【Controltech】Eccentric Ring 偏心盤 SHIMANO SRAM 價格比較,價格查詢,價格歷史信息

CONTROLTECH 全新上市 偏心盤. 僅需更換你大盤上的齒片, 就馬上可以 1. 提升最高達6%騎乘功率 2. 功率及迴轉速全面提升 Better acceleration and dynamics than round chainring. Power output increases: 5.6% when crank arm rotation degree starts from 30 to 150 degree (Dominant leg). Cadence increases: 5.9 % when crank arm rotation degree starts from 210 to 330 degree (Non-dominant leg). Great tool to train your non-dominant leg to have greater performance. Speed: 11S. Compatibility: SRAM. Material：AL7075 Size：53/41, 51/36 (BCD 110), 53/41 (BCD 130) Weight：211g(BCD 130, 53/41), 227g(BCD 110, 53/41)

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