FSA K-Force Light AGX wheelset review

Lightweight and semi-aero carbon hoops for gravel and cross

FSA K-Force Light AGX Wheelset

For $1200, you’ll be hard pressed to find another set of carbon tubeless clinchers in this weight range.

What is it

The FSA K-Force Light AGX tubeless disc carbon wheels are 25mm deep, have a 21.5mm internal rim width, and weigh 1465g. Read on to find out how they fared on the road less traveled.

  • Great price for carbon wheels
  • Lightweight and semi-aero shape that holds speed well
  • Axles easily convert from 12 to 15mm, and 142 to 148mm with included adapters
  • Quick engagement in freehub, with minimal drag
  • Graphics package will match a variety of bikes
  • Some tires setup tubeless easier than others
  • Wide rim makes 33mm tubeless tires too wide for UCI cross racing
  • Aftermarket 12mm adapter is not included
RoadBikeReview’s Take

Gravel road riding is all the rage right now, and the cycling market is exploding with new off-road gear. FSA is no stranger to the gravel world, having released its Adventure Series cranks and bars some years back.

FSA K-Force Light AGX Wheelset

The wider rims (and associated tire girth) help enhance cornering traction.

The new AGX series targets the carbon crowd, racer types that would rather pin on a number than chug a beer at an aid station. Released under the K-Force line, they are carbon, lightweight, and designed to put you on the pointy end of whatever ride you take on.

The FSA K-Force Light AGX wheels look great, with matte black hub logos and a glossy rim aesthetic. They come stock with thru axle compatibility, and endcaps that allow for conversion to QR. The only disappointment is that you’ll need to make an aftermarket purchase to run 12mm thru-axles, which is currently the most common gravel/road fork style.

FSA K-Force Light AGX Wheelset

The FSA K-Force Light AGX wheelset comes with swappable endcaps that allow for compatibility a myriad of axle standards.

At $1200, the FSA K-Force Light AGX wheels are competitively priced, and in most instances around $400 less expensive than comparable carbon disc wheel options.

The asymmetrical rim shape allows for a higher all around spoke tension, which is especially important for the rigors of gravel road riding.

FSA K-Force Light AGX Wheelset

This Vittoria tire was the only one I found that conformed to the UCI cyclocross width rule. All others were too wide on these wheels.

Tubeless setup was a mixed bag. When I mounted the Donnelly MXP and Ere Research tires, I had zero issues using a floor pump. But Bontrager’s CX3s were a different story. I had a hard time getting them to seat , and suffered burping when running lower air pressures. That said, I had zero trouble (or flats) with the MXPs, even when running them as low as 19 psi.

Bottom line, if you’re looking to lighten up your gravel rig or take the leap into tubeless cyclocross, the FSA K-Force Light AGX is a great option. And at $1200 with endless axel compatibility, you’ll be hard pressed to find another set of carbon tubeless clinchers in this weight range.

FSA K-Force Light AGX Wheelset

The FSA K-Force Light AGX rims measure 21.5mm internal and are 25mm deep.

Rating: 4.5 out of 5.0
Price: $1200
More Info: www.fullspeedahead.com.

About the author: Jordan Villella

Jordan comes from the steep streets of Pittsburgh PA, where he learned to dodge cars and rip single track. He has been involved in nearly every aspect of the cycling industry: from turning wrenches, store design, clothing production and bike park creation. Jordan spends his free time racing cross country and cyclocross around North America, though he has been know to enduro every now and then. His love of cycling is only second to his love of his family and punk rock.

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