Disc Brake Caliper Shimano Tiagra BR-R4770 Flat Mount Rear

Disc Brake Caliper Shimano Tiagra BR-R4770 Flat Mount Rear

The Shimano Tiagra BR-R4770 is a high-quality hydraulic road disc brake caliper designed for rear wheel installation with a Flat Mount interface. It delivers smooth and consistent braking performance in all weather conditions, providing reliable control on training rides and long-distance road cycling.

The Flat Mount design ensures a clean and integrated appearance while allowing compact installation on modern road and cyclocross frames. The rear version is optimized for use with a 140 mm rotor, offering balanced braking power and precise modulation.

Shimano’s One-Way Bleeding system enables quick and easy maintenance with minimal mess. Resin brake pads provide quiet operation and smooth braking feel, while Shimano mineral oil guarantees stable and dependable performance. The BR-R4770 is compatible with ST-4720 and ST-4725 brake levers and optimized for SM-RT70 140 mm rotors.

• Application: Road / Cyclocross
• Series: Tiagra
• Model: BR-4770
• Brake Type: Hydraulic disc brake
• Position: Rear
• Mount Type: Flat Mount
• Brake Pads: Resin
• One-Way Bleeding: Yes
• Brake Fluid: Mineral oil
• Recommended Lever: ST-4720, ST-4725
• Recommended Hose: SM-BH90-JK-SSR / SM-BH90-J-SSR
• Recommended Rotor: SM-RT70 (140 mm)
• Material: Painted aluminum
• Weight: approx. 140 g