{"product_id":"smartravel-electric-bike-for-adults-fat-tire-ebike-with-1200w-motor-48v-17-5ah-removable-battery-up-to-28-mph-shimano7-speed-dual-shock-absorber-mountain-ebike","title":"Smartravel Explorer DK400 Fat Tire Electric Bike","description":"\u003cdiv class=\"st\"\u003e\n\u003cstyle\u003e.st{--ink:#111;--sub:#555;--line:#e8e8e8;--red:#c8102e;--good:#0a7d3f;font-family:inherit;color:var(--ink);line-height:1.55;max-width:var(--page-width,1900px);margin:0 auto;padding-inline:clamp(0.5rem,1vw,1rem);}\n.st *{box-sizing:border-box;}\n.st h2{font-size:1.9rem;font-weight:800;letter-spacing:-.02em;margin:3.2rem 0 1rem;}\n.st h3{font-size:1.2rem;font-weight:700;margin:0 0 .6rem;}\n.st-hero{width:100%;border-radius:20px;overflow:hidden;margin:0 0 .6rem;}\n.st-hero img{width:100%;height:auto;display:block;}\n.st-cap{font-size:.86rem;color:var(--sub);margin:0 0 1rem;font-style:italic;}\n.st-hook{font-size:1.5rem;font-weight:800;letter-spacing:-.02em;line-height:1.25;max-width:900px;margin:0 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.st-note p{margin:0 0 .7rem;}\n.st .st-own p:last-child,.st .st-note p:last-child{margin:0;}\n.st-faq .a{padding:0 1.5rem 1.15rem;color:var(--sub);margin:0;}\n.st-note{margin:2.2rem 0 0;padding:1.05rem 1.4rem;border:1px dashed var(--line);border-radius:14px;font-size:.88rem;color:var(--sub);}\n.st-bib{margin:1rem 0 0;padding-left:1.4rem;}\n.st-bib li{margin:.45rem 0;color:var(--sub);font-size:.93rem;}\n.st-addr{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;color:var(--sub);}\n.st-cite{font-weight:600;color:var(--ink);}\n.st-own{margin:1rem 0 0;padding:1.3rem 1.6rem;border:1px solid var(--line);border-left:4px solid #444;border-radius:14px;background:#fafafa;color:var(--sub);}\n@media(max-width:800px){.st-feat,.st-feat:nth-of-type(even){grid-template-columns:1fr;gap:1.2rem;padding:1.8rem 0;}.st-feat:nth-of-type(even) .st-feat__media{order:0;}.st-feat__txt h3{font-size:1.55rem;}.st-fitgrid{grid-template-columns:1fr;}.st-hook{font-size:1.25rem;}}\n.st-cover,.sp-cover{width:100%;margin:0 0 1.1rem;}.st-cover img,.sp-cover img{width:100%;height:auto;display:block;border-radius:18px;}\u003c\/style\u003e\n\u003cfigure class=\"st-cover\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1032\/8847\/1835\/files\/smartravel-electric-bike-for-adults-fat-tire-ebike-with-1200w-motor-48v-17-5ah-removable-battery-up-to-28-mph-shimano7-speed-dual-shock-absorber-mountain-ebike-inline-00-cover.webp?v=1790129282\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1032\/8847\/1835\/files\/smartravel-electric-bike-for-adults-fat-tire-ebike-with-1200w-motor-48v-17-5ah-removable-battery-up-to-28-mph-shimano7-speed-dual-shock-absorber-mountain-ebike-inline-00-cover.webp?v=1790129282\u0026amp;width=600 600w, https:\/\/cdn.shopify.com\/s\/files\/1\/1032\/8847\/1835\/files\/smartravel-electric-bike-for-adults-fat-tire-ebike-with-1200w-motor-48v-17-5ah-removable-battery-up-to-28-mph-shimano7-speed-dual-shock-absorber-mountain-ebike-inline-00-cover.webp?v=1790129282\u0026amp;width=900 900w, https:\/\/cdn.shopify.com\/s\/files\/1\/1032\/8847\/1835\/files\/smartravel-electric-bike-for-adults-fat-tire-ebike-with-1200w-motor-48v-17-5ah-removable-battery-up-to-28-mph-shimano7-speed-dual-shock-absorber-mountain-ebike-inline-00-cover.webp?v=1790129282\u0026amp;width=1200 1200w, https:\/\/cdn.shopify.com\/s\/files\/1\/1032\/8847\/1835\/files\/smartravel-electric-bike-for-adults-fat-tire-ebike-with-1200w-motor-48v-17-5ah-removable-battery-up-to-28-mph-shimano7-speed-dual-shock-absorber-mountain-ebike-inline-00-cover.webp?v=1790129282 1600w\" sizes=\"(max-width: 800px) 92vw, 900px\" alt=\"The Smartravel Explorer DK400 parked on a street, photographed for Smartravel's own listing, headlined “Dual suspension, not just a front fork”, 350 lbs payload capacity\" width=\"1600\" height=\"1067\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/figure\u003e\n\u003cdiv class=\"st-hero\"\u003e\u003cimg loading=\"eager\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1032\/8847\/1835\/files\/IMG_7589_1.jpg?v=1790057611\" alt=\"Smartravel Explorer DK400 Fat Tire Electric Bike\" width=\"1600\" height=\"1200\"\u003e\u003c\/div\u003e\n\u003cp class=\"st-cap\"\u003eThe Smartravel Explorer DK400, photographed for Smartravel's own product listing.\u003c\/p\u003e\n\u003cp class=\"st-hook\"\u003eA fat-tire moped-style commuter with real front-and-rear suspension, under $700.\u003c\/p\u003e\n\u003cdiv class=\"st-answer\"\u003e\n\u003cspan class=\"q\"\u003eQuick answer\u003c\/span\u003e\u003cp\u003eA $699.99 fat-tire commuter with a 1000W peak motor, dual suspension and a removable 48V battery good for up to 28 mph. Free US shipping, a Redtail-handled warranty claim, and Shop Pay financing at checkout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"st-ctarow\"\u003e\u003ca class=\"st-cta\" href=\"\/cart\/add?id=54012849357083\u0026amp;quantity=1\"\u003eAdd DK400 to cart\u003c\/a\u003e\u003c\/p\u003e\n\u003cul class=\"st-stats\"\u003e\n\u003cli\u003e\n\u003cb\u003e28 MPH\u003c\/b\u003e\u003cspan\u003eTop speed\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e1000W\u003c\/b\u003e\u003cspan\u003ePeak motor\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e873.6 Wh\u003c\/b\u003e\u003cspan\u003eRemovable battery\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e350 lbs\u003c\/b\u003e\u003cspan\u003ePayload capacity\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy the DK400\u003c\/h2\u003e\n\u003csection class=\"st-feat\"\u003e\n\u003cdiv class=\"st-feat__media\"\u003e\u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1032\/8847\/1835\/files\/DK401_05.jpg?v=1790057598\" alt=\"Smartravel Explorer DK400 Fat Tire Electric Bike — Dual suspension, not just a front fork\" width=\"1600\" height=\"1200\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"st-feat__txt\"\u003e\n\u003cspan class=\"st-kick\"\u003eRide comfort\u003c\/span\u003e\u003ch3\u003eDual suspension, not just a front fork\u003c\/h3\u003e\n\u003cp\u003eA front and rear shock absorber pair with 20\" x 4.0\" fat tires, built for cracked pavement, gravel and light trail rather than smooth roads only.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"st-feat\"\u003e\n\u003cdiv class=\"st-feat__media\"\u003e\u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1032\/8847\/1835\/files\/IMG_7403.jpg?v=1790057607\" alt=\"Smartravel Explorer DK400 Fat Tire Electric Bike — A removable pack you can charge off the bike\" width=\"1600\" height=\"1200\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"st-feat__txt\"\u003e\n\u003cspan class=\"st-kick\"\u003eBattery\u003c\/span\u003e\u003ch3\u003eA removable pack you can charge off the bike\u003c\/h3\u003e\n\u003cp\u003eThe 48V lithium pack lifts out of the frame and charges in about 5–6 hours on the included charger. Smartravel's spec list rates it at 18.2Ah, 873.6 Wh.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"st-feat\"\u003e\n\u003cdiv class=\"st-feat__media\"\u003e\u003cimg loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1032\/8847\/1835\/files\/IMG_7586.jpg?v=1790057617\" alt=\"Smartravel Explorer DK400 Fat Tire Electric Bike — Turn-signal lighting and a rear rack, standard\" width=\"1600\" height=\"1200\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"st-feat__txt\"\u003e\n\u003cspan class=\"st-kick\"\u003eVisibility\u003c\/span\u003e\u003ch3\u003eTurn-signal lighting and a rear rack, standard\u003c\/h3\u003e\n\u003cp\u003eLED lighting includes turn signals, not just a headlight and taillight, and the bike ships with an alloy kickstand and a rear rack included — neither is an add-on here.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003ch3\u003eWhat stands out on the spec sheet\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e873.6 Wh of battery capacity at a sub-$700 price point\u003c\/li\u003e\n\u003cli\u003eDual front and rear shock absorbers, not a front fork alone\u003c\/li\u003e\n\u003cli\u003eRemovable battery — charge it off the bike\u003c\/li\u003e\n\u003cli\u003eRear rack and turn-signal lighting included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy buy it from Redtail\u003c\/h2\u003e\n\u003cdiv class=\"st-why\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eThe price\u003c\/h3\u003e\n\u003cp class=\"st-big\"\u003e$699.99\u003c\/p\u003e\n\u003cp\u003eMatched to Smartravel’s own sale price for the DK400, checked 2026-09-24. Smartravel’s regular price is $1,599.99.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003ePay over time\u003c\/h3\u003e\n\u003cp class=\"st-big\"\u003e4 interest-free payments\u003c\/p\u003e\n\u003cp\u003eWith Shop Pay, the $699.99 DK400 could be split into 4 interest-free payments of $175.00 every 2 weeks.\u003c\/p\u003e\n\u003cp class=\"st-src\"\u003eRates from 0-36% APR. Payment options through Shop Pay Installments are subject to an eligibility check and are provided by these lending partners: affirm.com\/lenders. Options depend on your purchase amount, and a down payment may be required. State notices to consumers: affirm.com\/licenses.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eFree US shipping\u003c\/h3\u003e\n\u003cp class=\"st-big\"\u003e$0\u003c\/p\u003e\n\u003cp\u003eThe DK400 is the least expensive of the Smartravel fat-tire bikes we carry, and it still ships free in the lower 48 — no freight surcharge for the wide tires or the dual suspension.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eWe file the warranty claim\u003c\/h3\u003e\n\u003cp class=\"st-big\"\u003eDone for you\u003c\/p\u003e\n\u003cp\u003eSmartravel's 12-month term names the motor, battery, controller and charger — on the DK400 that includes the removable pack. If one of them fails, send photos and your order number and we file the claim with Smartravel for you.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eUS support\u003c\/h3\u003e\n\u003cp class=\"st-big\"\u003eReal answers\u003c\/p\u003e\n\u003cp\u003eA US-based team can tell you what this bike's published 28 mph rating means for the paths you actually ride, before you spend the money.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"st-ctarow\"\u003e\u003ca class=\"st-cta\" href=\"\/cart\/add?id=54012849357083\u0026amp;quantity=1\"\u003eAdd DK400 to cart\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"st-src\" style=\"text-align:center\"\u003eNot sure it fits your height, your ride or the rules where you live? Email \u003ca href=\"mailto:support@redtailebikes.com\"\u003esupport@redtailebikes.com\u003c\/a\u003e before you order and we will confirm it in writing — then buy with the button above.\u003c\/p\u003e\n\u003ch2\u003eWho the DK400 fits\u003c\/h2\u003e\n\u003cp\u003eThe DK400 suits a rider about 5'3\" to 5'9\" who wants fat tires and suspension at both ends for rough pavement and gravel, at $699.99 — and who will wheel a 68.3 lb bike rather than carry it.\u003c\/p\u003e\n\u003cdiv class=\"st-fitgrid\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eIt’s your bike if\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRiders who want a fat-tire commuter with shock absorbers front and rear\u003c\/li\u003e\n\u003cli\u003eRiders who want to charge indoors — the pack lifts out of the frame\u003c\/li\u003e\n\u003cli\u003eRiders about 5'3\" to 5'9\", the height range on Smartravel's sizing chart for this frame\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eWant something different? We stock it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIf you want GPS tracking and app control on a fat-tire bike — the \u003ca href=\"\/products\/smartravel-gps-electric-bike-for-adults-ebike-with-real-time-positioning-and-app-control-1200w-48v-20ah-up-to-32-mph-simano7-speed-fat-tire-electric-bicycle\"\u003eRaptor ST202\u003c\/a\u003e is built for that from the spec sheet up.\u003c\/li\u003e\n\u003cli\u003eIf you want a lighter, lower-priced commuter without fat tires — the \u003ca href=\"\/products\/zoonlai-urbanx\"\u003eZOONLAI UrbanX\u003c\/a\u003e is a 500W step-through at roughly half the price.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat you get with the order\u003c\/h2\u003e\n\u003cdiv class=\"st-cards\"\u003e\n\u003cdiv\u003e\n\u003ch3\u003eShipping\u003c\/h3\u003e\n\u003cp\u003eFree shipping on every electric bike within the contiguous United States (lower 48).\u003c\/p\u003e\n\u003cp\u003eOrders are prepared and dispatched within 1–3 business days of confirmation. Most e-bikes arrive within 5–10 business days after dispatch, depending on location.\u003c\/p\u003e\n\u003cp\u003eAlaska, Hawaii, U.S. territories, P.O. boxes and remote routes are quoted case by case — send us your ZIP before you order and we will confirm the route and any extra cost in writing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eDelivery protection\u003c\/h3\u003e\n\u003cp\u003eInspect your shipment at delivery. Damage, defects, or incorrect items must be reported with photos within 48 hours; claims submitted after this window are not accepted.\u003c\/p\u003e\n\u003cp\u003eBikes with power, charging, or component issues are covered under the manufacturer warranty; Redtail coordinates repair or replacement remotely at no cost to the customer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eReturns\u003c\/h3\u003e\n\u003cp\u003eAnything damaged or defective on arrival: send photos within 48 hours and we take it from there, at no cost to you. Change of mind on an unopened, factory-sealed bike: start the return within 72 hours of delivery and the freight in was free either way. Full terms: \u003ca href=\"https:\/\/redtailebikes.com\/pages\/refund-policy\"\u003eRedtail Refund \u0026amp; Return Policy\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"st-src\"\u003eAll of it is handled by our own US team — you place the order, we track it in, and if anything is wrong we deal with Smartravel on your behalf. Full terms: \u003ca href=\"https:\/\/redtailebikes.com\/pages\/shipping-policy\"\u003eRedtail Shipping Policy\u003c\/a\u003e · \u003ca href=\"https:\/\/redtailebikes.com\/pages\/refund-policy\"\u003eRedtail Refund \u0026amp; Return Policy\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eOwning it in your state\u003c\/h2\u003e\n\u003cdiv class=\"st-own\"\u003e\n\u003cp\u003eFederal law defines a “low-speed electric bicycle” as a vehicle with a motor under 750 watts and a maximum motor-powered speed under 20 mph (15 U.S.C. § 2085(b)). The DK400's motor is published at 750W sustained and 1000W peak, not under that 750-watt line, with a 28 mph top speed, so state law — not the federal low-speed-bicycle carve-out — governs where and how you can ride it.\u003c\/p\u003e\n\u003cp\u003eThe detail for where you ride is in \u003ca href=\"https:\/\/redtailebikes.com\/blogs\/journal\/electric-bike-laws\"\u003eour state-by-state e-bike law guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHow the DK400 compares\u003c\/h2\u003e\n\u003cp class=\"st-src\"\u003eEvery figure is Smartravel’s own published spec, read from each model’s archived product page on 2026-09-24.\u003c\/p\u003e\n\u003cdiv class=\"st-tablewrap st-comp\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDK400\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/smartravel-gps-electric-bike-for-adults-ebike-with-real-time-positioning-and-app-control-1200w-48v-20ah-up-to-32-mph-simano7-speed-fat-tire-electric-bicycle\"\u003eRaptor ST202\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zoonlai-urbanx\"\u003eZOONLAI UrbanX\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd data-label=\"DK400\"\u003e$699.99\u003c\/td\u003e\n\u003ctd data-label=\"Raptor ST202\"\u003e$1,249.99\u003c\/td\u003e\n\u003ctd data-label=\"ZOONLAI UrbanX\"\u003e$339.99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd data-label=\"DK400\"\u003e1000W peak, 750W sustained (also described as 1200W-class)\u003c\/td\u003e\n\u003ctd data-label=\"Raptor ST202\"\u003e1500W peak, 1200W sustained, rear geared hub\u003c\/td\u003e\n\u003ctd data-label=\"ZOONLAI UrbanX\"\u003e500W (stated as both rated and peak power)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd data-label=\"DK400\"\u003e48V, 18.2Ah, 873.6 Wh\u003c\/td\u003e\n\u003ctd data-label=\"Raptor ST202\"\u003e48V, 27Ah, 1,296 Wh\u003c\/td\u003e\n\u003ctd data-label=\"ZOONLAI UrbanX\"\u003e48V, 10.5Ah, 504 Wh, integrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop speed\u003c\/td\u003e\n\u003ctd data-label=\"DK400\"\u003e28 mph\u003c\/td\u003e\n\u003ctd data-label=\"Raptor ST202\"\u003e32+ mph\u003c\/td\u003e\n\u003ctd data-label=\"ZOONLAI UrbanX\"\u003e24 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrakes\u003c\/td\u003e\n\u003ctd data-label=\"DK400\"\u003eDual mechanical disc\u003c\/td\u003e\n\u003ctd data-label=\"Raptor ST202\"\u003eHydraulic disc, front and rear\u003c\/td\u003e\n\u003ctd data-label=\"ZOONLAI UrbanX\"\u003eMechanical disc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTires\u003c\/td\u003e\n\u003ctd data-label=\"DK400\"\u003e20\" x 4.0\" fat tire\u003c\/td\u003e\n\u003ctd data-label=\"Raptor ST202\"\u003e20\" x 4.0\" fat tire\u003c\/td\u003e\n\u003ctd data-label=\"ZOONLAI UrbanX\"\u003e24\" x 2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload capacity\u003c\/td\u003e\n\u003ctd data-label=\"DK400\"\u003e350 lbs\u003c\/td\u003e\n\u003ctd data-label=\"Raptor ST202\"\u003e350 lbs, rider and cargo combined\u003c\/td\u003e\n\u003ctd data-label=\"ZOONLAI UrbanX\"\u003e330 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2\u003eFull specifications\u003c\/h2\u003e\n\u003cdiv class=\"st-tablewrap st-spec\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003e1000W peak, 750W sustained (also described as 1200W-class)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque\u003c\/td\u003e\n\u003ctd\u003e86 N·m (also stated as 80 N·m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003e48V, 18.2Ah, 873.6 Wh (also stated as 17.5Ah and 15Ah)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop speed\u003c\/td\u003e\n\u003ctd\u003e28 mph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePedal-assist range\u003c\/td\u003e\n\u003ctd\u003e45+ miles (also stated as 40 and 50+ miles)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrottle-only range\u003c\/td\u003e\n\u003ctd\u003e26+ miles (also stated as 28 and 30+ miles)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharge time\u003c\/td\u003e\n\u003ctd\u003e5–6 hours (also stated as 5 hours)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e68.3 lbs, 31.0 kg (a 44 kg shipping weight is also listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload capacity\u003c\/td\u003e\n\u003ctd\u003e350 lbs (Smartravel's sizing chart gives 330 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrakes\u003c\/td\u003e\n\u003ctd\u003eDual mechanical disc (also stated as hydraulic elsewhere on the same page)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eDual front and rear shock absorber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame\u003c\/td\u003e\n\u003ctd\u003eCarbon-steel, removable battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTires\u003c\/td\u003e\n\u003ctd\u003e20\" x 4.0\" fat tire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrivetrain\u003c\/td\u003e\n\u003ctd\u003eShimano 7-speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eColor LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLights\u003c\/td\u003e\n\u003ctd\u003eLED, with turn signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eAlloy kickstand, rear rack, cycling bag, inflator, charger, user manual (Smartravel's own packing list)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat height\u003c\/td\u003e\n\u003ctd\u003e33 inches (Smartravel's sizing chart gives 32.3 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRider height\u003c\/td\u003e\n\u003ctd\u003e5'3\" to 5'9\", per Smartravel's sizing chart\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety standard\u003c\/td\u003e\n\u003ctd\u003eSmartravel states it is safety certified in accordance with UL 2849\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"st-src\"\u003eSpecifications as published by Smartravel at \u003cspan class=\"st-addr\"\u003ewww.smartravelor.com\/products\/smartravel-electric-bike-for-adults-fat-tire-ebike-with-1200w-motor-48v-17-5ah-removable-battery-up-to-28-mph-shimano7-speed-dual-shock-absorber-mountain-ebike\u003c\/span\u003e, archived 2026-09-24. Every figure is the manufacturer’s own, verified against that page.\u003c\/p\u003e\n\u003ch3\u003eHow to read this spec sheet\u003c\/h3\u003e\n\u003cp\u003eSmartravel’s pages give more than one figure for some specs on this model; the list below gives both, and the one the table above uses.\u003c\/p\u003e\n\u003cdiv class=\"st-tablewrap\" style=\"padding:1rem 1.4rem\"\u003e\u003cul\u003e\n\u003cli\u003eMotor: Smartravel's headline figures give 1000W peak; its spec list gives 750W sustained and 1000W peak; its product description calls the motor 1200W-class.\u003c\/li\u003e\n\u003cli\u003eTorque: 86 N·m in Smartravel's feature copy, 80 N·m in its spec list.\u003c\/li\u003e\n\u003cli\u003eBattery: 48V 18.2Ah (873.6 Wh) in Smartravel's headline figures and spec list, 48V 15Ah in its FAQ and battery image, and 17.5Ah in the page's web address. The table uses 18.2Ah.\u003c\/li\u003e\n\u003cli\u003eRange: Smartravel's feature copy gives 45+ miles with pedal assist and 26+ miles on the throttle; its riding-modes image gives 40 and 28 miles, and its battery image 24 miles; its FAQ gives 50–80 miles on a charge in one answer and 40–60 miles in another; 50+ and 30+ miles appear elsewhere on its site. The table uses the feature-copy figures.\u003c\/li\u003e\n\u003cli\u003eWeight and load: Smartravel's spec list gives 68.3 lbs (31.0 kg) and a 350 lb maximum load; its sizing chart gives 68 lbs and 330 lbs; a 44 kg shipping weight is also listed.\u003c\/li\u003e\n\u003cli\u003eFit: Smartravel's FAQ gives a 33-inch seat height; its sizing chart gives 32.3 inches and a 5'3\" to 5'9\" rider height.\u003c\/li\u003e\n\u003cli\u003eBrakes: ‘dual mechanical disc’ in Smartravel's spec list, ‘hydraulic’ in its feature copy. The table prints both.\u003c\/li\u003e\n\u003cli\u003eWarranty: Smartravel's warranty section states a 12-month warranty, and a help block on the same page mentions a 2-year warranty for each e-bike. 12 months is the term this page uses.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003ch2\u003eStraight answers before you order\u003c\/h2\u003e\n\u003cdiv class=\"st-obj\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"st-fact\"\u003eSmartravel gives this motor as 1000W peak and 750W sustained, and its product description calls it 1200W-class.\u003c\/p\u003e\n\u003cp class=\"st-res\"\u003ePlan around 1000W peak: it is the rating Smartravel prints in its headline figures and its spec list, and the table above carries every figure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"st-fact\"\u003eSmartravel gives the DK400's battery as 48V 18.2Ah (873.6 Wh) in its headline figures and spec list, and as 15Ah and 17.5Ah elsewhere.\u003c\/p\u003e\n\u003cp class=\"st-res\"\u003eThe table above uses 18.2Ah, the figure in Smartravel's spec list, and prints the others beside it. If capacity decides your purchase, email us and we will confirm it with Smartravel in writing before you order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"st-fact\"\u003eSmartravel lists the brakes as dual mechanical disc in its spec list and hydraulic in its feature copy.\u003c\/p\u003e\n\u003cp class=\"st-res\"\u003eIf brake type decides it, email us before you order and we will confirm it with Smartravel in writing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eManuals \u0026amp; assembly\u003c\/h2\u003e\n\u003cp\u003eSmartravel publishes an owner’s manual and an assembly video for its models on \u003cspan class=\"st-cite\"\u003eSmartravel's owner's-manual and assembly-video page\u003c\/span\u003e. Email us and we will send you the current file for your bike directly, along with a plain answer on what is left to put together out of the box — worth asking before you order if that is what decides it.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdiv class=\"st-faq\"\u003e\n\u003cdetails open\u003e\u003csummary\u003e\u003ch3\u003eWhat is the DK400's real battery capacity?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp class=\"a\"\u003eSmartravel rates the DK400's removable 48V pack at 18.2Ah (873.6 Wh) in its headline figures and spec list; its FAQ and battery image say 15Ah, and its web address 17.5Ah. Plan around 18.2Ah. It charges in 5–6 hours on the included charger.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eDoes the DK400 have hydraulic or mechanical disc brakes?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp class=\"a\"\u003eSmartravel's page gives both: ‘dual mechanical disc’ in its spec list and ‘hydraulic’ in its feature copy. If brake type decides your purchase, email us before you order and we will confirm it with Smartravel in writing.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eIs the DK400 UL certified?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp class=\"a\"\u003eSmartravel states on its product page that the DK400 is safety certified in accordance with UL 2849. If you need the certificate details before you order, email us and we will get them from Smartravel in writing.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eWhat is the DK400's top speed and is it legal to ride on the street?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp class=\"a\"\u003eSmartravel publishes a 28 mph top speed and a motor rated 750W sustained and 1000W peak. The federal low-speed electric bicycle has a motor under 750W and a motor-only top speed under 20 mph (15 U.S.C. § 2085(b)), so your state's e-bike law governs where and how you can ride the DK400 — check the rules for where you live before you order.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eCan I charge a second DK400 battery separately?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp class=\"a\"\u003eYes — the battery lifts out of the frame, so you can charge it off the bike, and Smartravel sells a standalone DK400 replacement pack. Ask us about a spare before you order.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003e\u003ch3\u003eHow is the DK400 different from the Smartravel Rocket ST201F?\u003c\/h3\u003e\u003c\/summary\u003e\u003cp class=\"a\"\u003eThe DK400 is the lower-priced fat-tire model, with a 1000W peak motor and a 28 mph top speed for $699.99. The Rocket ST201F starts at a higher price with a larger battery option and a published 32 mph top speed.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cp class=\"st-ctarow\"\u003e\u003ca class=\"st-cta\" href=\"\/cart\/54012849357083:1\"\u003eBuy the DK400 now\u003c\/a\u003e\u003cspan class=\"st-ctasub\"\u003eOne click, straight to Shop Pay checkout — 4 interest-free payments available.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eKeep looking\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/smartravel\"\u003eEvery Smartravel bike at Redtail\u003c\/a\u003e  ·  \u003ca href=\"\/products\/smartravel-gps-electric-bike-for-adults-ebike-with-real-time-positioning-and-app-control-1200w-48v-20ah-up-to-32-mph-simano7-speed-fat-tire-electric-bicycle\"\u003eCompare the Raptor ST202\u003c\/a\u003e  ·  \u003ca href=\"\/products\/zoonlai-urbanx\"\u003eCompare the ZOONLAI UrbanX\u003c\/a\u003e  ·  \u003ca href=\"\/blogs\/journal\/electric-bike-laws\"\u003eE-bike laws in your state\u003c\/a\u003e  ·  \u003ca href=\"\/pages\/shop-ebikes\"\u003eShop electric bikes by type\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003ePrimary sources\u003c\/h2\u003e\n\u003col class=\"st-bib\"\u003e\n\u003cli\u003eSmartravel product page: Smartravel Explorer DK400 Fat Tire Electric Bike \u003cspan class=\"st-addr\"\u003ewww.smartravelor.com\/products\/smartravel-electric-bike-for-adults-fat-tire-ebike-with-1200w-motor-48v-17-5ah-removable-battery-up-to-28-mph-shimano7-speed-dual-shock-absorber-mountain-ebike\u003c\/span\u003e. Retrieved 2026-09-24.\u003c\/li\u003e\n\u003cli\u003eSmartravel Return \u0026amp; Warranty Policy \u003cspan class=\"st-addr\"\u003ewww.smartravelor.com\/pages\/return-policy\u003c\/span\u003e. Retrieved 2026-09-22.\u003c\/li\u003e\n\u003cli\u003eSmartravel Shipping Policy \u003cspan class=\"st-addr\"\u003ewww.smartravelor.com\/pages\/shipping-policy\u003c\/span\u003e. Retrieved 2026-09-22.\u003c\/li\u003e\n\u003cli\u003eSmartravel's owner's-manual and assembly-video page \u003cspan class=\"st-addr\"\u003ewww.smartravelor.com\/pages\/download-my-owners-manual-or-view-assembly-video\u003c\/span\u003e. Retrieved 2026-09-22.\u003c\/li\u003e\n\u003cli\u003e15 U.S.C. § 2085, Low-speed electric bicycles \u003cspan class=\"st-addr\"\u003euscode.house.gov — 15 U.S.C. § 2085\u003c\/span\u003e. Retrieved 2026-09-22.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/redtailebikes.com\/pages\/shipping-policy\"\u003eRedtail Shipping Policy\u003c\/a\u003e. Retrieved 2026-09-22.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/redtailebikes.com\/pages\/refund-policy\"\u003eRedtail Refund \u0026amp; Return Policy\u003c\/a\u003e. Retrieved 2026-09-22.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/redtailebikes.com\/blogs\/journal\/electric-bike-laws\"\u003eour state-by-state e-bike law guide\u003c\/a\u003e. Retrieved 2026-09-22.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv class=\"st-note\"\u003e\n\u003cp\u003e\u003cstrong\u003eHow we verified this page.\u003c\/strong\u003e Every specification above was read from an archived copy of Smartravel’s own product page (\u003cspan class=\"st-addr\"\u003ewww.smartravelor.com\/products\/smartravel-electric-bike-for-adults-fat-tire-ebike-with-1200w-motor-48v-17-5ah-removable-battery-up-to-28-mph-shimano7-speed-dual-shock-absorber-mountain-ebike\u003c\/span\u003e), retrieved 2026-09-24, with the price cross-checked the same day against Smartravel’s official catalog feed.\u003c\/p\u003e\n\u003cp\u003eEvery figure is the manufacturer’s own rating, verified against its pages; where those pages give two figures for one spec, the \"How to read this spec sheet\" section prints both. UL\/TUV statements are reported as Smartravel’s own claim, never asserted as independently verified. Prices are USD, current at the date shown. Corrections: \u003ca href=\"mailto:support@redtailebikes.com\"\u003esupport@redtailebikes.com\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Smartravel","offers":[{"title":"Default Title","offer_id":54012849357083,"sku":"DK401","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1032\/8847\/1835\/files\/IMG_7403.jpg?v=1790057607","url":"https:\/\/redtailebikes.com\/products\/smartravel-electric-bike-for-adults-fat-tire-ebike-with-1200w-motor-48v-17-5ah-removable-battery-up-to-28-mph-shimano7-speed-dual-shock-absorber-mountain-ebike","provider":"Redtail Ebikes","version":"1.0","type":"link"}