Shimano

The Ultegra BR-R8170 disc brake caliper brings a new level of control to the road cycling world with enhanced modulation and a quicker initial braking point. Despite its smaller construction, the system is quiet and easy to maintain.

Shimano Disc Brake Adaptors allow the use of different sized rotors to your frame or fork.

For 74mm caliper on Flat Mount fork, using 160mm rotor
Includes mounting hardware