For use with 2000+ Hayes 74mm eye-to-eye calipers (adapters/calipers for 22mm mounts are no longer available)
(IS) International Standard 51mm tabs; (QR) quick release; (TA) thru-axle
Note: Fox-36/40 (thru-axle), Rock Shox Pike (Maxle), and Psylo (Tullio) axle forks use IS-QR adapters
Smart part number is Hayes ID stamped/cast into adapter bracket (sometimes in conjunction with a leading 74- and/or a trailing letter)
| fork/frame mount |
(IS fork) 51mm |
| caliper |
post mount 74mm |
| rotor (front/rear) |
F-203mm |
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