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Item # SNT0019

4 5

Community Rating | 5 Reviews

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  • Black, 9mm quick release/135mm quick release ($595.00)
  • Black, 15mm /12x142 ($610.00)
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Item # SNT0019

Description

Stop yelling, 27.5in is the best of both worlds

We can't think of a more polarizing debate in the cycling world than the hot-faced arguments surrounding the pros and cons of 26in vs. 29in wheels. Well, we have advice for both sides of the fence — the middle path is usually the wisest. Luckily, our statement isn't in vain, as the Stan's NoTubes ZTR Crest 27.5in Wheelset walks on the line that both parties have drawn in the sand.

Now, we're not going to pick a side on the war of merits, but we can say that 27.5in makes perfect sense to us. After all, if you believe the campfire stories, the 27.5in wheel was intended to be the original mountain wheel size, with the 26in falling into our laps by default, or in this case, by exorbitantly high tariffs. Also known as 650b, 27.5in offers the best of both worlds. As an adopted standard, it provides logical proportions for frame sizing and does away with limitations on suspension travel. As the in-between'er it offers a close-fit to the nimble handling of 26in while retaining the smooth-rolling of 29in. With 27.5in, traction is also increased, and the feel of natural, effortless climbing doesn't come with the compromise of sluggish descending. Sounds good, right? Well, the ZTR Crest wheelset takes all of these features a step further.

The ZTRs are Stan's first go at 27.5in wheels, but you wouldn't guess that from the ride quality. Made from 6061 alloy, the ZTRs rim profile provides well-rounded characteristics of rigidity, stability, and strength. However, the profile and material are only cogs in the efficiency machine known as Bead Socket Technology (BST). This is Stan's signature on the wheel world, and we'll tell you why it's so important — it all comes down to lower tire pressure. BST eliminates the necessity for a bead hook, and allows the rim to use a shorter sidewall. This design permits the tire to inflate to its natural shape, and thus reduce the stored energy within the rim. Now, to draw comparison to a typical design with a heightened sidewall and bead hook, this system pinches the tire at its base and requires higher inflation pressures to maintain handling. This pre-loading is what contributes to higher stored energy, and accordingly, it contributes to the characteristic of "rolling off" or instability under lateral pressure, or as it's commonly known, "cornering." In contrast, BST actually reduces required pressure by around 30%, and this contributes to a multitude of advantages.

With BST's design, tires can inflate to a higher volume at a reduced pressure. This translates to a true tire shape that grabs the trail more thoroughly through corners. The lower pressure also directly equates to speed. Tires roll faster at reduced pressure by efficiently adapting to rough or uneven surfaces. With less pressure, the tire is free to absorb shock instead of recoiling from it, and this amounts to less energy being dissipated by the tire flattening and rebounding upon impact. Further along the lines of speed, the ZTR's absence of a bead hook not only reduces the weight of the wheel by around 35g, but it also sets in motion a design that removes grams from the most important location — the point of rotation. By removing the bead hook, the rim is naturally made wider. Width breeds stability, and stability permits a 2-4mm height reduction to the sidewall. The shorter sidewall reduces air pressure's mechanical leverage enacted upon the rim, which means that Stan's can make the center of the rim thinner. All in all, the chain of events reduces weight by around 100 to 160g without compromising strength or rigidity. Back on point, though, it's important to note that this weight was removed from the rim. This means that rotational weight is decreased, and thus, less energy is required to achieve acceleration and to keep the wheels rotating at speed. You'll also be happy to know that, should you choose to run a tube, the ZTR design also greatly reduces the occurrence of pinch flats. And even better, when run tubeless, there's simply no tube to pinch flat.

The ZTRs accept a 6-bolt rotor. The rims have been laced in a 32/32 three-cross pattern to Stan's 3.30 QR Disc hubs.

The Stan's NoTubes ZTR Crest 27.5in Wheelset are available in a 27.5in (650B) size and in the color Black.

Please note that this wheelset features a quick-release front and rear axle type. 15mm end caps are supplied for the 15mm thru-axle front hubs. Any required/desired conversion kits for the rear axle will need to be purchased separately.

Tech Specs

Material:
[rim] 6061 aluminum
Rim Depth:
15.8 mm
Rim Width:
24.4 mm
Front Hub:
Stan's 3.30 QR
Front Hub Type:
quick-release
Rear Hub:
Stan's 3.30 QR
Rear Hub Type:
quick-release
Spoke Nipple Material:
alloy
Skewers:
quick-release
Axle Type:
[front] quick-release, 15 mm thru-axle, [rear] 9x135 mm quick-release
Brake Compatibility:
6-bolt disc
Rotor Compatibility:
6-bolt
Complete Set Weight:
1520 g
Recommended Use:
cross country
Manufacturer Warranty:
1 year limited
Actual Weight:
Black, 9mm quick release/135mm quick release: 1,520g

Reviews & Community

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Stan's NoTubes ZTR Crest 27.5in Wheelset

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Here's what others have to say...

5 5

Scott Scale 740 + WHELLS ZTR CREST

I would like to thank, directly from Brazil, for the service and quality of products sold by the site.

My bike was very good with the new wheels ZTR CREST.

Thank you.

Scott Scale 740 + WHELLS ZTR CREST
5 5

Podium Race

  • Familiarity: I've used it several times

I know these aren't the correct wheels but I wanted everyone to know. The Podiums are amazing, light and you can't beat the price. As most of you know, wheels are the best upgrade you can do on any bike. These wheels are going to make this bike a beast.

Podium Race
4 5

Pleasantly Surprised

  • Familiarity: I've used it several times

I must say I am always a little weary when a company dives into a market such as going from making sealant to wheelsets. I used these on an HDR and they had really good engagement, were decently light and pretty stiff as well. For the price these wheels are awesome. I would happily put this on my bike when my current wheelset bites the dust. If you have any questions about these wheel set I would love to talk to you about them.

Here is my contact information: My direct line 801.736.6396 ex. 4389. Feel free call to me anytime, I?m always happy to talk about bikes or gear or the weather. Whatever works! I?m here Mon, Tues and Friday 1:30-10pm MST and Saturday 9-5:30 as well as Sunday 10-7. I look forward to speaking with you.

4 5

XC race mount

I built up a carbon hardtail race bike and thought these would be a good choice. I have the same Crest combo on my full suspension and they have proved their usefulness. I'm confident the 27.5s will be as durable. These are a great bang for your buck.
I actually don't mind the QR, an option would be nice for those that want that but the QR has held up in pretty tough conditions.

XC race mount
3 5

Should have choice of axles

On the Stan's website, one can choose a choice of front and rear axle. On here, its limited to QR only. QR is just about obsolete. This is a waste of material and money for everybody.