We made Crux, the lightest gravel bike in the world, even lighter. With the unrivaled capability of massive tire clearance and performance gravel geometry, it's not just the ultimate expression of gravel performance—it's your one-way ticket to gravel enlightenment.
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725g FACT 12r Carbon Frame: Lightest gravel bike frame in the world, Rider First Engineered™.
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SRAM RED XPLR 13-Speed: 10-46t cassette, Quarq power meter, wireless AXS shifting.
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47c / 650b x 2.1" Tire Clearance: Diverge-level clearance, go anywhere at full gas.
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Universal Derailleur Hanger (UDH): Future-proof, easy to replace anywhere in the world.
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Roval Terra CLX II Wheels: 32mm depth, 25mm internal width, ceramic SINC bearings.
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Roval Terra Carbon Cockpit: 103mm drop, 70mm reach, 12° flare, matched to frame size.
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Pathfinder Pro 700x40c Tires: Tubeless-ready, all-surface gravel compound.
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S-Works Power with Mirror Saddle: Body-mapped pressure relief, carbon rails.
Complete build at 6.94kg (56cm). Six sizes: 49, 52, 54, 56, 58, 61.
725g FACT 12r Carbon Frame
Lightest gravel bike frame in the world. We took the breakthroughs that made Aethos the lightest bike ever and applied them to Crux. Rider First Engineered™, threaded BB, 12x142mm thru-axle, flat-mount disc, UDH dropout.
SRAM RED XPLR Electronic Shifting
13-speed wireless AXS shifting with 10-46t cassette. RED E1 XPLR rear derailleur with updated lever ergonomics and brake calipers that reduce brake effort by up to 80%. Quarq power meter built into the 40T crankset.
Massive Tire Clearance
47c / 700b x 2.1" tire clearance. More clearance means more capability. Crux takes you anywhere you can imagine at full gas.
Roval Terra CLX II Wheels
Tubeless-ready carbon clinchers, 32mm depth, 25mm internal width. Roval LF13/LF14R2 hubs with ceramic SINC bearings. DT Swiss Aerolite spokes.
Performance Gravel Geometry
Nimble, supple, and reactive. Responsive at the pedals, supple in the saddle. Race-inspired fit with progressive stack/reach across six sizes.
Universal Derailleur Hanger (UDH)
Future-proof frame design. Replace your hanger anywhere in the world — no special ordering, no waiting.
Frameset
Frame
S-Works Crux FACT 12r Carbon, Rider First Engineered™, Threaded BB, 12x142mm thru-axle, flat-mount disc, UDH dropout
Fork
S-Works FACT Carbon, 12x100mm thru-axle, flat-mount disc
Seat Binder
Specialized Alloy, 30.0mm, titanium bolt
Brakes
Brake Levers
SRAM RED AXS E1, hydraulic disc
Drivetrain
Bottom Bracket
SRAM DUB BSA 68 Wide
Chain
SRAM Red XPLR, 13-speed
Crankset
SRAM RED E1 XPLR, DUB Wide, 40T
Powermeter
Quarq Power Meter, built into crankset
Cassette
SRAM RED XPLR E1, 13-speed, 10-46t
Rear Derailleur
SRAM RED AXS XPLR E1, 13-speed
Wheels & Tires
Front Wheel
Roval Terra CLX II, 25mm internal width, Tubeless Ready, 32mm depth, 21h, Roval LF13 hub with ceramic SINC bearings, Centerlock disc, DT Swiss Aerolite spokes
Rear Wheel
Roval Terra CLX II, 25mm internal width, Tubeless Ready, 32mm depth, 24h, Roval LF14R2 hub, Centerlock, DT Swiss EXP internals, SRAM XDR, DT Swiss Aerolite spokes
Front Tire
Pathfinder 700x40, Tubeless Ready
Rear Tire
Pathfinder 700x40, Tubeless Ready
Inner Tubes
700x32-50mm, 40mm Presta valve
Cockpit
Handlebars
Roval Terra, carbon, 103mm drop x 70mm reach x 12° flare
Stem
S-Works SL, alloy, titanium bolts, 6-degree rise
Seatpost
Roval Alpinist Carbon Seatpost
Saddle
S-Works Power with Mirror
Tape
Supacaz Super Sticky Kush