Eighth Generation | Authentically Native Designed | Wool Blankets

BB30 Thread Together Bottom Bracket

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$69 $138 In stock

鋁合金外殼以螺紋緊密結合，確保軸承精準對位並與車架完美貼合，減少五通異音與軸承提前磨耗。


  • ABEC-3 密封軸承
  • Grade 10 鉻鋼珠，52100 高碳鉻合金珠槽