SHIMANO ULTEGRA Di2 ST-R8170 + BR-R8170 12-SPEED DISC BRAKE REAR brake levers - 10/25 Bleed block for 2 and

Bleed block for 2 and 4 piston brakes

Model: FC-M371

1  Gear wire 2050mm

This 38mm cartridge bearing maintains smooth performance across all Cane Creek headset models

Suitable for presta and schrader valves

SHIMANO ULTEGRA Di2 ST-R8170 + BR-R8170 12-SPEED DISC BRAKE REAR brake levers - 10/25 Bleed block for 2 andThe redesigned Shimano Ultegra Di2 ST R8170 brake levers with BR R8170 caliper deliver enhanced ergonomics and superior brake modulation through SHIMANO's proven SERVO WAVE technology. Wireless electronic shifting puts precise control at your fingertips, enabling seamless gear changes and confident braking in any riding condition. Built for performance and reliability on any terrain. Features FASTEST AND MOST RELIABLE SWITCHING OPERATIONS EVER