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Shimano Dura-Ace ISO Track Lock Ring
The G.O.A.T. of all lock rings.
The HB-7710-R Lock Ring is one of the best lock rings ever made and is a staple of the Japanese Keirin. You are unlikely to see a bike on the track without one. These are an amazing option for street shredders alike.
FITMENT ISO Lockrings are not suitable for Campagnolo, Miche or Phil Wood Hubs They will however fit NJS stamped Campagnolo The Lockrings will work with any Sprocket 13T and up 11T & 12T Sprockets are NOT compatible
SPECIFICATIONS 1.29″ x 24tpi Left-hand thread (BSA/ISO/Standard) Steel