Use this adapter to mount Hayes 74mm post-mount disc brakes to frames and forks which have 51mm International Standard disc mounts.
Confused by the process of mounting Hayes brakes on your bike? Give us an e-mail firstname.lastname@example.org or call us at 800-577-8720 and well walk you through it!
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
I had a used set of post mount Hayes MX4 disc brakes. I upgraded my wife's Trek Skye SL with these. I couldn't have done it without this adapter. It attached her rear caliper to the Trek international brake adapter, which is on her frame.
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