The Shimano Dura Ace BR9170 is a hydraulic disc brake caliper. As part of the Dura Ace 9100 series, this caliper offers system engineering at its peak for an unparalleled level of performance.
- Dedicated brake lever shape, stroke, contact point, stiffness and dedicated shaft for better control and confidence in race conditions
- Easy tool access and wheel replacement mean simple set up and maintenance
- One piece alloy body has an integrated low-profile design
- Provides premium heat dissipation
- The hydraulic brake system is optimally balanced for racing