Stan's NoTubes - Arch MK4 29, 32h, Black, Gray stock all while being laterally stiffer

all while being laterally stiffer than just about every other carbon and alloy rim on the planet

Headset bearing - Dimensions: 41 X 30

The Flow CB7 brings Stan's patented BST tubeless system to wider carbon rims to create a new classic

Sapim Polyax Secure Lock 2

Reinforced back panel to resist abrasion from bars and cable runs

Stan's NoTubes - Arch MK4 29, 32h, Black, Gray stock all while being laterally stifferFeatures: 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 3 year rim warranty with 1 year crash replacement Ready for Every Trail Mountain bikes have changed in the decade since the original Arch rim helped introduce the world to tubeless