![Load image into Gallery viewer, Stan's-No-Tubes-Rim-27.5-in-Tubeless-Ready-Aluminum_RIMS1658](http://365cycles.com/cdn/shop/files/RM0428_997a7b0d-4473-46c4-9290-b5141576885b_400x@2x.jpg?v=1717561823)
![Load image into Gallery viewer, Stan's NoTubes Arch MK4 Rim - 27.5, Disc, Black, 28H](http://365cycles.com/cdn/shop/files/RM0428-01_c475fcbe-a6e7-4839-a03b-ec59ae12ced4_400x@2x.jpg?v=1717561823)
![Load image into Gallery viewer, Stan's NoTubes Arch MK4 Rim - 27.5, Disc, Black, 28H](http://365cycles.com/cdn/shop/files/RM0428-02_1f2cc521-fcf4-47d6-9851-14654a13c6bb_400x@2x.jpg?v=1717561823)
![Load image into Gallery viewer, Stan's NoTubes Arch MK4 Rim - 27.5, Disc, Black, 28H](http://365cycles.com/cdn/shop/files/RM0428-03_e6d840b1-0e2b-4cb3-86bb-1d9be431894f_400x@2x.jpg?v=1717561823)
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.
- 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 legendary easy tubeless inflation with a stronger, more balanced wheel build
- 3-year rim warranty with 1-year crash replacement
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.
- 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 legendary easy tubeless inflation with a stronger, more balanced wheel build
- 3-year rim warranty with 1-year crash replacement