?Designed to hold socket to bottom bracket axle to prevent slippage during installation or removal.
?Fits both square tapered axles and Shimano? octalink and ISIS Drive? system.
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? 設計用於固定插座到底座軸上，以防止在安裝或拆卸過程中滑移。
? 適用於方形錐形軸和Shimano? Octalink和ISIS Drive?系統。