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The 2-Way Fit profile allows you to mount either a clincher tyre or a tubular tyre
Technology: PowerChain™/ Powerlube™/ Powerlock™/ HollowPin™/ Chrome Hardened Pins
this system offers the ultimate combination of protection and low-friction performance
resulting in a tuned flex profile that cannot be achieved with aluminum
Shimano Dura-Ace BR-R9170 Flat Mount Disc Brake Caliper Size:Rear The 2-Way Fit profile allowsThe Dura Ace R9100 series of flat mount disc brakes bring powerfully integrated brake performance to the highest rungs of road cycling. The Shimano Dura Ace BR R9170 Flat Mount Disc Brake Caliper is lightweight while offering better control and confidence in race conditions. Specifications Optimally balanced hydraulic brake system for racing Easy and clean bleeding system One piece alloy body design Integrated low profile caliper design Light weight