American Classic All Mountain Wheelset Review

Pro Reviews

Disc 225 135mm
The rear hub uses a patented six pawl cam, and 24 ratchet teeth for engagement with the pawls. To be exact, the six pawl cam actuated engagement system consists of six double-tipped pawls, which engage in unison with 12 of the 24 ratchet teeth on the cassette. Whoa!

The Disc 225 has been in their product line for many years, and weighs in at 225 grams (not verified). The hub has a 17mm axle, and a one piece forged 7075 aluminum cassette body. One new feature on the rear hub is steel inserts/attachments on the aluminum cassette body to prevent galling and tearing of the cassette body. Aluminum cassette bodies are lightweight, but are soft, so they are prone to damage from a cassette’s interaction during drivetrain use. Bill Shook came up with a brilliant idea to add a couple of steel inserts on the splines, so that the tougher steel can take the abuse, and you still get the lightweight of the mostly aluminum cassette body.

On the left is an aluminum cassette body and the gouging damage that occurs through normal usage, while on the right is the newer steel faced American Classic aluminum cassette body, notice the significantly less damage that has occurred:

The steel face design is very innovative, and will not only increase the longevity of the cassette body, but it will keep the tolerances tight with better drivetrain performance. The Disc 225 has been reliable (one minor tightening required), and stiff, although it would have been nice to have a bolt on 10mm instead of the wimpy QR’s. The hub was extremely quiet, and I hardly ever noticed that they were buzzing along while riding.

Next » Impressions

About the author: Brian Mullin

Brian has been part of the Mtbr team since 2007, where he has become an integral member of the review and test staff, specializing in technical articles. He likes to push the limits in all the sports he obsesses in, whether it's mountain biking, whitewater kayaking, extreme skiing, or sport climbing. He takes those same strengths and a good dose of insanity to his reviewing and writing on mountain biking products, creating technical, in-depth and hyperbolic articles. Whenever he's not on the bike, he might be found watching MotoGP racing, otherwise look for him out on extremely technical singletrack.


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  • derek says:

    I’ve used AmClassic wheelsets for many years on both mtn and road bikes. Great value, excellent performance durability. The new engagement design addresses the only minor weakness of the American Classic rear hubs as I would have preferred more engagement points. Can’t wait until the new engagement design crosses over to the XC wheelsets if they haven’t done so already.

  • leel says:

    That steel inserts into aluminium body trick is very well thought out

  • Rae says:

    hey Brian, thanks for the review. I’m thinking of purchasing a set of these wheels and convert them to tubeless. I was just wondering if you used the Standard or Freeride rim strip. Thanks.

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