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2039998 / 54371526246746

Product Details

Specialized Crux 5 Sport Gravel Bike

The Crux 5 Sport is designed for the purist who demands the speed of the world’s fastest gravel frame paired with the legendary reliability of mechanical shifting. Built upon a FACT 10r carbon frame weighing just 897 grams, this bike inherits the exact geometry and performance characteristics of the elite S-Works models. It provides a lightweight, responsive platform that handles technical dirt sections with the same surgical precision as a Tarmac handles asphalt. By focusing on a power-to-weight ratio that remains highly competitive at 8.94 kilograms, the Sport model ensures that your energy is focused entirely on forward progress, making it an exceptional choice for riders who want a high-performance race bike that is as simple to maintain as it is fast.

Aerodynamic Efficiency and Durable Construction

Achieving the lowest real-world time to finish requires more than just low weight; it requires a bike that can slice through the wind over hours of racing. The Crux 5 Sport utilizes a Rapide stem and an alloy handlebar to create a cockpit that is both aerodynamically efficient and incredibly robust for high-torque efforts. This is complemented by the DT G-500 wheelset, which offers the perfect blend of durability and rolling efficiency required for the unpredictable surfaces found in modern gravel racing. Whether you are navigating deep sand or high-speed fire roads, these components work together to minimise drag and maximise stability, ensuring that your effort is never hindered by your equipment.

Reliable Mechanical Precision and Control

The heart of the Crux 5 Sport is the Shimano GRX 800 mechanical 12-speed drivetrain, a system revered for its tactile feedback and flawless performance in the harshest environments. The ergonomic levers are specifically designed for off-road use, providing secure braking and effortless shifting even when navigating bumpy descents or steep gradients. This mechanical setup offers a wide gear range that allows you to maintain a steady cadence through varied terrain without the need for battery management. When combined with a frame that is validated across real race courses, this bike delivers a dependable and incredibly fast racing experience that empowers you to chase the top step of the podium with total confidence.

Features
  • 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
  • Tape: Supacaz Super Sticky Kush
  • Stem: Roval Rapide, alloy, 4 bolt, -6 degrees
  • Handlebar: Specialized Adventure Gear, 118.9mm drop x 70mm reach x 12º flare
  • Front Brake: Shimano GRX BR-RX820
  • Rear Brake: Shimano GRX BR-RX820
  • Rear Derailleur: Shimano GRX RD-RX822-GS, 12-speed
  • Shift Levers: Shiimano GRX ST-RX820
  • Cassette: Shimano XT CS-M8100, 12-speed, 10-45t
  • Crankset: Shimano GRX FC-RX820, 40t
  • Bottom Bracket: Shimano Threaded BSA BB
  • Chain: Shimano XT CN-M8100, 12-speed
  • 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 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
  • Front Tyre: Pathfinder 700x45, Tubeless Ready
  • Rear Tyre: Pathfinder 700x45, Tubeless Ready
  • Inner Tubes: 700x32-50mm, 40mm Presta valve
  • Seat Post: S-Works Tarmac SL8 Carbon seat post, FACT Carbon, 15mm offset, Lightweight Saddle Clamp
  • Seat Binder: Integrated Wedge
  • Saddle: Body Geometry Power Sport, steel rails
  • Weight: 8.94 kg (Size: 56)
Specifications
Model
Crux 5 Sport
Bottom Bracket [Maker]
Shimano
Bottom Bracket Standard
BSA
Brakes [Kind]
Hydraulic Disc
Brakes [Maker]
Shimano
Brakes [Model]
GRX BR-RX820
Cassette [Gearing]
10–45
Cassette [Maker]
Shimano
Cassette [Model]
XT CS-M8100
Chain [Maker]
Shimano
Chain [Model]
XT CN-M8100
Chainring [Gearing]
40
Crank [Maker]
Shimano
Crank [Model]
GRX FC-RX820
Discipline Compatibility
Gravel
E-Bike
No
F Hub [Maker]
Specialized
Family
Crux
Fenders Mounts
No
Fork [Axle Diameter]
12 mm
Fork [Axle Type]
12x100mm Thru-Axle
Fork [Brake Type]
Disc
Fork [Maker]
Specialized
Fork [Material]
Carbon
Fork [Model]
S-Works FACT Carbon
Fork [Travel]
0 mm
Fork [Wheel Size]
700c
Frame [Hanger Standard]
UDH
Frame [Material]
Carbon
Frame [Tire Clearance]
45c mm
Frame [Travel]
0 mm
Frameset
No
Gearing [Configuration]
1x
Gearing [Kind]
Conventional
Gender
Unisex
Handlebar [Drop]
118.9 mm
Handlebar [Flare]
12 degree
Handlebar [Kind]
Drop
Handlebar [Maker]
Specialized
Handlebar [Material]
Aluminium
Handlebar [Reach]
70 mm
Handlebar [Shape]
Drop
R Hub [Maker]
Specialized
Rack Mounts
No
RD [Maker]
Shimano
RD [Model]
GRX RD-RX822-GS
Saddle [3D Printed]
No
Saddle [Maker]
body-geometry
Saddle [Material]
Steel
Seatpost [Kind]
Rigid
Seatpost [Maker]
Specialized
Seatpost [Material]
Carbon
Seatpost [Offset]
15 mm
Shifters [Maker]
Shimano
Shifters [Model]
GRX ST-RX820
Shifting
Mechanical
Stem [Angle]
-6 degree
Stem [Maker]
Roval
Stem [Material]
Aluminium
Sub Family
Crux 5
Suspension Configuration
Rigid
Tires [Maker]
Specialized
Tires [Width]
45 mm
Wheels [Configuration]
Front+Rear
Wheels [Kinds]
Tubeless Ready
Wheelset [Inner Width]
26 mm
Wheelset [Maker]
DT Swiss
Wheelset [Material]
Aluminium
Wheelset [Model]
G500
Product code
2039998 / 54371526246746
Size Guide
495254565861
Seat Tube Length (mm)445456473497515545
Seat Tube Angle75.5°74.5°74.5°74°74°74°
Top Tupe Length, horizontal (mm)512534543566583603
Head Angle70.5°70.75°71°71.5°71.5°71.5°
Head Tube Length95110125142163188
Fork Length, Full (mm)401401401401401401
Fork Rake515151515151
Fork-Center (mm)594604613626644665
Chainstay Length425425425425425425
Wheelbase100810161026103910571078
Stack530547560578598621
Reach375382388400412425
B-B Height (mm)278278280280280280
B-B Drop, low (mm)808078787878
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Shipping & Returns

Free UK delivery on orders over £50. Orders are dispatched within 1-2 working days and typically arrive 1-2 working days later.

Return unused items in their original packaging within 30 days of delivery. Return postage is £3.50.

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About Specialized

Innovate or die.

Founded in California in 1974, Specialized began with a simple promise: serious riders deserve serious gear. Half a century later, the brand still funds its own wind tunnel, builds its own carbon, and tests every bike with the world's best so that you ride your own best.

The first production mountain bike. The first cycling-specific shoes. FACT carbon, the Win Tunnel, S-Works. Specialized has a habit of building the things the rest of cycling ends up copying.