E-sync Hub Shimano Micro Spline Freehub Kit DART the steel axle features a

the steel axle features a high-precision centerless ground treatment that ensures perfect bearing fit

Tubeless tape installed

Hub Service Manual - E-sync Rear

In promoting a smoother turning nipple

We recommend going with the wider option if you rims falls in between sizes

E-sync Hub Shimano Micro Spline Freehub Kit DART the steel axle features aFits 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.