This pair of front end caps is designed to fit 6-bolt E-sync OS and Neo OS hubs when used with 12mm axles. 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. Fits only OS hubs. Not compatible with Centerlock or non-OS versions of E-sync, Neo, or Neo Ultimate hubs. Not compatible with M-pulse hubs.
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