![Colnago G4-X Shimano GRX RX820 2x12s Fulcrum Rapid Red 900](https://media.peruffo.com/img/p/1/2/8/0/5/12805.jpg)
![Colnago G4-X Shimano GRX RX820 2x12s Fulcrum Rapid Red 900](https://media.peruffo.com/img/p/1/2/8/0/5/12805.jpg)
Colnago G4X: a balanced gravel bike, designed to excel on any terrain.
Colnago G4-X Shimano GRX RX820 2x12s Fulcrum Rapid Red 900: is the result of the optimization of all those factors crucial to compete or push to the maximum on dirt roads: handling, lightness, downhill driving ability, stability, reactivity of the frame and, Like all Colnago bikes, it offers a surprisingly wonderful riding experience.