Our upgrade kits are built for compatible electric bikes, featuring advanced motors, controllers, smart displays, throttles, and pedal assist systems for smoother acceleration and enhanced performance.

Choose the right upgrade for your riding style — from everyday city commuting with the BK750 Urban Upgrade Kit, to versatile trail performance with the BK1010 Off-Road Performance Kit, or maximum power and torque with the BK1510 Off-Road Power Kit.