The Enduro BBT-036 Flat Wrench is a splined bottom bracket tool that allows you to install and remove Maxhit bottom bracket cups for BSA24 29 and 30 as well as outboard Shimano XT Ultegra bottom bracket cups (FC-25). In addition the tool is also designed for use with standard BSA29/DUB and BSA30 cups.Allows you to install and remove Maxhit bottom bracket cups for BSA24 29 and 30 as well as outboard Shimano XT Ultegra bottom bracket cups (FC-25)The tool is also designed for use with standard BSA29/DUB and BSA30 cupsThe BBT-036 is equipped with the following tool interfaces: 46 mm x 12-spline interface (equivalent to the Enduro BBT-46x12-STD Pro Cup tool) and a 41 mm x 16-spline interface (equivalent to the Enduro BBT-41x16-24 Pro Cup tool)Tool is made of premium heat-treated steel and is designed for durability and high-torqueFeatures a black finish to resist wear and corrosion