DT Swiss 240 EXP 54T Ratchet Upgrade Kit
The DT Swiss 240 EXP rear hubs are now lighter, stiffer, more precise and easier to maintain. Enhanced with Ratchet EXP driver technology, using fewer parts while providing greater reliability and easier maintenance. The 54T upgrade kit provides even more engagement than the standard 36T EXP. Compatible with SRAM XD and Shimano MicroSpline drivers.