CHAINRING OR8 64mm 22T 4B BK/SL 6061-T6 alloy replacement rings 8, 9 and 10-speed compatible Black anodized with silver CNC machined teeth Available in Ramped and pinned and standard styles Made in U.S.A.
AL6061-T6 alloy replacement rings 8, 9, and 10 speed compatible Black anodized with silver CNC machined teeth Available in ramped/pinned and standard styles Made in the USA .