A balanced gravel racing bike, to perform at its best in every context
The G4-X is the result of optimizing all those factors that are important when you have to compete or go hard on dirt roads: handling, lightness, downhill rideability, stability, frame responsiveness, and, like all Colnago bikes, surprisingly wonderful to ride. The G4-X can fit tires with a maximum nominal width of 45mm. For longer adventures it may be necessary to add bags and bottle cages. This is why the G4-X is equipped with four mounting points for bottlecages or small bags. There is a new seatpost lock, designed to withstand more tightening torque and guarantee stability and safety during intense off-road riding. The perfect harmony of the elements, a balanced gravel bike. Colnago G4-X is a bike that demands to be pedaled fast, without sacrificing handling and riding pleasure.
Shimano GRX 820 2x
- Series: V Series
- Model: Colnago G4-X
- Frame (material): Monocoque carbon.
- Fork (material, section notes): Carbon fork for disc brakes, external cables, section with round circumference
- Headset: bearings ACROS ss 42x52x7mm - 40x52x7mm
- Seatpost: Carbon seatpost, 0.15 offset, "D-Shape" section
- Through axles: Diameter: 12 mm. length 100 mm (front) - 142 mm (rear)
- 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 braket: Shimano SM-BB72-41B Press Fit Movement 86.5x41
- Crank length: Sizes 450 - 480 170 mm; Sizes 520 - 540 172.5 mm; Sizes 570 175 mm
- 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: 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)
- Saddle: "Prologo" Kappa BK, "Selle Italia" Model X BB FEC
- Handlebar: Deda Gravel 100; size 46s: width: 400 mm; size 49s - 55s: width: 420 mm; size 58s: width: 440 mm
- Stem: Deda ZERO1; size 46s: width: 90 mm; size 49s: width: 100 mm; size 52s - 55s: width: 110 mm; size 58s: width: 120 mm
- Handlebar Tape: Colnago Grip Black
- Bottle cage: Colnago Matt Black (1x)
