| 摘要 |
A locking collar capable of coupling a hub-and-axle subassembly to a fork dropout of a bicycle for locking an antifriction bearing in place includes an outward pressed surface adapted to confront a pressing surface of the fork dropout, an inward abutting surface adapted to confront the antifriction bearing, an axially extending female threaded surface adapted to be screwed on a threaded end segment of an axle, a tubular extension extending from the outward pressed surface to be insertable into the fork dropout, and a plurality of circumferentially extending rib segments which are disposed on the outward pressed surface to be in pressing engagement with the pressing surface of the fork dropout in a tightened state.
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