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  • Knight 29 Race/Project 321 Boost Wheelset
  • Knight 29 Race/Project 321 Boost Wheelset Rear
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  • Detail Images - Rear
Knight29 Race/Project 321 Boost Wheelset

Item # KNI000A

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  • UD Carbon,SRAM XD,15x110/12x148mm,6-bolt ($2,199.00)
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Item # KNI000A

Take the podium.

In an effort to create one wheel that combines the design elements of road, trail, and cyclocross, and be both fast enough for race day and durable enough for every day, Knight came up with the 29 Race/Project 321 Boost Wheelset. Its design actually started out as a gravel specific wheel, but when it exceeded the expectations of their UCI Elite OMX Team, they decided it couldn't be put in a single box.

The wide and hookless rim is constructed using an exceptionally durable EPS molding process to give it smooth vibration dampening and quick acceleration when you step on the gas, while the carbon also delivers stiff, light, and compliant performance on a variety of surfaces. Thoughtfully angled flanges on the Project 321 Iso hubs create a more stable and true wheel and eliminate any unnecessary stress on the spokes. The adjusted angle of the flanges is slightly inward to mirror the angle of the spokes and remove any interference that might otherwise create stress points and reduce the strength of the wheel.

  • Lightweight carbon wheelset for versatile race endeavors
  • Carbon fiber delivers lightweight, smooth, strong riding
  • Wide 22.5mm internal rim provides stable tire platform
  • Shockingly fast engagement from Project 321 Iso hubset
  • Stiff, responsive Boost axle spacing
Tech SpecsWeight
Tech Specs
Rim Material
EPS molded carbon fiber
Wheel Size
Rim Depth
Rim Width
[external] 27.5mm, [internal] 22.5mm
Brake Compatibility
6-bolt disc
Project 321 ISO
Front Axle
15mm Boost
Rear Axle
12x148mm Boost
Recommended Use
cross-country, trail

Actual Weight

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

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UD Carbon,SRAM XD,15x110/12x148mm,6-bolt

Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

[rim] 355g, [wheel set] 1325g

Reviews & Community


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Avg. ride time: 3h 43m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Wicked fast and great hubs

  • Familiarity: I've put it through the wringer

I purchased these wheels for a marathon bike, and they do not disappoint. They are very light, fit Schwalbe and Vittoria tires tubeless with ease, and have been trouble free. The Project 321 hubs have very little friction, similar to Industry Nine and much lower than King hubs. And the don't howl as loud as either of those.
I had some concern with these wheels and my 180 lbs being an issue. I contacted Knight and the owner himself responded with assurance that these wheels can take 200 pounders with no problem. I have ridden them hard for several hundred miles and not a wobble or pinch flat to speak of.