BK15M 4.0 Electric Bike
Every Redtail e-bike includes a free 1-month warranty plus manufacturer coverage. Add the Redtail Care Package for dedicated support from our US-based team — remote diagnostics, manufacturer claim handling & return-shipping coordination — for up to 5 years.
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A support & service plan — it does not cover physical repairs or replacement parts. See full Care Package details →
The Hitway BK15M 4.0 turns up the grip with full 26×4.0 fat tires on a lightweight carbon-steel frame. A 750W brushless motor hits 20 mph (32 km/h), and a waterproof, removable battery keeps the range long for commuting or off-road adventures.
Key specs
- Motor: 750W brushless, up to 20 mph (32 km/h)
- Battery: 48V 15Ah removable, IP54-rated, 6–7h charge
- Range: ~34–75 mi (55–120 km) with pedal assist
- Tires: 26" × 4.0 anti-slip fat tires
- Drivetrain: Shimano 7-speed; front shock fork
- Frame: lightweight carbon steel
Extra-wide tires and a front suspension fork make the BK15M 4.0 a planted, comfortable ride over sand, snow, gravel and city streets.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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At Redtail eBikes, we go beyond just selling ebikes. We're dedicated to offering the best customer service and support to ensure you're fully satisfied. Your happiness is our priority, and we're here to make your experience as smooth as your ride.
