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all-new specialized crux

Lightest Weight

725 Grams

Most Capable

47c Tire Clearance


Nimble, Supple, Reactive

More Than the World’s Lightest Gravel Bike

The Crux is the lightest gravel bike in the world, with the exceptional capability of massive tire clearance and performance gravel geometry. But Specialized didn’t just want to make the ultimate expression of gravel performance, they wanted to make you one with everything.

725G FRAME/7.25KG COMPLETE Lightest Weight

Specialized took the revolutionary breakthroughs that made Aethos the lightest bike ever and applied them to the Crux. The result? A gravel bike that climbs like a dream and floats over nightmarish terrain with a frame that weighs less than a full bottle in your cage.

a frame that weighs less than a full bottle in your cage

HEY LAZY CARBON, BEAT IT! Reinventing Round

A “eureka” moment led Peter Denk to reimagine what was possible with carbon and redefine the lightweight road bike with the 585 gram Aethos. When Road and Gravel Product Leader, Stewart Thompson, saw this breakthrough, he knew it would change gravel riding forever. The all-new Crux was born.

47C/650B X 2.1” TIRE CLEARANCE Most Capable

More clearance means more capability. With Diverge-level tire clearance, Crux takes you anywhere you can imagine, at full gas.

THE SWEET SPOT Clearance to Weight Ratio

Introducing CTW, because we all know the industry needs a new standard. But seriously, nothing unlocks a gravel bike’s full potential like the combination of an ultra-lightweight frame with massive tire clearance. How does the competition stand up?*

*Based on published competitor claims.

weight to tire clearance chart


Responsive at the pedals. Supple in the saddle. With performance gravel geometry and race-influenced fit inspired by Crux’s iconic history in ‘cross.

Long Reach, Low Stack, 72mm Drop

Specialized Crux