Colnago G3-X Gravel Frameset

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The G3-X isn’t Colnago’s first foray off-road. First there was the Prestige, a World Cup winning cyclocross bike. Then came the Prestige GRV, a gravel orientated build with cross roots. Perhaps it is this third iteration that accounts for the 3 in the G3-X’s name. Or it mirrors the V3-R’s letter-number-letter naming. Either way, the G3-X is an exciting, new frame in the #groadie universe.

The G3-X also employs Colnago’s Threadfit BB82.5 bottom bracket standard, which is used in other high-end Colnago models such as the V3-RS and C64. Not quite a different bottom bracket standard, the Threadfit cups act like a bottom bracket for your bottom bracket. The cups screw into the frame, creating a smooth, perfectly machined space for any Pressfit BB adapter and crankset of choice. It acts like a protective layer so that the cups, not the frame, absorbs the abuse of the crankset. And if it ever becomes damaged, you simply pop the cups out and replace them, instead of the entire frame.

Finally, the G3-X also uses the same lightweight, carbon headset found in the V3-RS and C64. The redesigned cups are a special polymer mix of carbon, nylon, and elastomers. They increase road dampening which leads to greater comfort, and better handling.


  • Frame: Carbon monocoque
  • Fork: Tapered straight blade carbon disc
  • Rear Stay: Carbon
  • Fork Axle: 12mm Thru x 100mm
  • Headset Included: Yes, Colnago integrated
  • Bottom Bracket Type: TheadFit82.5
  • Cable Routing: Internal, electric or mechanical compatible
  • Front Derailleur Mount: Braze-on
  • Front Derailleur Pull Type: Bottom pull
  • Front Derailleur Swing Type: Bottom swing
  • Wheel Size: 700c
  • Max Tire Width: 42mm
  • Brake Type: Disc, flat mount
  • Seatpost Diameter: Aero
  • Seatpost Included: Yes
  • Seat Collar Included: Yes
  • Rear Axle: 12mm Thru x 142mm
  • Sizes: 46cm | 49cm | 52cm | 55cm | 58cm |
  • Colors: G3GR, G3BK
Build Type:
Frameset Disc Brake