The Specialized 2025 Crux Expert Bicycle is the world’s lightest gravel bike, engineered for peak performance with exceptional capability. With an ultra-light 825g 10r carbon frame, derived from the revolutionary Aethos design, the Crux delivers a responsive ride that excels in climbing and handling rugged terrain. It features an industry-leading 47c/650b x 2.1” tire clearance, providing unmatched versatility and control over gravel and technical trails. Its race-inspired geometry ensures a nimble, supple, and reactive ride, making it the perfect companion for high-speed adventures and off-road challenges. Equipped with a Rider First Engineered™ FACT 10r Carbon frameset and an S-Works FACT Carbon fork, the Crux combines strength and compliance for an optimal riding experience.

The Crux Expert is built with a high-performance SRAM Rival eTap AXS hydraulic disc groupset, delivering precise, wireless electronic shifting. Roval Terra C Disc wheels, paired with 700x38mm Pathfinder Pro tires, offer durability and traction for unpredictable terrain. The cockpit is fitted with Specialized Adventure Gear handlebars, a Body Geometry Power Expert saddle with titanium rails, and a Roval Terra Carbon seat post for comfort and control. Weighing just 8.07kg (17 lb, 12.7 oz), the Crux Expert is the ultimate expression of gravel riding, designed for those who demand lightweight efficiency, responsive handling, and all-terrain capability.