Stan's No Tubes Arch S2 Rear Wheel - 27.5" 12 x 142mm 6-Bolt HG11. Arch S2 wheelsets have the versatility to handle a wide range of riding conditions and are the ideal upgrade for Trail AM Enduro and eBikes. When your average ride includes both tough climbs and rough descents and you want the best tubeless system in the business the Arch S2 is for you.

Versatile 28mm internal rim width optimized for 2.2-2.5” tires

6061 aluminum with sleeved joint and stainless steel rim eyelets

Patented BST low-profile rim shape for easy tubeless inflation and the most reliable seal

Matched wheelsets use traditional J-bend lacing and share a single spoke length for easy serviceability

E-sync hubs offer fast 8.18 deg engagement with reinforced pawls

Enduro bearings with double-row freehub bearing and cromoly axle offer 47% increase in max torque capacity over Neo hubs

Connection program includes 3-year E-sync hub warranty 3-year S2 rim warranty 1-year crash replacement and $10 donation to trail maintenance or advocacy group of your choice

Tubeless tape installed requires additional valve stems