Colnago G4X gravel bike with Sram Rival 1x13-speed groupset, Vision SC45 PIGR

The G4-X Colnago is a gravel bike designed for cyclists seeking speed, performance and versatility across all types of terrain. Drawing on Colnago ’s experience in competitive cycling and cyclo-cross, it offers precise and responsive handling, equally at home on long, rolling stretches as on more technical sections.

Its monocoque carbon frame combines lightness, stiffness and comfort to ensure excellent control on challenging rides. The 13-speed SRAM Rival XPLR drivetrain delivers rapid gear changes and an ideal gear range for switching between dynamic sprints and more demanding sections.

This build stands out for its Vision SC45 carbon wheels, which improve aerodynamics and efficiency whilst maintaining good stability on trails. Compatible with tyres up to 45 mm, the G4-X offers the perfect balance between efficiency, traction and comfort to push the boundaries of modern gravel cycling.

Please note that the photo is for illustrative purposes only; this bike is fitted with the SRAM Rival 13-speed groupset and Vision SC45 wheels.

Technical specifications:

Frame & Fork:

- Frame: Colnago V Series Monocoque Carbon Gravel (685g), 12×142mm thru-axle
- Fork: Carbon fork for disc brakes, integrated cables, semi-circular cross-section (342g), 12×100mm thru-axle
- Headset: ACROS ss 42x52x7mm – 40x52x7mm
- Bottom bracket: T47 Sram DUB Road

Drivetrain:

- Shifters: Sram Rival 1x13-speed
- Rear derailleur: Sram Rival 1x13-speed
- Crankset: Sram Rival 1x13-speed
- Cassette: XG Sram Rival
- Chain: Sram Rival 1x13-speed

Brakes: 

- Disc brakes: SRAM Rival 1x13-speed

Wheels & Tyres:

- Wheels: Vision SC45 carbon
- Rim height: 45 mm
- Internal width: 21 mm
- Tyres: Pirelli Cinturato Gravel 40 TLR

Components: 

- Handlebars: Cockpit CC01
- Stem: Cockpit CC01
- Saddle: Prologo Dimension
- Seatpost: Colnago carbon “D-Shape”, 15 mm offset
- Bottle cage: Colnago Matt Black

General information:

- Colour: PIGR / Green
- Sizes: 45, 48, 52, 54, 57
- Brand: Colnago