⚡ Quick Features
Huge 203mm rear disc rotor for maximum stopping power
Fits gas bike frames with rear disc brake tabs
Choose from manual pull, line-pull hydraulic, or full hydraulic caliper options
Includes axle nut spacers, adapter, and hardware
🛒 Full hydraulic set includes both front & rear calipers – ideal for full-bike brake upgrades!
 
📦 Full Description
Upgrade your ride’s stopping power with this Rear Disc Brake Conversion Kit, specially designed for motorized bikes with rear disc brake tabs and wheels featuring a 6-hole disc pattern. Whether you're cruising, racing, or commuting, this kit adds unmatched safety and control to your high-speed build.
Featuring a massive 203mm rotor, a 203R caliper adapter, multiple axle nut spacer sizes, and extra-long mounting bolts, this kit gives you everything you need to install a powerful rear disc brake. Choose between manual pull, line-pull hydraulic, or go all-in with the full hydraulic setup—which comes complete with both front and rear calipers for full-bike coverage.
🔧 Note: Some modifications may be required to fit your specific frame or build. Rotor color and pattern may vary based on stock.