| 摘要 |
A bicycle crank arm apparatus includes an axle having a first end portion an d a second end portion, wherein the first end portion has an outer peripheral surface a nd a threaded inner peripheral surface; an axle bolt having a threaded outer peripheral surface screwed into the threaded inner peripheral surface of the first end portion of the axle; a crank arm having an axle mounting boss defining an opening for receiving the first end portion o f the axle therein, wherein the axle mounting boss includes a first fastener for tightening the crank arm mounting boss around the first end portion of the axle; and wherein the cran k arm boss is positioned axially inwardly of the axle bolt. |
