Stans NoTubes E-Sync Freehub SRAM XDR

• Fits E-sync hubs and includes pawls, springs, pawl retainer, 0.5mm freehub spacer, 1.8mm cassette spacer, and freehub seal. Bearings are pre-installed.
• Compatible with SRAM XDR style cassettes.
• SRAM XD cassettes are compatible when used in conjunction with the included spacer.
• Not compatible with any Shimano cassettes.
• Also compatible with Neo and Neo Ultimate hubs as a more durable upgrade.
• Replaces ZH1642