For riders who want compact power and smart torque sensing, the CYC mid drive kit delivers on all fronts. Lightweight and efficient, it fits well on most frames and keeps your ride balanced. Golden Motor offers reliable kits that are ideal for commuting, trail riding, or daily city adventures with smooth pedal integration. http://goldenmotor.bike/products/cyc-x1-pro-gen-4-5000w-mid-drive-conversion-kit