S-Works Crux Frameset - FACT 12r Carbon

S-Works Crux Frameset - FACT 12r Carbon

The S-Works Crux Frameset - FACT 12r Carbon is the range-topping expression of Specialized's Crux platform: the lightest gravel bike in the world, with the exceptional capability of massive tyre clearance and performance gravel geometry. At a claimed 725 grams, the FACT 12r frame is the lightest in the current Crux line-up, built using the same construction breakthroughs that made the Aethos the lightest road bike ever, applied here to gravel. It's not just the ultimate expression of gravel performance — it's your one-way ticket to gravel enlightenment, supplied as a premium frameset ready for a genuine top-tier build.

Product details

Key features

• Class-leading FACT 12r Carbon frame: a claimed 725-gram frame — the lightest in the Crux range — converts every watt into forward motion.
• Massive tyre clearance: fits up to 47c on 700c or 2.1" on 650b wheels for genuine mixed-terrain capability.
• Included FACT Carbon seatpost: ships with a FACT Carbon seatpost featuring Specialized's CG-R compliance system for extra comfort over rough gravel.
• Race-tuned geometry: a 71.25° head tube angle and 47mm fork offset (reference size; varies across the size range) deliver quick, confident handling.
• UDH-compatible drop-out: the SRAM Universal Derailleur Hanger standard keeps the platform future-proofed for the latest 1x drivetrains.
• Frame: S-Works Crux FACT 12r Carbon, Rider First Engineered™, threaded BB, 12x142mm rear thru-axle, flat-mount disc, UDH dropout — 725g claimed weight
• Fork: S-Works FACT Carbon, 12x100mm thru-axle, flat-mount disc, three-bolt cargo mounts each leg — approx. 350g
• Bottom Bracket: Threaded (BSA)