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G3-X
From cyclocross to gravel. Fast on any terrain.
The Colnago racing soul triumphs on dirt roads. The G3-X is the gravel bike for tackling any type of terrain in any season, designed for riding on dirt and muddy terrain, comfortable even over long distances The G3-X is made with a carbon monocoque frame and is designed to be fitted with disc brakes; the chain stays are wide enough to fit tyres up to a maximum of 40 millimetres.
Details
Series
V Series
Model
Colnago G3-X
Frame kit
Frame (material)
Monocoque carbon.
Fork (material, section notes)
Carbon fork for disc brakes, external cables, section with round circumference
Headset
ID30,1 OD41 36°/45° ID40 OD52 45°/45°
Seatpost
Carbon seatpost, 0.15 offset, "D-Shape" section
Through axles
Diameter: 12 mm. length 100 mm (front) - 142 mm (rear)
Drivetrain
Shifting system
Shimano GRX 820 2x
Front derailleur
Shimano GRX 2x: Shimano FD-RX820
Rear derailleur
Shimano GRX 2x: Shimano RD-RX820
Chain
Shimano GRX: Shimano CN-M8100 12V
Crankset
Shimano GRX 2x: 48-31T
Cassette
Shimano GRX 2x: 11-36 12v
Bottom bracket
Shimano SM-BB72-41B Press Fit Movement 86.5x41
Crank length
Sizes 42s - 48s
170 mm
Sizes 50s - 54s
172.5 mm
Sizes 56s - 58s
175 mm
Brakes
Brakes
Shimano RX-820, 160 mm Front / 160 mm Rear, RT-MT800-S rotors
Disc size
160 mm Front/ 160 mm Rear
Brake lever
Shimano ST-RX820
Brake caliper
Shimano RX-820
Wheels
Wheels
Fulcrum Rapid Red 900 DB | 2-Way Fit Ready (for tyre and tubeless ready)
Material
Rims: aluminium, Spokes: stainless steel.
Rim height
Front: 24 mm; Rear: 24 mm
Internal channel width
22 mm
Hubs
Aluminium, Sealed Cartridge Bearings
Through axles
Front: HH12-100 - Rear: HH12-142
Tyres
Pirelli Cinturato Gravel 40 TLR
Maximum tyre size
42 mm (nominal width)
Components
Saddle
"Prologo" Kappa BK
"Selle Italia" Model X BB FEC
Handlebar
Deda Gravel 100
Sizes 46s
Width: 400 mm
Sizes 49s - 55s
Width: 420 mm
Sizes 58s
Width: 440 mm
Stem
Deda ZERO1
Size 46s
Length: 90 mm
Size 49s
Length: 100 mm
Sizes 52s - 55s
Length: 110 mm
Sizes 58s
Length: 120 mm
Handlebar Tape
Colnago Grip Black
Bottle cage
Colnago Matt Black (1x)
Other accessories
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Sloping Geometry
Reach
371 mm
Stack
535 mm
O
539 mm
Fork
409 mm
Hs
102 mm
Ss
70.8°
Sc
75.0°
C
430 mm
A
588 mm
BB drop
70 mm
Default Components
Default crank length
170 mm
Default stem length
90 mm
Default handlebars width
400 mm
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Tyres up to 42 mm
 "The fork and rear stays, designed specifically for gravel riding, leave room for tyres up to 42 mm. Colnago")
The fork and rear stays, designed specifically for gravel riding, leave room for tyres up to 42 mm.
Mudguard
 "The G3-X is equipped with two protective plastic mudguards: one under the bottom bracket and one above the right chain stay to protect the chain from blows. Colnago")
The G3-X is equipped with two protective plastic mudguards: one under the bottom bracket and one above the right chain stay to protect the chain from blows.
Additional bottle holder
 "For longer adventures it may be necessary to add bags and bottle cages. This is why the G3-X is equipped with two rivets on the top tube and two under the down tube. Colnago")
For longer adventures it may be necessary to add bags and bottle cages. This is why the G3-X is equipped with two rivets on the top tube and two under the down tube.
Bottom bracket
 "Designed on the basis of our tried and tested Thread Fit82.5, which is basically a PressFit with bearings, it combines lightness and ease of handling. The grommet, usually a bolt-on plastic component, is now moulded to make it even lighter and offer the best shifting performance. Colnago")
Designed on the basis of our tried and tested Thread Fit82.5, which is basically a PressFit with bearings, it combines lightness and ease of handling. The grommet, usually a bolt-on plastic component, is now moulded to make it even lighter and offer the best shifting performance.
Seat post assembly
 "Inspired by the teardrop shape of the V3Rs seat post assembly, it not only enhances aerodynamic performance, but also blends into the overall design better than a simple 31.6 mm round seat post assembly. Colnago")
Inspired by the teardrop shape of the V3Rs seat post assembly, it not only enhances aerodynamic performance, but also blends into the overall design better than a simple 31.6 mm round seat post assembly.
Seat post clamp
 "The system that locks the seat tube assembly is fully integrated into the top tube. Lightweight and functional, it allows excellent fine-tuning of the clamping mechanism together with easy access to the screw head. Colnago")
The system that locks the seat tube assembly is fully integrated into the top tube. Lightweight and functional, it allows excellent fine-tuning of the clamping mechanism together with easy access to the screw head.
Speed and adventure
The Colnago G3-X fuses the mud-eating DNA of Colnago's legendary cyclo-cross bikes with the pure performance of the V-series to deliver unforgettable experiences for those seeking speed and precision on the roughest trails.
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Colnago Warranty
The product is covered by a 2-year statutory warranty. Colnago guarantees the product for a further year, bringing the total warranty to three years. To benefit from the extended warranty you must register your purchase on the Colnago website by clicking on this link.
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 "Questions? We’ll be pleased to give you the information you need. Colnago")
Questions? We’ll be pleased to give you the information you need.
