E-sync Hub Shimano Micro Spline Freehub Kit DART In promoting a smoother turning

In promoting a smoother turning nipple

Features knurled end for a no-slip grip

The Flow EX3 rim combines the 29mm internal width and durable 6069 aluminum construction of the Flow MK3 with the incredibly strong Tiebeam triple cavity design of the classic Flow EX rim

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

Rim Internal Width: 21

E-sync Hub Shimano Micro Spline Freehub Kit DART In promoting a smoother turningFits 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.