| 摘要 |
A bicycle bottom bracket and bearing axle arrangement including two end caps fastened to the bottom bracket of a bicycle at two oppoisite sides to hold a bushing around the bottom bracket bearing axle, two nuts and two clamps respectively fastened tot he bottom bracket bearing axle to hold two axle bearings at two opposite ends of the bushing around the bottom bracket bearing axle, and a cushion mounted around the bottom bracket bearing axle between one nut and one clamp had having inward teeth respectively engaging in respective longitudinal sliding grooves on the bottom bracket bearing axle.
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