Shimano 105 ST-R7120 BR-R7170 Right Rear Brake Kit: for the purest road cyclingThe Shimano 105 STI 12-Speed Shifter ST-R7120 with BR-R7170 Flat-Mount Caliper for Hydraulic Disc Brake features exceptional deceleration performance and offers pure mechanical shifting pleasure for the purest form of road cycling.  Brake Kit Left Front Shimano 105 ST-R7120 BR-R7170The Shimano 105 STI 12-Speed Shifter ST-R7120 with BR-R7170 Flat-Mount Caliper for Hydraulic Disc Brake features exceptional deceleration performance and offers pure mechanical shifting pleasure for the purest form of road cycling. Characteristics:- Additional 10% pad spacing reduces the chance of brake disc friction
- Simple purging process
- 12-speed mechanical dual control lever with updated ergonomics
- Light shifting operation lets you focus on the road
- New lever shape creates a shorter access curve allowing riders with a wide variety of hand sizes and shapes to comfortably reach the levers