NoTubes Arch MK4 29 Rear Wheel, 12X148 Microspline

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

Light and durable 6069 aluminum with welded joint and reinforced spoke bed

BST-Asymmetric design combines Stan’s legendary easy tubeless inflation with a stronger, more balanced wheel build

M-pulse ultra-low drag magnetic pawl adjustable hubs with 1.66° engagement

Enduro bearings with double-row freehub bearing

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