Shimano Dura-Ace BR-R9170 Flat Mount Disc Brake Caliper Size:Rear Materials: Cupro Aluminium

Materials: Cupro Aluminium

Bearings are easily serviced or replaced

Most other seatposts have grip lengths of at least

73mm wide asymmetrical BB shell) frames without the need for any adapters

Shimano Dura-Ace BR-R9170 Flat Mount Disc Brake Caliper Size:Rear Materials: Cupro AluminiumThe 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