Quick answer

The Eunorau Genesis is a hard-shell adult cycling helmet: an ABS outer over an EPS foam liner, 489 g ±10 g, in gunmetal grey. It comes in size M, which Eunorau lists as fitting head circumferences of 22–23.2 inches. Eunorau states it is intended for pedal cyclists and skaters. $39.99.

Who the Genesis Adult Helmet is for

Buy it if

  • Riders who need a straightforward, low-cost helmet to ride on day one
  • Heads measuring 22–23.2 inches around
  • Anyone adding a helmet to a bike order rather than making a second trip

Look elsewhere if

  • Your head measures outside 22–23.2 in — Eunorau lists only size M for this helmet
  • You want a MIPS or rotational-impact liner, which Eunorau does not list for the Genesis
  • You're riding a Class 3 or a dirt bike at speed, where a bicycle helmet is the wrong tool
Eunorau Genesis Adult Bike Helmet — ABS Shell, EPS Liner
Construction

ABS Shell, EPS Liner

Eunorau specifies an ABS hard outer shell over an EPS foam liner — the shell spreads the impact, the foam crushes to absorb it.

Eunorau Genesis Adult Bike Helmet — Size M, 22–23.2 in
Fit

Size M, 22–23.2 in

One size, listed by Eunorau as fitting head circumferences of 22 to 23.2 inches, with heat-press padding and a snug-fit adjustment. It weighs 489 g ±10 g.

Eunorau Genesis Adult Bike Helmet — For Cyclists and Skaters
Intended use

For Cyclists and Skaters

Eunorau states this helmet is only intended for pedal cyclists and skaters. It is not a motorcycle helmet and should not be used on the R1, R1+ or S1 dirt bikes.

The honest ledger

Green flags

  • ABS hard shell over EPS foam — the standard construction for impact absorption
  • 489 g ±10 g, a published weight rather than an estimate
  • Heat-press padding and a snug-fit adjustment, per Eunorau
  • Inexpensive enough that replacing it after any impact is easy

Red flags

  • One size only (M, 22–23.2 in) — there is no S or L option listed
  • Eunorau does not publish a MIPS or equivalent rotational-impact system for this helmet
  • Eunorau states it is intended for pedal cyclists and skaters — it is not motorcycle-rated, so it is the wrong helmet for the R1, R1+ or S1 dirt bikes
  • One colorway (gunmetal grey)
  • Any helmet must be replaced after a crash, even with no visible damage

Full specifications

Brand EUNORAU
Name Genesis
Color Gunmetal grey
Material ABS hard shell and EPS foam
Size Size M
Head Circumference 22-23.2in
Weight 489g±10g
Special Feature Heat press padding, hardshell construction, snug fit, and equestrian design Complies with GB 811-2022
Helmet Safety Standart This helmet is only intended for pedal cyclists and for users of EUNORAU e-bikes

Specifications as published by Eunorau at eunorau-ebike.com/products/genesis-adult-bike-helmet-for-men-women, verified 2026-08-13. We publish the manufacturer's figures as given and do not add specs Eunorau does not state. Found an error? Email support@redtailebikes.com.

Warranty

Component Coverage
Frame 10 years
Battery 24 months
Motor 24 months
Electrical components 24 months

What it covers

Manufacturing defects in Eunorau's original parts and components.

Eunorau states it continues to support the product after the warranty period as a manufacturer courtesy, and may ask only for shipping costs on replacement parts.

What you must do

  • You are the original purchaser — the warranty does not transfer
  • Proof of purchase (your Redtail order confirmation)
  • Product registration with Eunorau right after purchase
  • An e-bike check-up by a Eunorau specialist or dealer after the first year of use

Not covered

  • Ordinary wear and tear — brake pads, rotors, spokes, grips, shifters, brake cables and casings, tires and tubes, chains, chainrings, cassettes, transmission gears
  • Labor charges for part replacement
  • Corrosion from moisture or heat, and cosmetic deterioration of the finish
  • Damage from accident, abuse, stunt riding, racing, improper storage, or neglect

24-Month+ Limited Warranty issued by Eunorau Bikes, a Nevada corporation. Bikes bought for commercial use — rental fleets, delivery, sharing programs — get a 50% reduced warranty period. Full terms are published by Eunorau at eunorau-ebike.com/pages/warranty. Redtail coordinates warranty claims for bikes bought from us, so send it to us rather than to Eunorau: support@redtailebikes.com.

Manuals & documentation

In the box

Eunorau's spec sheet for this model lists a printed manual and a tool kit as included.

Any other document

Eunorau publishes display, controller, shock and accessory manuals across several files. Tell us which one you need and we will send you our copy, so you are not hunting through a supplier download hub.

support@redtailebikes.com

Eunorau publishes display and component manuals rather than a per-bike user manual. We link only the manual Eunorau lists against this exact model. Need a document we haven't linked? Email support@redtailebikes.com and we'll request it from Eunorau.

Shipping, returns & support

Shipping

Free shipping on every electric bike within the contiguous United States (lower 48).

Orders are prepared and dispatched within 1–3 business days. Most e-bikes arrive within 5–10 business days after dispatch.

Ships via UPS, FedEx, or LTL freight for larger items, with tracking emailed at dispatch. Freight deliveries may need a scheduled appointment and a signature.

On delivery

Inspect your shipment at delivery. Damage, defects, or incorrect items must be reported with photos within 48 hours.

If a bike arrives dead, won't charge, throws an error code, or has a faulty component, it is covered under the manufacturer warranty and Redtail coordinates repair or replacement remotely.

Returns

Change-of-mind returns accepted only on unopened, factory-sealed items requested within 72 hours of delivery, with a 15% restocking fee plus return shipping. Once a box is opened or a bike is ridden, it is no longer eligible.

Order cancellations carry a 3% transaction fee, because card-processing fees are non-recoverable.

Alaska, Hawaii, U.S. territories, P.O. boxes, and remote areas may incur extra charges or be excluded — contact us before ordering. Full terms: Shipping Policy · Refund & Return Policy.

Frequently asked questions

What size is the Eunorau Genesis helmet?

Eunorau lists a single size M, fitting head circumferences of 22 to 23.2 inches. Measure around your head just above the eyebrows before ordering — there is no S or L in this model.

Does the Genesis helmet have MIPS?

Eunorau does not list MIPS or any equivalent rotational-impact system for the Genesis, so we won't claim one. It is an ABS hard shell over EPS foam.

Can I wear this on an electric dirt bike?

No. Eunorau states the Genesis is only intended for pedal cyclists and skaters. The R1, R1+ and S1 are dirt bikes reaching far higher speeds and need a motorcycle-rated helmet.

When should I replace a bike helmet?

After any impact, even if you can't see damage — EPS foam crushes once and does not recover. Most manufacturers also recommend replacement every few years as the foam and straps age.

How does it ship, and can I return it?

Parts and accessories ship within the contiguous U.S. and may ship separately from a bike, which can take longer. Inspect on arrival — damage or the wrong item must be reported with photos within 48 hours. Unopened change-of-mind returns are accepted within 72 hours with a 15% restocking fee plus return shipping; used parts and accessories are not returnable.

Keep looking

All Eunorau e-bikes we stock  ·  Every e-bike brand at Redtail  ·  Shop electric bikes by type

How we verified this page. Every specification above was read from Eunorau's own published product page on 2026-08-13 and is reproduced as Eunorau states it. Where Eunorau does not publish a figure, this page leaves it out rather than estimating. Warranty terms are Eunorau's, quoted from their warranty policy; shipping and return terms are Redtail's own. Prices are USD and current at the date shown. Corrections: support@redtailebikes.com.

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