Shimano Dura-Ace BR-R9170 Flare Nut Unit SM-BH90 - M8 - Y8RD98020

For use with Shimano Dura-Ace BR-R9170 disc brake calipers. This nut unit is to be used with the Shimano Dura-Ace ST-R9180 shifters.

This Flare Nut Unit can also be used on the following brakes:

- Shimano Ultegra BR-R8070

This is an "A" match which indicates that the parts are the same in materials, appearance, finish & size etc.

Genuine Shimano replacement part.