Stans No Tubes Arch MK4 Disc 27.5″ MTB Rim

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

• 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 Stans legendary easy tubeless inflation with a stronger, more balanced wheel build
• 3-year rim warranty with 1-year crash replacement
• Wheel Size: 27.5″
• ISO Diameter: 584 / 650b / 27.5″
• Brake Track: None
• Rim Joint: Welded
• Eyelets: None
• Rim Width (External): 31.4mm
• Rim Width (Internal): 28mm
• Rim Depth: 18.9mm
• Holes: choose; 28h, or 32h
• Manufacturer Spec ERD: 561mm
• Rim Material: Alloy
• Valve: Presta
• Tire Type: Tubeless Ready
• Valve Length: Short 32-40mm
• Rim Center Offset: 2.5mm Offset
• Weight: 451g.
• Color: Black