The Arch MK4 rim from Stan's NoTubes is more than ever the right choice for you if you're looking for a reliable rim that can handle any trail. The balanced ratio of control and weight makes the Arch MK4 your best option for all-around riding.

The Arch MK4 rim is light enough for XC racing, but it is also the result of research and testing on the Enduro World Series track. The BST-Asymmetric shape of the Arch MK4 improves the spoke angle, allowing for a more stable overall wheel construction. The shape of the Arch MK4 is designed to evenly distribute pressure on both sides of the rim, enabling easy inflation and an incredibly strong tire hold.

Features:

• 28 mm internal width
• 31.4 mm external width
• ERD 561 mm, 2.5 mm offset (27.5”) / 600 mm, 2.5 mm offset (29”)
• 30 mm tape
• Suitable for 2.2 - 2.5” tires
• Lightweight and durable 6069 aluminum with welded joint and reinforced spoke bed
• The BST-Asymmetric offers a stronger, more balanced wheel construction
• 3-year rim warranty
• 1-year crash replacement.