Hayes IS Frame To Post Caliper Brake Mount - R 160-180mm Do Not Ship Internationally just a slight knock or

just a slight knock or misalignment can spell trouble

Pair with BoXXer fork

Fits Downhill

or any other time you think you're going to be pushing your limits and want some backup if things go wrong

with a  1:1 shifter to derailleur actuation ratio shifting

Hayes IS Frame To Post Caliper Brake Mount - R 160-180mm Do Not Ship Internationally just a slight knock orThese adaptors are designed to work with rear brakes on frames with IS (International Standard) style brake mounts. Who's this item for: If you are running Hayes Dominion brakes you will need to use these adaptors as ones made by other brands won't provide enough clearance for the calipers.