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Stan's NoTubesArch S1 27.5in Wheel

Temporarily Out Of Stock

Item # SNT003Q

Don't get too bummed. This item is on the way and will be available for purchase as soon as it rolls into the warehouse.

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Arch S1 27.5in Wheel

The Stans Arch S1 27.5in Wheel is one of the most versatile choices in Stan's wheel line-up, effortlessly transitioning from fast-flowing XC loops to rugged desert mesas without sacrificing overall strength or tire support. It's similar to the Arch MK3 Wheel, but at a more affordable price that only compromises in terms of rolling weight over its pricier MK3 sibling. The Arch S1 retains the excellent Neo hubs with Durasync, which provide a responsive 10-degree engagement for getting up and over trail impediments standing in your way. Thirty-two spokes at the front and rear wheels maximize strength and stiffness when you're tracking over rough terrain and plunging into steep, rocky descents.

The 26-millimeter internal width maintains an ideal tire footprint with trail rubber in the range of 2.2 to 2.5-inches wide—without deforming your tires into a bulbous or bell-like shape that's prone to pinch-flats, sidewall slashes, and burps on the trail. Seeing Stans is a tubeless pioneer, the Arch S1's Bead Socket Technology (BST) maintains a secure interface with tubeless set-ups by matching the tire's bead shape. BST makes tires true to their shape in tubeless form, allowing for high levels of traction and less rolling resistance on the trail.

  • Versatile strength for trail and cross-country riders
  • Similar to the Arch MK3, but at a more affordable price
  • 26mm internal width supports tires from 2.2 to 2.5in
  • 6061 aluminum alloy optimizes its strength-to-weight
  • Bead Socket Tech for secure tubeless interface
  • Neo hubs with responsive 10-degree engagement
  • Includes end caps for quick-release skewers

Tech Specs
Rim Material6061 aluminum alloy
Wheel Size27.5in
Tire Typetubeless, clincher
Rim Depth17.3mm
Rim Width[internal] 26mm, [external] 29.7mm
Brake Compatibility6-bolt disc
HubsNeo with Durasync (10-degree engagement)
Front Axle15 x 100mm
Rear Axle12 x 142mm
SpokesSapim Force Black (2.0/1.7/1.8mm)
Spoke NippleSapim Secure Lock (alloy black)
Spoke Count32
Max Rider Weight230lb
Manufacturer Warranty2 years

Claimed Weight

Claimed weights are provided by the vendor.

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4lb 2.4oz

Actual weights are measured in-house by the Competitive Cyclist team.

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What do you think about this product?



What type of freehub body are on these? They look like HD but a review says XD

The rear wheel that is currently available has a Shimano HG freehub body so it will work with Shimano 11-speed drivetrains and SRAM NX Eagle drivetrains or any cassette that is compatible.


Am I able to convert the 12X142 rear wheel to 10X135 QR? Does it come with the end caps and skewer?

>Rating: 2

Nice wheel, not clearly described

I returned this product before using it

This wheel sounded good according to the website, received it and discovered the hub is XD compatible only so had to send it back. This was NOT on the web description. Was returned in original box exactly as new. Competitive Cyclist did not refund me the full amount, 90%. Most decent companies today refund 100%, especially since bike part compatibility is such a can of worms these days.

Does this wheel come with a shimano freehub or XD?? The picture shows a shimano style but the review/comment is saying XD only. ????