Beefy 12mm Rear Hydraulic Disc Brake Master Cylinder Caliper Assembly With Pad For 50cc To 150cc Pit Dirt Bikes Like SSR Taotao Coolster Roketa Apollo SDG Stomp Demon X Atomik Pitster Pro YCF And More
✔️ Single unit brake assembly, 12mm shaft compatibility
The rear hydraulic brake master cylinder caliper assembly with pads is designed for 50cc-150cc pit bikes and similar Chinese-brand models. It's a common replacement or upgrade on dirt bikes from brands like SSR, Taotao, Coolster, Roketa, Apollo, SDG, Stomp Demon X, Atomik, Pitster Pro and more, delivering reliable stopping power in rough riding conditions.
✅ Fitment: 50cc-150cc pit bikes and many Chinese brands (SSR, Taotao, Coolster, Roketa, Apollo, SDG, Stomp, Demon X, Atomik, Pitster Pro, YCF, IMR and more)
✅ Size: Mounting Hole Distance 42-50mm (1.65-1.97 in); Oil Pipe 500mm (19.68 in); Hole diameter 79mm (3.11 in); Mount axle hole 12mm (0.47 in); Banjo Bolt M10X1.25
✅ Includes: 1 Brake Assembly, 3 Tie, 1 Extra Brake Pad, 1 Fuel Filter
✅ Note: 12mm wheel shaft version; confirm your bike uses 12mm shaft before purchase
💡 What is a hydraulic brake master cylinder used for on small dirt bikes? It converts lever input into hydraulic pressure to stop the bike. It's handy for reliable, smooth braking in rough terrain. - Converts lever movement into hydraulic pressure - Provides steady, linear braking for 50cc-150cc bikes - Requires proper bleeding and compatible fittings - Works with standard 12mm shafts and M10X1.25 banjo bolts