Shimano 105 ST-R7170 Right Rear Hydraulic Rear Disc Brake

The Shimano 105 ST-R7170 right rear hydraulic disc brake has 10% more brake pad clearance than its predecessor. This minimises the possibility of friction noise and therefore results in a quieter braking process. The strong and excellently controlled braking power ensures reliable deceleration and allows you to stop safely in all conditions. You also benefit from the user-friendly purging process, the so-called sOne-Way-Bleeding. With its Flat-Mount design, the two-piece aluminium brake caliper also blends in perfectly with the overall look of your bike. By the way, the R7170 weighs no more than the comparable Ultegra model.Features:Use: RoadUncluttered display panel: wireless connection enhances the aesthetics of the bike while maintaining extremely fast shifting.Longer duration. Uses two CR1632 batteries (battery life: 3.