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Item # SNT003E

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  • Black, 15x110/12x148mm, Shimano/SRAM ($679.00)
  • Black, 15x110/12x148mm, SRAM XD ($679.00)
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Item # SNT003E

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The Stan's NoTubes Arch MK3 29in Boost Wheelset builds on its EX predecessor's success to bring durable versatility to your next trail adventure. Borrowing design elements from Stan's speedy Crest XC rim profile and the burly internal arch design of the gravity-focused Flow, this wheelset jumps off the line and weathers big hit with ease. The MK3 designation brings a widened, lower profile rim than the EX with claims of increased strength and lower weight than the EX series.

The MK3's internal rim width puffs out from the EX's 21mm to a spacious 26mm platform designed to pair with tires ranging from 2.25 inches to 2.5 inches in width. The Arch MK3 utilizes Stan's Bead Socket Technology (BST) with notably low profile sidewalls that allow the tire bead to seat more effectively, which brings a host of benefits compared to standard rims with higher sidewalls. BST provides an exceptional tubeless seal while also allowing the tire to hold greater air volume than standard rims that place the bead 2-4mm below the edge. This allows the tire to maintain its full shape for a wider, more stable rolling platform compared to the same tire mounted on a standard rim.

The ability to run up to 30% lower air pressure in the tubeless system than a standard tube setup paired with all those BST features results in better handling, confident cornering, exceptional tire stability, and overall improved control out in the dirt. For riders not wanting to make the tubeless leap, these rims are also compatible with standard tubes, with the lower sidewalls drastically reducing pinch flat risk by limiting the amount of material present for the tube to pinch against. This means less time crouched in the trailside foliage wrestling with flats and more time ripping your favorite loops.

Stan's laced the Arch MK3 to its Neo hub set, featuring oversized, smooth-spinning bearings that glide on a stiff, strong, swaged axle. The Neo cradles the bearings at a wider stance for a claimed threefold increase in strength compared to standard hub designs and utilizes four precision pawls that simultaneously engage a forged steel 36-tooth ratchet ring for snappy, ten-degree engagement. Stan's builds in its new SealLock end caps for easy installation and Slip-Fit axle ends for quick conversion.

The Stan's NoTubes Arch MK3 29in Boost Wheelset comes packaged with Stan's yellow rim tape and valves already installed for tubeless use - just add your favorite tubeless-ready tire, Stan's award-winning sealant, and air. It's available with a 15 x 110mm front axle and a 12 x 148mm rear thru-axle paired with either a Shimano/SRAM or SRAM XD freehub.

  • Versatile aluminum wheels built tough for the trail
  • Boost axles widths improve handling and power transfer
  • MK3 rim profile increases strength and reduces weight
  • BST design provides Industry-leading tubeless reliability
  • Optimized for 2.25 inches to 2.5 inch tire widths
  • Neo hubs spin fast and smooth

Tech Specs

Rim Material:
Wheel Size:
29 in
Tire Type:
tubeless, clincher
Rim Depth:
16 mm
Rim Width:
[internal] 26 mm, [external] 29.3 mm
Brake Compatibility:
6-bolt disc
Stan's Neo
Front Axle:
15 x 110mm Boost
Rear Axle:
12 x 148mm Boost
Sapim Force Black 2.0/1.7/1.8mm
Spoke Nipple:
Sapim Secure Lock Alloy Black
Max Rider Weight:
230 lbs
Actual Weight:
Black, 15x110/12x148mm, SRAM XD: 1790g
Recommended Use:
trail, mountain bike
Manufacturer Warranty:
1 year

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Quality Wheelset, great price

  • Familiarity: I've used it several times

There may be more expensive and "better" wheelsets out there, but I have yet to find anything available that compares to the quality and value of these Stans Arch MK3. The 26mm internal width gives a great tire profile to most tires that aren't of the "plus" variety. The new Neo Hubs are a great improvement over there previous hub design. I would definitely recomend this wheelset for anyone looking to upgrade from there stock wheels while not breaking the bank.

New and improved

  • Familiarity: I've used it several times

The new rim design by Stans for the Arch is awesome. They're more durable and wider. The hubs are also improved. They're quieter than the old Stans hubs with better bearings. I highly recommend these wheels for any trail or xc bike. You will not be disappointed.