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The Crux 5 was born from the fastest gravel race bike ever made. Not just because it’s the lightest. Not just because it’s our most aero.
The Crux 5 was born from the fastest gravel race bike ever made. Not just because it’s the lightest. Not just because it’s our most aero. Not just because it handles dirt like a Tarmac handles pavement. But because it delivers the lowest real-world Time to Finish of any gravel bike ever made. Crux 5 turns more of your effort into pure speed—validated across real race courses, real terrain, and real riders. When the goal is the top step, nothing in gravel gets you there faster.
Frame
Crux 5 FACT 10r 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
Front Brake
Shimano GRX BR-RX820
Rear Brake
Shimano GRX BR-RX820
Shift Levers
Shiimano GRX ST-RX820
Rear Derailleur
Shimano GRX RD-RX822-GS, 12-speed
Cassette
Shimano XT CS-M8100, 12-speed, 10-45t
Chain
Shimano XT CN-M8100, 12-speed
Crankset
Shimano GRX FC-RX820, 40t
Bottom Bracket
Shimano Threaded BSA BB
Front Tire
Pathfinder 700x45, Tubeless Ready
Front Wheel
DT Swiss G500 rim, 26mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples
Rear Tire
Pathfinder 700x45, Tubeless Ready
Rear Wheel
DT Swiss G500 rim, 26mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples
Inner Tubes
700x32-50mm, 40mm Presta valve
Stem
Roval Rapide, alloy, 4 bolt, -6 degrees
Handlebars
Specialized Adventure Gear, 118.9mm drop x 70mm reach x 12º flare
Tape
Supacaz Super Sticky Kush
Saddle
Body Geometry Power Sport, steel rails
SeatPost
S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset
Seat Binder
Integrated Wedge
Product ID
312531
Weight
8.94 kg (19 lb, 11.3 oz)
Weight Size
56
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