DT Swiss SRAM XD End Cap for Pawl Drive System (3 Pawls) Right-side end stop for DT Swiss hubs with XD freehub bodies.FeaturesPawl Drive System(3 pawls system)DT Swiss Ratchet SystemDT Swiss wheelsets w/ 15 mm aluminium axles12 x 142 mm version is also... $44.95 $32.05 - $39.99