This pair of front end caps is designed to fit 6-bolt E-sync hubs when used with 12mm axles. The included end caps are also compatible with Neo and Neo Ultimate hubs. The end caps feature a low-friction U-cup seal that snaps into place and stays secure even when your wheel is removed from your bike. These end caps are compatible with both Boost 110mm and older 100mm axle spacing. Fits 6-bolt E-sync, Neo, and Neo Ultimate front hubs. Not compatible with Centerlock or OS versions of E-sync, Neo, or Neo Ultimate hubs. Not compatible with M-pulse hubs.

• Designed to fit 6-bolt E-sync hubs when used with 12mm axles
• Compatible with both Boost 110mm and older 100mm axle spacing
• Also fits 6-bolt Neo and Neo Ultimate front hubs