Shimano Black Shimano GRX RX815 front hydraulic disc brake 2025

Front hydraulic brake. Brake: RX810, lever: RX815
Brake: With a low-profile Flat Mount design, the SHIMANO GRX BR-RX810 hydraulic disc brakes provide greater control for mixed terrain riding.
Never hesitate to tackle rough surfaces

• Excellent heat dissipation
• Flat mount
• Simple set up and maintenance
• Convenient tool access
• Easy hose joint system (J-kit)
• Simple wheel replacement
• Easy and clean bleeding system
• ONE WAY BLEEDING
• ICE TECHNOLOGIES
• Brake hose: SM-BH90-JK-SSR, SM-BH90-J-SSR
• Hose joint: Straight
• Pad: K05S-RX Resin (w/o fin), L05A-RF Resin (w/ fin), K04S-MX Metal (w/o fin), L04C-MF Metal (w/ fin)
• Recommended disc brake rotor: SM-RT800, RT-MT800
• Oil: SHIMANO mineral
• Mount type: Flat mount
• Piston: 2
• Average weight: 141

Lever: The SHIMANO GRX DI2 DUAL CONTROL LEVER delivers light and responsive shifting for mixed-terrain riding. The ergonomic shifter design improves comfort and the textured, anti-slip brake lever increases control on bumpy terrain. The Di2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting.

• Improved grip and confidence on choppy surfaces and descents
• Raised hood head prevents hand misalignment and slippage
• Recessed finger notch prevents upward slipping
• Anti-slip texture and brake lever coating
• Higher braking efficiency reduces fatigue on long rides
• Improved braking input performance
• Higher brake lever axis and curved brake lever
• Average weight: 373 ( /pair)