Shimano Dura-Ace C24 9100 wheels review

The Dura-Ace aluminium/carbon climbing wheel has excellent credentials for a lower price than you might expect

Shimano Dura-Ace C24 wheels
Cycling Weekly Verdict

So they’re not crazy lightweight and crazy stiff unlike some carbon climbing wheels, but for the money you’re still getting an impressive lack of grams and a good quality product despite the slightly raised front rim joint. In addition, the C24s are far more versatile and certainly not too fragile or expensive to be used all year round.

Reasons to buy
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    Good looking

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    Super-smooth (and adjustable) bearings

Reasons to avoid
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    Rim joint slightly raised when new

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    Narrower than modern wheels

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The Shimano Dura-Ace C24 clinchers have been in Shimano’s range for a while, using the same aluminium and carbon hybrid design but with updated graphics to match the latest iteration of the flagship Dura-Ace groupset, 9100. For that reason the C24s stay relatively cheap, and indeed it’s easy to find them online at well below their SRP of just under a grand, with the 9000 version even cheaper if you can still find them.

As you’d expect of a Dura-Ace level wheel, it’s a high-quality product with some standout bits such as a titanium freehub body and beautifully milled hubs.

In fact, the Shimano Dura-Ace C24 is a really good-looking wheel all over, with a slightly old-school, spindly aesthetic thanks to the shallow-section rims (21mm at the front and 24mm out back), low spoke count and aluminium brake track (alleluia, some will shout). The rim width stays narrow, helping keep weight low by reducing material.

Shimano Dura-Ace C24

Titanium freehub body comes as standard with the C24s

Our test set weighed 1,471g, slightly over their quoted weight (by Shimano) of 1,452g, though most retailers seem to have a slightly lower weight again of 1,389g.

We found the Shimano Dura-Ace C24 supplied a very nice ride quality. For a relatively light wheel with a rim not as resistant to deflection as a deep-section carbon rim they were stiff enough, too. Widely spaced hub flanges and a high spoke tension help these wheels perform very well up steep climbs, with no rubbing of close-set brake pads.

The fact that the rims are narrow, with an external diameter of 20.8mm compared to the new-style, wider rims measuring 25 or 26mm across the brake track, means a skinnier, longer contact patch and taller rather than fatter tyre, but brake calipers can exert more force on the rim when they're not wide open, so there are certainly pros and cons.

Shimano Dura-Ace C24 wheels

Aluminium brake track gives reliable stopping

And of course braking is excellent with the ‘normal’ pads on an aluminium braking surface but it was possible to feel – and hear – the joint of the front rim, something we didn’t expect from a Dura-Ace component. We haven’t put enough miles on them yet to find out, but we imagine this will wear smooth shortly.

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