Park Tool Bottom Bracket Tool BBT-9

. A double ended BB tool for safe, efficient and secure removal and installation of 16 notch external bearing bottom brackets, the Bottom Bracket Tool BBT 9 works with a variety of models, making it a workshop or garage must have. Versatile and Durable BB Tool. Combining two heads in the one tool for optimum versatility and convenience, the smaller end of the BBT 9 fits neatly on the 8 splines of the crank arm adjustment cap for easy removal, allowing you to flip the tool and connect the optimised "hole" end to loosen the BB cup. Installing the new bottom bracket is just as simple. Suitable for cups and lockrings with outside diameters of around 44mm, and rotor disc lockrings with 16 external notches, the BBT 9 can be used on models including Shimano Hollowtech II Campagnolo Ultra Torque and Power Torque Race Face FSA SRAM Truvativ Chris King Phil Wood outboard bearing Hawk Racing Token FulcrumFeatures Compatibility Cups and Lockrings with 16 External Notches and 44 mm Outside Diameter Functions 16 Notch Bottom Bracket Engagement Hole, 8 Spline Crank Arm Adjustment Cap Fitting Buy Park Tool Workshop from Chain Reaction Cycles, the World's Largest Online Bike Store.