? 這款扳手的套筒可以增加扳手與底座杯之間的接觸面積，尤其適用於輕量級底座杯。
? 可用於拆卸和安裝Shimano? Hollowtech II、Truvativ? GXP、FSA? MegaExo、Campagnolo? Ultra-Torque、TOKEN?和許多其他帶有外部軸承曲柄組底座杯。
? 規格：
TB-BB40：底座杯扳手包括曲柄安裝工具TB-8911。
TB-BB41：包括TB-BB40、曲柄安裝工具TB-8911，以及適用於Shimano? SM-BB9000、SM-BB93的轉接頭TB-BB18和適用於Shimano? SM-BBR60的轉接頭TB-BB19。
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?The socket can increase contact area between wrench and B.B. shell, especially for lightweight B.B.
?Disassemble and install Shimano? Hollowtech II, Truvativ? GXP, FSA? MegaExo, Campagnolo? Ultra-Torque, TOKEN? and many other external bearing crank set bottom brackets.
?Spec:
TB-BB40: Bottom bracket wrench includes a crank installation tool, TB-8911.
TB-BB41: Includes TB-BB40, crank installation tool TB-8911, adaptor TB-BB18 for Shimano? SM-BB9000, SM-BB93 & TOKEN? adaptor TB-BB19 for Shimano? SM-BBR60.
