This VAR internal bearing tool kit is designed for professional mechanics and allows the assembly and disassembly of the vast majority of models with external bearings. This kit contains 14 sockets, including 7 for e-bikes: all have a 1/2" square drive for use with the brand's torque wrenches. It also includes 4 guides: Ø22/24mm (Sram GXP) , Ø24mm , Ø29mm (Sram DUB), Ø30mm.