Smart 2in1 tool for mounting and dismounting both external crank bearings and cassettes.

On the one hand, there is a tool that fits, among other things. Shimano Hollowtech 2, Truvativ / Sram GXP, Race Face X-Type and Campagnolo Ultra Torque.

The other side fits cassettes from i.a. Shimano, Sram and SunRace

A wrench or a 32mm fork / wrench can be used.