SEIDO Combo Tool - Mounting Wrench for T47 Bottom Brackets

The Combo Tool is used for mounting and dismounting Seido T47 bottom bracket cups. While the 12 teeth mount is suitable for the bottom bracket's version with external bearing rings, the side with 16 teeth is compatible with the version with internal bearings. In addition, the tool features a 3/8 inch mount for attaching an extension to increase the lever arm.