2026 Colnago G5-X Base
- Category
- Progressive Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
Geometry
45 | 48 | 51 | 54 | 54 | 57 | |
Stack | 536mm | 555mm | 573mm | 591mm | 591mm | 613mm |
Reach | 377mm | 385mm | 392mm | 401mm | 401mm | 411mm |
Stack to Reach Ratio | 1.42:1 | 1.44:1 | 1.46:1 | 1.47:1 | 1.47:1 | 1.49:1 |
Seat Tube Length, Unknown | 450mm | 480mm | 510mm | 540mm | — | 570mm |
Top Tube Length, Effective/Horizontal HT Top | — | — | — | — | 567mm | — |
Top Tube Length, Effective/Horizontal Unknown | 512mm | 530mm | 547mm | 567mm | — | 584mm |
Top Tube Slope | 11.6deg | 10.3deg | 8.9deg | 7.6deg | — | 6.7deg |
Head Tube Angle | 70.5deg | 70.5deg | 71deg | 71deg | 71deg | 71.5deg |
Seat Tube Angle | 74.5deg | 74deg | 73.5deg | 73deg | 73deg | 73deg |
Bottom Bracket Drop | 80mm | 80mm | 80mm | 77.5mm | 77.5mm | 77.5mm |
Bottom Bracket Height | 281mm | 281mm | 281mm | 283.5mm | 283.5mm | 283.5mm |
Chainstay Length | 435mm | 435mm | 435mm | 435mm | 435mm | 435mm |
Chainstay Length Horizontal | 427.6mm | 427.6mm | 427.6mm | 428mm | 428mm | 428mm |
Front-Center | 599mm | 613mm | 622mm | 637mm | 637mm | 649mm |
Front-Center Horizontal | 593.4mm | 608.4mm | 616.4mm | 632mm | 632.3mm | 645mm |
Wheelbase | 1021mm | 1036mm | 1044mm | 1060mm | 1060.3mm | 1073mm |
Fork Offset/Rake | 52mm | 52mm | 52mm | 52mm | 51.5mm | 52mm |
Trail | 72.7mm high | 72.7mm high | 69.3mm high | 69.3mm high | 69.9mm high | 66mm high |
Mechanical Trail | 68.5mm | 68.5mm | 65.5mm | 65.5mm | 66mm | 62.6mm |
Wheel Flop | 22.9mm | 22.9mm | 21.3mm | 21.3mm | 21.5mm | 19.9mm |
Standover Height | 723mm | 750mm | 780mm | 799mm | — | 827mm |
Tire to Pedal Spindle | 68mm 170 mm cranks | 82mm 170 mm cranks | 91mm 170 mm cranks | 106mm 170 mm cranks | 103.5mm 172.5 mm cranks | 118mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 113.5mm 170 mm cranks | 111mm 172.5 mm cranks | 113.5mm 170 mm cranks |
Base Build
45 | 48 | 51 | 54 | 54 | 57 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Tire Width Max | — | — | — | — | 53mm | — |
Tire Outer Diameter | 722mm | 722mm | 722mm | 722mm | 722mm | 722mm |
Bike Length with Tires | 1743mm | 1758mm | 1766mm | 1782mm | 1782.3mm | 1795mm |
Crank Length | — | — | — | — | 172.5mm | — |
Handlebar Width | — | — | — | — | 440mm | — |
Stem Length | — | — | — | — | 110mm | — |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Progressive GravelSource:a.storyblok.com, www.colnago.com