- Ring Nut tool required for removing and reinstalling the ratchet EXP ring nut with integrated inner ratchet
- Use in conjunction with Ratchet EXP bearing removal tool (HBDT6106S) and the general ratchet hub service kit (HBDT837) for professional servicing of Ratchet EXP system hubs
- Only works on Ratchet EXP systems, for original twin ratchets please use HBDT835, for pawl drive hubs please use tool HBDT5266
- Simple to use, fits into a vice for workshop use
- Always consult the relevant DT technical manual before attempting to service an unfamiliar hub