Shimano BB-UN300 Square Spindle Bottom Brackets Fits JIS square-taper cranksets Crankarm fix..
24 Threads Per Inch **Not Older Schwinn (28 TPI)..
Color: Size: More details coming soon..
Quality tool for installing and removing Shimano and ISIS Drive splined 20-tooth bottom bracket cups..
A heavy duty, investment cast tool for installing and removing all Shimano, ISIS Drive, and ISIS Ove..