Climb Steeper
160Nm of torque takes on technical climbs and loose access roads.
160Nm torqueMid-drive · Full suspension · Dual-battery ready
1,000W of mid-drive power, 160Nm of torque, full suspension, and optional dual-battery range—built for the terrain beyond the pavement.
One bike. No easy route required.
Mid-drive power for the deep end.
The FAT-HS combines a Bafang M615 mid-drive motor, front and rear suspension, 26 × 4-inch fat tires, and an optional second battery for long, rough rides.
Buy one FAT-HS, get one free
The ride, not just the spec sheet
Every component is there to change what you can climb, how far you can go, and what you can bring with you.
160Nm of torque takes on technical climbs and loose access roads.
160Nm torqueOptional dual batteries deliver the range for deeper routes and longer days.
Up to 80 miles*Full suspension smooths roots, ruts, washboard, and broken ground.
Front + rearBuilt for hunting gear, camping equipment, and the equipment your route demands.
Adventure readyMid-drive advantage
A hub motor pushes from the wheel. The FAT-HS mid-drive works through the bike’s drivetrain—changing how power, balance, and traction feel on demanding terrain.
The same 1000W feels dramatically different when it is delivered through a mid-drive motor. More torque. Better balance. Greater control.
Built for
Quiet.
Powerful.
Go where trucks cannot.
160Nm of torque.
Technical climbing.
Confident control.
Pack more.
Ride farther.
Explore deeper.
26 × 4-inch fat tires.
A wide contact patch.
Maximum traction.
Bafang M615 mid-drive
1,000W nominal · 160Nm torque
A mid-drive motor sends power through the bike’s gears, giving the FAT-HS mechanical leverage for steep climbs, loose terrain, and loaded rides.
Full suspension
Front fork + rear shock
Front and rear suspension work together to absorb roots, washboard, and broken ground while helping both tires stay composed.
Dual-battery ready
48V 15Ah + optional second 15Ah
Use the removable main battery for everyday rides or add the optional second battery when the route demands more range.
All-terrain contact
26 × 4-inch Kenda fat tires
A wide tire footprint adds grip and flotation across snow, sand, mud, gravel, and rough forest roads.
Full specification
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| Specification | FAT-HS |
|---|---|
| Motor | 48V 1000W Bafang M615 mid-drive, 160Nm |
| Battery | 48V 15Ah standard + optional second 48V 15Ah |
| Range | Up to 80 miles with optional second battery |
| Maximum speed | 28 mph |
| Suspension | RST GUIDE 75mm fork + KS rear shock |
| Tires | Kenda 26 × 4.0-inch fat tires |
| Brakes | 180mm hydraulic disc brakes |
| Drivetrain | 9-speed Shimano / Sunrace |
| Payload | 300 lb |
| Recommended rider height | 5'3"–6'4" |
Watch & learn
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Almost there
Select the 17-inch or 19-inch frame for your height and riding position.
Ride with the standard battery or add the optional second battery for extended range.
Pay in full or choose an available installment option at checkout.
Buy with confidence
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FAT-HS includes a two-year limited warranty. Add your exact coverage details.
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Good to know
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Gear up
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Ready for the next trail?
Choose your frame, configure your battery setup, and build the FAT-HS for your next trail.