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. Constructed of light and strong 6069 aluminum alloy, with a reinforced spoke bed and 28mm internal width ideal for 2.2-2.5" tires, the Arch MK4 can get you up the climbs easier and make the descent even better. Utilizing Stan's patented Bead Socket Technology, combined with a stronger asymmetric design for balancing control and weight, the Arch MK4 your best choice for all-around riding.
3-year rim warranty with 1-year crash replacement
BST Asymmetric design combines Stan’s legendary easy tubeless inflation with a stronger, more balanced wheel build
Light and durable 6069 aluminum with welded joint and reinforced spoke bed
Versatile 28mm internal rim width optimized for 2.2-2.5” tires
Internal Rim Width
584 / 650b / 27.5"
Rim Center Offset
Presta, Short 32-40mm
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