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Stan’s NoTubes Arch MK4 29 Inch MTB Rim


DT Swiss EX 471 27.5″ Disc MTB Rim – black

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Stan’s NoTubes Arch MK4 27.5 Inch MTB Rim


Product Name: Stan’s NoTubes Arch MK4 27.5 Inch MTB Rim
Manufacturer: Stan’s NoTubes
Item Code: STNARCHMK427
activity: Cycling
material: Aluminium
usage bikesport: MTB, Enduro
brake type: Disc Brake
wheel size: 28″ (29″) (622mm)
tire type: Wire Bead Tire, Folding Tire, Tubeless Ready
spoke hole number: 28 or 32
ERD – effective rim Ø: 564mm
ETRTO: 28-622
max. spoke tension: 1275N
rim width: 31.4mm
inner profile width: 28mm
rim profile height: 18.9mm
Color: Black
weight: 451g
manufacturer item code: RTA470001;RTA470002
Manufacturer page:

SKU: STNARCHMK427 Categories: , Tags: , ,


Stan’s NoTubes Arch MK4 27.5 Inch MTB Rim

Mountain bikes have changed in the decade since the original Arch rim helped introduce the world to tubeless technology. With a 28mm wide asymmetric rim shape and ultra-strong 6069 alloy, today’s Arch MK4 rim has evolved to match these more capable bikes. Through all the years of testing and refinement of this rim, one thing has never changed: versatility. Now more than ever, when you want a reliable rim that can handle every trail, the Arch MK4 is for you.

Features of Stan’s NoTubes Arch MK4 MTB Rim

  • Versatile 28mm internal rim width optimized for 2.2-2.5 inch tires
  • Light and durable 6069 aluminum with welded joint and reinforced spoke bed
  • BST-Asymmetric design combines Stan’s legendary easy tubeless inflation with a stronger, more balanced wheel build
  • Available as 28 or 32 hole version

Details of Stan’s NoTubes Arch MK4

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.

The Arch MK4’s BST-Asymmetric shape improves spoke angle, allowing for a stronger overall wheel build. Unlike most asymmetric rims that struggle with tubeless inflation and consistent airtight seal under hard cornering, the Arch MK4’s 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 asymmetric design, light and durable 6069 alloy, and the perfect rim width for balancing control and weight, make the Arch MK4 your best choice for all-around riding. Powering up rocky switchback climbs or slapping berms on every descent, the Arch MK4 is ready for whatever you can throw at it.

Additional information

Weight N/A

28H, 32H


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