Shimano Tiagra 4700 rear brake bridge

The Shimano Tiagra 4700 Rear Brake Bridge provides complete and consistent control. Compatible with 28 mm wheels, the calliper uses a thrust-bearing pivot to reduce friction, whilst improving braking with new brake boxes that can be adjusted for integration.Features:- Use: Road- Complete and consistent control- 30% more braking power with the lineal brake option- Pivot thrust bearing to reduce friction on the calliper- Intelligent setting brake box made of new R50T5 material- Improved performance on wet surfaces with alloy rims- Intelligent setting brake box