Serious electric performance for real-world riding.
The Stomp Haywire is a full-size electric dirt bike engineered for technical trails, demanding climbs, jumps, wheelies, and high-performance off-road riding. Its hairpin-winding PMSM motor produces 21 kW of peak power, 28 horsepower, and an impressive 720 N·m of rear-wheel torque.
A quick-change 74V 50Ah lithium battery provides up to 80 miles of range under controlled conditions. Four selectable riding modes, regenerative braking, reverse, fully adjustable Fast Ace suspension, and a full-size 21/18-inch wheel setup deliver confident control across challenging terrain.
Performance Highlights
- 65 MPH Top Speed
- 21 kW Peak Motor Power
- 28 HP Maximum Output
- 720 N·m Rear-Wheel Torque
- 74V 50Ah Quick-Change Battery
- Up to 80 Miles Maximum Range
- Four Riding Modes
- 21/18-Inch Wheel Setup
Performance
- Top Speed: Up to 65 MPH
- Peak Motor Power: 21 kW
- Maximum Output: 28 horsepower
- Maximum Rear-Wheel Torque: 720 N·m
- Maximum Range: Up to 80 miles at 25 MPH
- Riding Modes: Eco, Trail, Sport, and Danger
- Eco Mode Speed: Up to 36 MPH
- Trail Mode Speed: Up to 50 MPH
- Sport Mode Speed: Up to 65 MPH
- Danger Mode Speed: Up to 65 MPH
- Additional Functions: Regenerative braking and reverse
Motor and Drivetrain
- Motor Type: PMSM hairpin-winding motor
- Final Drive: 520 chain
- Chain Length: 114 links
- Power Delivery: Gearbox and chain drive
- Water Resistance: IP66/IP67-rated components
- Operation: Near-silent electric power delivery
Battery and Charging
- Battery Voltage: 74V
- Battery Capacity: 50Ah
- Battery Type: NCM lithium-ion
- Battery Design: Quick-change and removable
- Charging Time: Approximately 5.5 hours
- Input Compatibility: 110V and 220V AC
Suspension
- Front Suspension: Fully adjustable Fast Ace fork
- Front Fork Size: 880 mm
- Front Suspension Travel: 245 mm
- Front Adjustment: Compression and rebound
- Rear Suspension: Fully adjustable Fast Ace shock
- Rear Shock Size: 442 mm
- Rear Suspension Travel: 81 mm
- Rear Suspension Design: Linkage system
Brakes and Wheels
- Front Brake: Two-piston hydraulic caliper
- Front Brake Rotor: 270 mm
- Rear Brake: Two-piston hydraulic caliper
- Rear Brake Rotor: 240 mm
- Front Wheel: 21 inches
- Rear Wheel: 18 inches
- Front Tire: 80/100-21 soft-compound enduro
- Rear Tire: 110/100-18 soft-compound enduro
- Rim Locks: Front and rear
Frame and Measurements
- Frame Type: Dual-wing cage frame
- Frame Material: Chromoly steel
- Swingarm: 575 mm aluminum alloy
- Motor Protection: Aluminum bash guard
- Dry Weight: Approximately 242.5 lbs
- Seat Height: Approximately 36.2 inches
- Ground Clearance: Approximately 13.3 inches
- Wheelbase: Approximately 57 inches
- Overall Dimensions: 84.3 × 32.3 × 48.4 inches
- Available Colors: Black and White
Electrical Features
- Display: Full-color TFT
- Charging Port: USB-C
- Headlight: Integrated LED
- Brake Light: Integrated LED
- Turn Signals: Integrated LED indicators
- License-Plate Light: Included
Warranty
- Manufacturer Warranty: 12 months
The Stomp Haywire is a high-powered electric dirt bike intended primarily for experienced riders and off-road use. Maximum speed and range vary according to rider weight, terrain, temperature, riding mode, battery condition, and other operating factors.
