| 摘要 |
A bicycle speed change lever assembly comprising a fixed support shaft, a control lever having a boss portion rotatably supported by the shaft, a click ring co-rotatable with the boss portion of the control lever and provided on one side surface thereof with an arcuate row of clicking recesses, a retainer non-rotatably supported by the shaft in facing relation to the one side surface of the click ring and loosely retaining steel balls in corresponding relation to the row of clicking recesses of the click ring, and a mode selector disposed in facing relation to the retainer and having backup portions for forcing the balls into clicking engagement with the row of clicking recesses and shelter recesses for allowing the balls to retreat thereinto.
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