A rugged, thoroughly engineered shop-quality bike bottom bracket tool, the CNC Alloy Bottom Bracket tool offers classic Lezyne styling—and a whole lot more. Machined from premium 7075-T6 aluminum with a slick anodized black finish, the CNC Alloy BB Tool is a premium shop tool for everyone from professional bike mechanics to recreational cyclists looking to upgrade their home workshop. It’s compatible with our CNC ROD, as well as a 32-millimeter socket or 32-millimeter open-end wrench, and features a knurled circumference for extra grip when hand-tightening/loosening. Also features an 8-spline Shimano crank-arm preload tool.
39 MM BB cup OD, 16 spline: Shimano 9000 series, Dura Ace, BB92, XTR BB93
41 MM BB cup OD, 16 spline: Shimano 105 BBR60, Ultegra 6800, XT MT-800
44 MM BB cup OD, 16 spline: Shimano BB80, BB5700, BB70, BB51, Enduro T47, Wheels T47, Various – FSA, Hope, SRAM, Chris King, Race and more (MOST COMMON)
46 MM BB cup OD, 12 spline: SRAM DUB, Race Face Cinch, Zipp, Rotor, BSA30, BB356 and more