Shimano Dura-Ace Hydraulic Disc Brake BR-R9170 Flat mount Rear Caliper eBikes (116 link)Super narrow chain for

(116 link)Super narrow chain for Shimano 10-spd drivetrains

Nylon toe clips included

5 titanium tubing

The GP2 is made from 100% German

level 1 standard

Shimano Dura-Ace Hydraulic Disc Brake BR-R9170 Flat mount Rear Caliper eBikes (116 link)Super narrow chain forThe Shimano Dura Ace BR RS9170 Flat Mount Hydraulic Disc Brake caliper is an upgrade of braking performance on all counts. The primary goals were to make this brake smaller, lighter, and better on all fronts. Shimano succeeded. They also had a secondary goal, to make these easier to operate, easier to set up, easier to install a wheel. They succeeded on that front as well. The caliper possesses a lower profile. This means it hides better from the wind