Stans NoTubes NEO Freehub Durasync, Shimano MicroSpline

• Fits E-sync hubs and includes pawls, springs, pawl retainer, 0.5mm freehub spacer, freehub seal, and drive-side end cap.
• Compatible with Shimano Micro Spline cassettes.
• Not compatible with Shimano HG cassettes and not compatible with SRAM XDR or XD cassettes.
• Also compatible with Neo and Neo Ultimate hubs as a more durable upgrade.