First Look: Stan’s NoTubes Grail road/cross tubeless wheels

Bike Press Camp Wheels

Stan's NoTubes Grail Wheels

Genesis of the Grail was GT’s new Grade adventure bike, which needed an appropriate wheel for its top-tier build.

Stan’s NoTubes dubbed its new rule bending 6-bolt disc wheels the Grail (as in holy), but Goldilocks might have been a more appropriate name. Knowing that its Iron Cross wheels worked well for bog hopping but couldn’t deal with higher pressures, and that its Alpha wheels had no problem with 120psi but required an extra rim strip at ‘cross friendly lower pressures, Stan’s aimed to cook up a Just Right pot of porridge. The end result is a heaping helping of gap bridging wheel that’s claimed to be equally capable at high or low pressures with wide or skinny tires. Gravel road ride anyone?

Turns out the burgeoning go anywhere bikes niche was the main driver behind these new wheels. Bike maker GT actually got the ball rolling, approaching Stan’s and asking for an appropriate wheel to spec on its new high end Grade adventure bikes. (More on that in a future post.) Stan’s responded with a 24mm outer diameter wide rim that has the company’s deepest ever profile at 24.5mm. Stan’s claims it’s the company’s most aero rim to date, thanks to a bulbous shape that’s subtly reminiscent of offerings from Zipp.

Stan's NoTubes Grail Wheels Stan's NoTubes Grail Wheels

Grail (left) is wider and deeper than the Iron Cross and Alpha.

The crux, though, is the deeper drop channel that helps fit tight road tires, but also spreads them out, which puts the bead in a more secure position. Same goes for CX tires. Flub that remount and squash down on the tire. No problem, says Stan’s. No burping here.

The Grail will be available at the Comp ($645) and Team ($695) level in 10 or 11 speed configurations. Comp’s have 32/32 hole counts, Stan’s 3.30RD hubs and weigh a claimed 1,720 grams. Team’s are 24/28 with Stan’s 3.30RD hubs, and get an upgrade to stainless steel bearings to drop weight to a claimed 1,570 grams. Front axles are QR or 15mm thru-axle compatible. The rear’s come QR, but can be adapted to 142x12mm. (Wheelset weights are based on QR/QR.) There’s no Pro version yet, but if there’s enough interest down the road, Stan’s will make it.

Rims are in stock now ($105). Complete wheels should be showing up at shops by August. Check out the photo galley below to learn more.

First Look: Stan’s NoTubes Grail road/cross tubeless wheels Gallery
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Stan's NoTubes Grail Wheels

The Grail is already being spec'd on Niner's new carbon cross bike, he BSB 9 RDO.
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Stan's NoTubes Grail Wheels

Disc mounting is 6-bolt. Hubs are Stan's 3.30RD.
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Stan's NoTubes Grail Wheels

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Stan's NoTubes Grail Wheels

Stan's well-regarded 3.30 RD hubs.
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Stan's NoTubes Grail Wheels

The new rim measures 24.5mm deep, 24.1mm outer diameter, and 20.3 inner diameter.
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Stan's NoTubes Grail Wheels

The Grail (left) is deeper and wider than the Iron Cross or Alpha.
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Stan's NoTubes Grail Wheels

That much wider than the Alpha.
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Stan's NoTubes Grail Wheels

Putting the new wheels to the test on the new GT Grade adventure bike.
About the author: Jason Sumner

An avid cyclist, Jason Sumner has been writing about two-wheeled pursuits of all kinds since 1999. He’s covered the Tour de France, the Olympic Games, and dozens of other international cycling events. He also likes to throw himself into the fray, penning first-person accounts of cycling adventures in British Columbia, Belgium, Brazil, Costa Rica, France, and Peru among many others. Sumner, who joined the RoadBikeReview.com / Mtbr.com staff in January, 2013, has also done extensive gear testing and edited a book on cycling tips. When not writing or riding, the native Coloradoan can be found enjoying the great outdoors with his wife Lisa.


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