Stan's Notubes KIT E-SYNC / NEO END CAPS REAR 10X135 QR CL

These end caps fit Centerlock E-sync hubs with 10x135mm quick-release rear axle spacing and Shimano HG or SRAM XD/XDR cassettes. The non-drive side end cap includes a low-friction U-cup seal that snaps into place and stays secure even when your wheel is removed from your bike. Compatible with E-sync, Neo, and Neo Ultim