Unverified90% confidenceTradeoffTime unknown
双螺栓齿纹啮合设计角度锁定极为牢固,长途骑行和重度越野中几乎不会出现坐垫角度滑移,但角度调节为分档式非无级,微调精度不如单螺栓无级设计细腻
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