COLNAGO G3-X GRX 810 - G3SB (Sand)

The Colnago G3-X combines speed on all terrain with a reasonable price tag for fun and performance wherever you go. This bike focuses more on a racing feel than the backpacking route some other gravel bikes take. The G3-X takes a ton of hints from Colnago’s highly-touted road bikes and adjusts them to promote performance on less forgiving terrain. With this kind of focus on speed, Colnago has declared it the world’s fastest gravel bike. Get ready for pure speed on and off the road.

The frame of the G3-X started with Colnago’s road success and was altered to suit gravel racing. The frame is optimized around a 40mm tire for optimal comfort on tough terrain. The stiffness is claimed to be the same as their flagship V3Rs road race bike but with an altered carbon construction. Targeted areas on this bike utilize thickened tube walls to reduce the risk of damage to the frame. Rubber guards are also featured on various parts of the frame to avoid carbon damage. Despite all of this extra attention to durability, the frame comes in at just 900 grams.

The geometry of the frame was also created with Colnago road bikes in mind and adjusted appropriately. The G3-X contains an adjusted reach that is more suitable to maintaining control on all-road terrain. The bottom bracket has been adjusted to accommodate smoother shifting. The seatpost balances speed with comfort, featuring an aero profile along with excellent vertical compliance. This version of the G3-X is equipped with a Shimano GRX 810 groupset for gravel-specific 12-speed shifting at a reasonable price. Its 2x setup is perfect for riders who want a wide gear range. The Colnago G3-X takes the race-loving history of Colnago and branches out to a broad range of exploration.

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 822 1x

Front derailleur

(This groupset has a single chainring)

Rear derailleur

Shimano GRX 1x: Shimano RD-RX822-SGS

Chain

Shimano GRX: Shimano CN-M8100 12V

Crankset

Shimano GRX 1x: 42T

Cassette

Shimano GRX 1x: 10-51 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: 24.1 mm; Rear: 24.1 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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