Wolf Tooth Disc Brake Adapter - Post to Flat Mount +20mm CheckoutTitle=Shimano Ultegra BR-R8110-F Road Caliper Brake - Front The heart of the RockShox

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Wolf Tooth Disc Brake Adapter - Post to Flat Mount +20mm CheckoutTitle=Shimano Ultegra BR-R8110-F Road Caliper Brake - Front The heart of the RockShoxWolf Tooth Disc Brake Adapter Post to Flat Mount +20mm. The Wolf Tooth Post To Flat Mount Brake Adapter allows flat mount brakes to be added to a frame or fork that was designed for post mount brakes. This is a vital component for cyclists who want to run a road groupset on a mountain bike frame. Please note that this is a +20mm adapter which means a 140mm post mount native size will only work with a 160mm rotor just as a 160mm post mount native size