The Flow MK4 rim's patented BST Asymmetric shape creates the most reliable tubeless seal
1-year crash replacement
Formula CL-2241 / Boost QR 5x141mm
Low friction surface helps tire beads slip into place
The Maxalami insertion needles provide a quick and effective temporary solution in the event of a tubeless tyre puncture and are especially suitable for the largest of openings
Stan's NoTubes - Hub, Rear, Stans, E-Sync, 28H,CL, 12X142, Ta, Shimano HG stock The Flow MK4 rim's patentedStrength and durability were the main priority in designing E sync hubs. Designed for more aggressive riders, wet environments, and the added torque and weight stresses of eBikes, E sync hubs are built to last. The cromoly axle and Enduro sealed bearings of the E sync can handle high loads and harsh conditions, and the double row Enduro bearing at the heart of the E sync's freehub lasts longer than simply pairing two standard cartridge bearings side