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Item # NIN0030

Don't worry though, we have a lot more 27.5" Mountain Bike Wheels - Tubeless in stock than that.

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Item # NIN0030


Ideal for XC riders looking to capitalize on the mid-size platform, Industry Nine's Trail Carbon 24H 27.5in Wheelset reduces its spoke count and opts for a 2:1 lacing pattern over its three-cross, 32-hole counterpart. The big news, however, is that carbon is finally joining I9's aluminum disco.

These aren't just any run-of-the-mill epoxy and fiber-reinforced rings. Instead, Industry 9 enlisted help from the composite wizards at Reynolds Cycling. This means that these 29mm-wide outer, and 21mm inner, tubeless rims have Reynolds' encompassing MR5 technology. It focuses on five key elements -- spoke face, nipple bed, tire channel, rim sidewall, and hook bead -- in order to optimize resin chemistry and carbon layup for the structural and loads of each component. Long story short, this technology mated to I9's deft spoke and hub interface is a force to be reckoned with.

Instead of steel spokes, I9's wheels use 7075 aluminum. The spokes are straight pull, and they have roughly a 25% greater cross section then comparable 14/15 double butted steel spokes. In other words, these spokes have a stronger tensile strength. Also, on traditional spokes, threads are rolled, not cut. This adds to strength, but creates a stress riser where the thread channel is narrower than the diameter of spoke itself.

Industry Nine, however, doesn't need to roll its threads. Instead, they're created during the machining process, but cut so that the thread channel is the same as the spokes diameter. The threads themselves are actually larger than the spoke for a strong interface with the hub. That brings to light another defining feature of these wheels -- there are no nipples.

The spokes thread directly into hub, making nipples as useful on I9 wheels as they are on male mammals. The spokes also use a standard 15-gauge wrench and conventional truing methods in order to service. The Torch hubs that these spokes thread into are a fresh redesign of the groundbreaking Industry 9 hubs.

Accordingly, Industry Nine's new Torch hubs feature two sets of three pawls phased three degrees from each other. This preserves the 120 points of contact and lightning-quick three degrees engagement that distinguished Industry Nine, only now, the pawls have two teeth instead of three. Along with that, a changed cantilever angle and shallower tooth profile on the hardened drive ring reduce drag for a less-restricted freehub. Remarkably, it has the same holding power. And, that's not all that I9 did to improve the Torch.

Its engineers removed the large bearing between the freehub body and shell, opting for smaller bearings directly between the body and shell. The reduced bearing size means less seal surface area that, along with a new silicone lip design, significantly reduces mechanical drag. The freehub is also now easier to remove for cleaning/lubing, and like before, the springs and pawls are captured. So, you won't be scrambling on a floor looking for small parts.

The Industry Nine Trail Carbon 24H 27.5in wheelset is available with a 15mm front and 142x12mm rear thru-axle compatibility. With end caps that are available separately, however, they're able to be converted to fit 20, 135, and 100mm standards. This wheelset is also tubeless-ready and comes in the color Black.

Tech Specs

[rim] carbon fiber, [spokes and hubs] aluminum
Rim Width:
[internal] 21 mm, [external] 29 mm
Front Hub:
Industry Nine Torch
Front Hub Type:
15mm QR
Rear Hub:
Industry Nine Torch
Rear Hub Type:
12x142mm thru-axle
7075 aluminum
Front Spoke Count:
Rear Spoke Count:
Axle Type:
15 mm, 12 mm
Brake Compatibility:
Rotor Compatibility:
Front Weight:
[rim only] 400 g
Rear Weight:
[rim only] 400 g
Recommended Use:
all mountain and cross country mountain biking
Manufacturer Warranty:
3 years

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