Pro BB Socket

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The solution to the ever-growing number of threaded bottom bracket standards flooding the market Designed to accept Pro BB Inserts via magnetic connection, allowing for quick, effo rtless swapping 7075 T6 aluminum socket is fully machined to precise tolerances 3/8'' square drive for use with torque wrenches, 24mm external drive for use with Pedro's Pro Socket Handle and pedal wrenches, and internal M12 thread for use with the Pro BB Socket Holder -01: Includes Pro BB Socket Cup, and Pro BB Inserts: Shim. 16x44, BSA30/DUB 12x46, T47 16x52, & T47 12x52 -02: Includes Pro BB Socket Cup, Pro BB Inserts: Shim. 16x44, Shim. 16x41, Shim. 16x39, BSA30/DUB 12x46, T47 16x52, T47 12x52, T47 16x48.5, & Prax. 12x49, and Pro BB Socket Holder, foam holder Show more