Shimano Dura-Ace BR-R9170 Flat Mount Disc Brake Caliper BX PSI The Thomson seatpost has all

The Thomson seatpost has all parts captive and can easily be attached to a seat without dis-assembly

This combination delivers precise cable movement and excellent durability

8mm and 34

Designed for intensive training

For use on steel

Shimano Dura-Ace BR-R9170 Flat Mount Disc Brake Caliper BX PSI The Thomson seatpost has allThe 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