Shimano Dura-Ace BR-R9170 Flat-Mount Road Disc Caliper Fixing Bolts Description:

The Shimano Dura-Ace BR-R9170 Flat-Mount Road Disc Caliper Fixing Bolts are designed to attach a flat mount road bike disc brake caliper to the rear triangle of a bicycle frame. The length is determined by the thickness of the frame, not the actual length of the bolt.

Note: Sold individually.

Features:

• Fixing Bolt C attaches rear mounting plate to frame

This product is expected to become available for purchase on Saturday, February 21, 2026