E-sync Rear Hub 0.5mm Silver Freehub Spacer

This spacer is required for proper freehub positioning and must be installed on the axle prior to installing the freehub. Compatible with all E-sync freehubs. Not compatible with M-pulse, Neo, or Neo Ultimate freehubs, but can be used in conjunction with E-sync freehub as a retrofit upgrade to Neo and Neo Ultimate hubs.

How To: E-Sync Tech Videos