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SHIMANO GRX / ULTEGRA RT-CL800 Center Lock Disc Brake Rotor Quieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation The new arm shape is more robust, leading to quieter operation Heat dissipation paint boosts performance External lockrings are mostly...
Shimano GRX Di2 FD-RX815 Front Derailleur
Features
Chainline +2.5 mm vs. conventional road FD
17T front range
Wider tire clearance
Wider range front gearing
Specifications
Compatible Chain: HG-EV 11-speed/ HG-X11
Mount: braze-on
Chainline: 46mm
Chainstay Angle: 61-66
Top Gear Teeth: 46-50T
E-Tube Port: 1
Shimano GRX Di2 FD-RX815 Front Derailleur
Features
Chainline +2.5 mm vs. conventional road FD
17T front range
Wider tire clearance
Wider range front gearing
Specifications
Compatible Chain: HG-EV 11-speed/ HG-X11
Mount: braze-on
Chainline: 46mm
Chainstay Angle: 61-66
Top Gear Teeth: 46-50T
E-Tube Port: 1
Shimano GRX Di2 RD-RX815 2x Rear Derailleur Features Adjustable chain stabiliser prevents chain slapping and drops Switch stabilizer On/Off to match the terrain Gravel-tuned clutch tension Silent and uninterrupted rear shifting on rough terrain Smooth and reliable mixed surface shifting Compatible with current road Dual Control Lever Specifications...
Shimano GRX Di2 RD-RX817 1x Rear Derailleur Features Adjustable chain stabilizer prevents chain slapping and drops Switch stabilizer On/Off to match the terrain Gravel-tuned clutch tension Silent and uninterrupted rear shifting on rough terrain Smooth and reliable mixed surface shifting Compatible with current road Dual Control Lever Specifications...
Shimano GRX Di2 ST-RX815 Dual Control Lever Features Raised hood head prevents hand misalignment and slippage Recessed finger notch prevents upward slipping Anti-slip texture and brake lever coating Improved braking input performance Higher brake lever axis and curved brake lever Improved grip and confidence on choppy surfaces and descents...