Foundation Shimano Style BB Tool Wrench it yourself with Foundation Bike Tools! From pedal wrenches to repair stands, Foundation Bike Tools offers a collection of quality tools that are essential to keeping your bike in top shape and ready for adventure. Foundation Bike Tools is here to give you an extra set of hands for basic fixes, maintenance, repairs, and installations. The home mechanic's new best friend! Nothing drives a cyclist crazy like a noisy bottom bracket! Use the Foundation Shimano Style Bottom Bracket Tool to get in there and service the squeak out of your external bottom bracket. The shop-grade Foundation Shimano Style Bottom Bracket Tool enables effortless removal and installation of Shimano Hollowtech II style bottom brackets. Features Fits Shimano Hollowtech II bottom brackets and BB9000Fits 16-notch bearing cups with an outside diameter of 39mm or 46mm Includes a convenient bottom bracket preload tool Shop-grade steel construction makes this tool incredibly durable Note: will not work with Shimano MT-800 bottom brackets | Foundation | Shimano Style Bb Tool Black