Trek’s Boone and Crockett CX bikes upgraded for 2015

Thru-axle forks and updated paint schemes highlight new cyclocross rigs

2015 Trek Boone 9 Disc

The 2015 Trek Boone 9 Disc, MSRP $4,730.

One of our favorite test bikes from 2014 has gotten some nice upgrades for 2015. Trek announced this week that this year’s Boone and Crockett cyclocross bikes will now be available with 15mm thru-axle forks. The rear end on both bikes continues to use standard quick releases.

Both lines have also seen some changes to spec, which helped bring pricepoints down. Last year’s flagship full carbon Boone 9 Disc came outfitted with Shimano Ultegra Di2 electronic shifting and retailed for $6,300. The 2015 Boone 9 Disc opts for mechanical Ultegra, which lowers price to $4,730.

Trek Boone 9 Disc

We loved last year’s Trek Boone 9 Disc. The addition of a thru-axle fork will only make it better.

From a racing standpoint, we’d certainly miss the precision, speed and reliability of the electronic system. Being able to move through so many gears so quickly is a really nice feature, and the Ultegra Di2 was all but impervious to mud. But standard Ultegra isn’t exactly slumming it and you’re saving $1,570.

It’s a similar story with the alloy-framed Crockett 9 Disc. Last year’s model retailed for $5,250 and had Ultegra Di2; this year’s model reverts to mechanical Ultegra and runs $2,890. You can see full price and spec breakdowns of all the 2014 and 2015 Trek CX bikes here.

Check out U.S. national cyclocross champion Katie Compton’s fleet of Trek Boone CX bikes.

2015 Trek Crockett 9 Disc

The new 2015 Trek Crockett 9 Disc, MSRP $2,890

The new models also get updated paint schemes, which Trek jokingly says, “will result in a 16.2% increase in mid-race hand ups and an 117.4% increase in calling your bike a ‘whip.’ Trust us-we use science and stuff.”

Kidding aside, the new paint jobs look nice enough, though certainly not the kind of stuff that would stop you on the street. That’s not the case with the addition of thru-axles, which we’re very happy to see. As anyone who made the transition in the mountain bike realm knows, thru-axles deliver a more precise and confident steering feel, and reduce fork flex. It’s also far easier to maintain tight, but noise free tolerances between rotor and caliper with a thru-axle rather than a QR.

Trek Boone Decoupler

The hallmark of the Boone remains the frame’s IsoSpeed decoupler, which is essentially a small amount of suspension in the form of a unique seat tube-top tube junction that allows the bike to flex under impact.

There are two versions of the new fork. Model year 2015 Crockett 5 Disc and Boone 5 Disc will come spec’d with the carbon thru-axle fork with an aluminum steerer, while the Crockett 9 Disc, Boone 9 Disc, Crockett Disc frameset, and Boone Disc frameset will feature a full carbon thru-axle fork with carbon steerer tubes. The full-carbon version is claimed to be 120 grams lighter than the fork with aluminum steerer.

Owners of the previous model year Boone and Crockett will also be able to upgrade to the new thru-axle fork. Pricing is not yet available. Framesets will be available in both disc and canti versions for those who prefer to do parts build-up themselves.

For more information and photos of all the new bikes, check out the photo gallery below and visit

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 all over the globe. Sumner, who joined the / staff in 2013, has also done extensive gear testing and is the author of the cycling guide book "75 Classic Rides: Colorado." When not writing or riding, the native Coloradoan can be found enjoying time with his wife Lisa and daughter Cora.

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  • conscience of a conservative says:

    Seems DI2 has less buzz this year. A shift is a shift and nobody is getting from point A to point B faster because of electronic shifting. Mechanical Ultegra is a great solution. Too bad Trek isn’t making this bike with a conventional bottom bracket, then they’d have something truly special.

  • aclinjury says:

    So.. a basically what we have here is a $6300 fun bike for the dirt (which can be accomplished by any carbon rigid mtb bike) that comes in two versions, one with an carbon steerer and one with an aluminum steerer. I guess this also implies that a carbon steerer is weaker than aluminum eh (why else go thru the trouble of manufacturing 2 separate steerers). I would buy it. Next year’s model will promise to give additional upgrades by using a wider 142 mm thru axel rear spacing (you know, wider is stiffer is better, etc). But hey, you will also be allowed to upgrade via a trade-in too, for a price of course. No thanks. I’ll just stick to my rigid mtb bike, you know, a real cx bike

    • Josh says:

      There’s nothing wrong with a rigid MTB aside from being designed for technical riding, not efficiency. CX bikes bridge the gap between mountain bike technical chops and road bike speed/efficiency.

      As far as the fork, they say the aluminum steer fork weighs 550g…so its not exactly a porker. 12×142….I don’t see the point. There just isn’t a requirement for that kind of lateral stiffness. I guess it’s nice to have. but far from game changing performance.

      I have a ’14 boon, and will be running 9/10mm thru-bolts (F/R) and that should be more than enough. I don’t even have a complaint about the QRs now.

  • Jody Jernigan says:

    Boone 9disc not only loses the di2 but the awesome HED wheelset. I own a boone 9disc and wouldn’t trade the di2 for any amount of price difference. Great bike.

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