| 摘要 |
An annular locating member mounted around a bottom bracket bearing axle within a ball race to hold steel balls inside the ball race around the bottom bracket bearing axle between a flange around the periphery of the bottom bracket bearing axle and a flange around the inside wall of the ball race, the annular locating member having an outward flange coupled to an annular groove inside the ball race and an inward flange coupled to an annular groove around the periphery of the flange at the bottom bracket bearing axle.
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