Shimano Dura-Ace BR-R9210 Rim Brake Calipers - Direct Mount Bikebox This broad surface spreads the

This broad surface spreads the energy from an impact across a greater surface area and creates a more forgiving platform on which the tire can bottom out

Extremely heat resistant - certified for rim brakes

With exceptional coverage

Cup and bearing set allows standard SRAM and Truvativ cranksets

Shimano Dura-Ace BR-R9210 Rim Brake Calipers - Direct Mount Bikebox This broad surface spreads theThe Science of Speed. Speed was the mainspring in the development of this 12 speed road bike series of a new generation. Several years of research produced those innovations that make the Shimano Dura Ace R9200 even faster. Every component has been revised, refined and optimised to enable the decisive seconds of advantage whether as a breakaway from the peloton or in the finish sprint on the Champs lyses. With its symmetrical short arm design and SLR