Foundation Bottom Bracket Wrench 16-Notch 44mm A versatile tool for every mechanic As bottom bracket standards evolve to meet the needs of riders and updated bike designs, it's important to have the right tools to work on them. This Foundation Bottom Bracket Wrench is the perfect tool to have in any shop, with rugged steel construction and rubberized grip that makes quick work of tough jobs. This versatile tool features a 44mm OD, and a 16-notch interface that's compatible with most Shimano Hollowtech II bottom brackets-as well as some centerlock rotor lockrings. The curved design of the Foundation Bottom Bracket Wrench improves tool purchase on the bottom bracket, for a reduced risk of damaging critical components, while the chunky rubberized handle offers a more secure, comfortable grip. Features Compatible with 44mm OD, 16-notch external threaded bottom brackets including many Shimano Hollowtech II, centerlock rotor lockrings, and more Curved design for an easier angle and improved tool purchase Hand-friendly rubberized grip for added control and a more comfortable grip Precision machined for an exact fit to reduce the risk of component damage Specifications Bottom Bracket Compatibility16-Notch, 44mm OD external threaded bottom brackets (including most Shimano Hollowtech II BBs)Material Steel with Rubber Handle | Foundation | Bottom Bracket Wrench 16 Notch 44Mm Bottom Bracket Wrench 16 Notch 44Mm | Rubber