鈦軸BB | Ti Bottom Bracket
採用 中空鈦合金軸心，重量僅 161g，相比原廠鋼軸心的 243g 更輕量化。具備 鎖緊環式軸心位置調整設計，可在 ±3mm 範圍內調整鏈線，無需加墊片或拆卸BB。左右 獨立軸承座，方便保養維修。鎖緊環同時兼具修飾BB與曲柄間隙的美觀效果，質感升級。
Ti Bottom Bracket
Featuring a hollow titanium axle, weighing only 161g compared to the stock steel axle at 243g. The lock-ring adjustment system allows fine-tuning of the chainline within ±3mm without removing the BB or adding spacers. Independent bearing cups on both sides make maintenance easier. The lock-ring also refines the visual gap between BB and crank for enhanced aesthetics.
軸心：鈦合金
軸長：120mm
重量：161g
台灣地區買2,000元免運、海外地區滿10,000元免運
Free shipping for orders over NT$2,000 in Taiwan; free shipping for international orders over NT$10,000.
