The Arch MK4 rim is light enough to take XC racing but was born from research and testing on the Enduro World Series circuit, making it a great rim for anyone looking to improve both descending and climbing
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