2026 B1 Rolling Chassis w/Motor

The new 2026 B1 Rolling Chassis with Motor is a major upgrade to the popular B1 platform. Designed for the DIY modder, this combo allows for maximum customization. Add your preferred non-Bomb Moto controller, battery and throttle to our rolling chassis and motor for a build that's totally yours. The 2026 B1 Rolling Chassis with Motor comes with a special QS 120 45H motor developed in collaboration with Bomb Moto and QS Motor. Engineered for performance, this motor features the highest RPM rating on any QS motor and can comfortably handle 100 peak amps, delivering exceptional torque and power. Using the B1 chassis/motor platform, builders can push their custom setups past 50+ mph, unlocking thrilling speed and unreal torque. Even at a modest tune of 70 amps, the B1 can hit 45 mph and peak at 8,500 RPM, making it one of the most versatile and exciting platforms in the electric pit bike category.