Double-sided socket tool for installing and removing both 48.5mm and 44mm 16-notch bottom bracket cups. Compatible with all Wheels Manufacturing bottom brackets. Socket is machined for 1/2" drive, but a 3/8" to 1/2" adapter is included so you can use it with 3/8" drive torque wrenches.
48.5mm, 16-notch pattern matches up with Wheels Mfg bottom brackets, along with some FSA MegaEVO bottom brackets. The 44mm, 16-notch side matches up with Wheels Manufacturing bottom brackets, along with many other outboard bearing bottom brackets including Shimano, FSA MegaEXO, Campagnolo Ultra Torque and SRAM/Truvativ.
Compatible with all Wheels Manufacturing bottom brackets with the following spline patterns:
* 48.5mm, 16-notch
* 44mm, 16-notch
* Also compatible with FSA MegaEVO BB cups, Shimano, SRAM/Truvativ, Campagnolo Ultra Torque and FSA. If using with a non-Wheels Manufacturing bottom bracket, check the technical specifications with that bottom bracket manufacturer for exact size and pattern.