Mountain bikes have changed in the decade since the original Arch rim helped introduce tubeless technology to the world. With an asymmetrical rim shape that's 28mm wide and an ultra-strong 6069 alloy, today's
Arch MK4 rim has evolved to fit these higher-performance bikes. In all the years of testing and perfecting this rim, one thing has never changed: versatility. Now more than ever, when you're looking for a reliable rim that can handle any trail, the Arch MK4 is the rim for you.
The Arch MK4 rim is light enough for XC racing, but it was born out of research and testing on the Enduro World Series circuit, making it an ideal rim for anyone looking to improve their descents and climbs. Constructed of lightweight, strong 6069 aluminum alloy with a reinforced spoke bed and 28mm internal width ideal for 2.2" to 2.5" tires, the Arch MK4 can make climbing easier and descending even better.
The Arch MK4's BST-Asymmetric shape improves the angle of the spokes, building a stronger wheel overall. Unlike most asymmetric rims that struggle to inflate tubeless and provide a consistent seal in corners, the Arch MK4 shape is designed to equalize pressure for easy inflation and incredibly strong tire retention on both sides of the rim.
Stan's patented Bead Socket technology, combined with a stronger asymmetrical design, lightweight and durable 6069 alloy, and the perfect rim width to balance control and weight, make the Arch MK4 your best choice for all-around use. Whether it's climbing twisting climbs or overcoming obstacles on every downhill, the Arch MK4 is ready for anything you can throw at it.
Details
- Size: 29".
- Material: 6069 aluminum.
- Internal width of 28 mm compatible with tires up to 2.5".
- External width of 31.4 mm.
- Height of 18.9 mm.
- Asymmetrical rim.
- Drilling: 28 or 32 Holes.
- Braking: Disc only.
- ERD : 600mm, 2.5mm Offset (29").
- ETRTO : 622x28.0 (29").
- Recommended rim width: 30 mm
- Tube or tubeless compatible
- Use: XC.
- Max pressure with 2.2 tire: 41 psi.
- Max pressure with 2.5 tire: 35 psi.
- Weight : 481g (29").
Rim and valve not included
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