Stans Notubes Rim, Arch Mk4 27.5, 32h, Black / Gray

The Arch MK4 rim is a versatile option that has evolved to match the capabilities of modern mountain bikes. With its 28mm wide asymmetric rim shape and ultra-strong 6069 alloy, it offers durability and reliability for any trail. Despite years of testing and refinement, its original purpose of introducing tubeless technology to the world has remained unchanged. When looking for a reliable rim that can handle any type of terrain, the Arch MK4 is the right choice. The Arch MK4 rim, featuring light and strong 6069 aluminium alloy, is ideal for improving both descending and climbing. Its design, born from thorough research and testing on the Enduro World Series circuit, makes it suitable for XC racing as well. With a reinforced spoke bed and 28mm internal width perfect for 2.2-2.5" tires, the Arch MK4 enables easier climbs and enhances descent performance. Thanks to its BST-Asymmetric shape, the Arch MK4 allows for a stronger overall wheel build by improving spoke angle. Additionally, its unique design ensures easy tubeless inflation and airtight tire retention on both sides, even under hard cornering. The Arch MK4 is the ultimate choice for versatile riding, featuring Stan's patented Bead Socket Technology and a reinforced asymmetric design. Its 6069 alloy construction ensures a lightweight and durable option, with the perfect width for optimal control and weight balance. Whether tackling rocky switchback climbs or navigating downhill berms, the Arch MK4 is fully equipped to handle any challenge. KEY FEATURES 1. Versatile 28mm internal rim width optimized for 2.2-2.5” tyres 2. Light and durable 6069 aluminium with welded joint and reinforced spoke bed 3. BST-Asymmetric design combines Stan’s legendary easy tubeless inflation with a stronger, more balanced wheel build 4. <spa...