The Lezyne CNC Alloy BB Tool is a long-lasting premium shop quality tool for everyone from professional bike mechanics to home mechanics. Machined from premium 7075-T6 aluminium with a knurled exterior and a slick anodised black finish, the tool is compatible with a 32mm socket or wrench. The 39, 41, and 44mm tools feature and 8-spline Shimano cap tool, while the 46mm tool has a 16mm hex tool which will come in super handy when working with RaceFace cranksets.Who's this for: There is an option available to suit most threaded bottom brackets out there, so if you have a threaded BB and need a quality tool, these ones would be a great choice.Materials: CNC machined and anodised 7075-T6 aluminium.Compatibility: There are a few options available for this tool. 39mm cup, 16 notch: Shimano 9000 series, Dura-Ace, BB92, XTR BB93 41mm cup, 16 notch: Shimano 105 BBR60, Ultegra 6800, XT MT-800 44mm cup, 16 notch: Shimano BB80, BB5700, BB70, BB51, Enduro T47, Wheels T47, Various – FSA, Hope, SRAM, Chris King 46mm cup, 12 notch: SRAM DUB, RaceFace Cinch, Zipp, Rotor, BSA30, BB356 and more