Shimano Dura-Ace BR-R9170-R Caliper Rear Hydraulic Disc Brake

Peek Performance
For road cyclists who want to take their performance to the next level, hitting those declines harder, taking corners quicker, and simply trying to get faster - Shimano's Dura-Ace BR-R9170-R Caliper Rear Hydraulic Disc Brake will get you to that peek performance
DURA-ACE - Flat Mount - Hydraulic Disc Brake - Rear Caliper
The DURA-ACE R9100 series of Flat Mount disc brakes bring powerfully integrated brake performance to the highest rungs of road cycling. The R9170 calipers are light weight while offering better control and confidence in race conditions.
Better Control And Confidence
When racing and competing the best feeling is being in control and confident in your bikes and your own ability. The optimally balanced hydraulic brake system is light weight and has improved heat dissipation from the ICE Technologies Freeza, which makes the system more versatile and performance friendly.
Simple Set Up And Maintenance
The system has an easy set up and maintenance routine, there's an easy tool access with the Flat Mount system. An Easy wheel replacement from the wide pad clearance and chamfer of brake pads. The one way clean bleeding system makes the disc brake easily maintainable and works well with its one piece alloy body design
Powerfully Integrated Brake Performance
The Powerfully integrated low-profile caliper design makes the brakes useability holistic in the bikes performance