Stan's NoTubes

Stan's No Tubes Arch MK4 Rim

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Designed with input from Enduro World Series teams, the new Arch MK4 features a 28mm wide internal rim profile optimized for use with 2.2"-2.5" tires.  The Stan's Arch MK4 uses an asymmetric cross section to help balance spoke tension while staying true to it's original design intent for general purpose trail use with minimal weight.  

This rim is fully tubeless compatible when used with Stan's Tubeless Rim Tape and a Wheelbuilder Tubeless Valve Stem

Checkout our Custom Stan's MTB wheel page to configure your personalized set of Stan's wheels.

Rim Specifications:

  • Size: 26" (Special Order), 27.5" (650b), 29er
  • Weight: 431g (26”) / 451g (27.5") / 481g (29")
  • Hole count: 28, 32
  • Internal/External width: 28/31.4mm
  • Tubeless compatible
  • Rim depth: 18.9mm
  • Valve: 35mm presta
  • Rim material: Aluminum 6069 alloy
  • Color: black
  • ERD: 536mm, 2.5mm Offset mm (26”) / 561mm, 2.5mm Offset mm (27.5") / 600mm, 2.5mm Offset (29")
  • Max pressure: 2.2" tire @ 41psi, 2.5" tire @ 35psi
Stans MTB Rim Compairson
Rim Description Material  Rim Width Internal/External Rim Profile Height Hole Count Weight (Size) Tire Size Range Application
Crest MK4 Aluminum  25mm / 28.4mm  18mm  28H, 32H  357g (26") / 374g (27.5") / 399g (29") 40mm - 2.3" Cross Country, Gravel
Arch MK4 Aluminum 28mm / 31.4mm 18.9mm 28H, 32H 431g (26”) / 451g (27.5") / 481g (29") 2.2" - 2.5" Cross Country, Trail
Flow EX3 Aluminum  29mm / 32.6mm  17.9mm  32H  580g (27.5") / 618g (29") 2.3' - 2.6" Enduro, DH-Freeride
Flow MK4 Aluminum  30mm / 33.6mm 18.9mm  32H  466g (26") / 487g (27.5") / 521g (29") 2.3" - 2.6" Trail, Enduro, DH-Freeride

Inventory Note:
We stock a variety of Stan's rims, however our inventory fluctuates daily. We may need to order rims with an average lead time of 7-10 business days. If your order is time sensitive we encourage you to contact us for up to the minute product availability and shipping lead times.

The Arch MK3 is a wider, stronger, and stiffer version of the ZTR Crest rim. The use of 6069 alloy kept overall rim weight down despite the width growing by 24%. An entirely new rim profile adds strength and helps eliminate tire pinch flats

reduce the strain on the tire bead while creating a tighter seal.

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