V4Rs 2026
V4Rs Shimano
The 2026 Colnago V4Rs Shimano is a road bike offered in 5 sizes, 51 to 57cm. Reach runs from 383 to 412 mm and stack from 539 to 612 mm. It ships with Shimano Dura-Ace R9250 Di2 and Shimano Dura-Ace C50.
Every number on this page was confirmed by at least two independent sources. Where the catalog cannot yet stand behind a figure, the cell says so instead of guessing.
Key facts
- Brand
- Colnago
- Model
- V4Rs
- Model year
- 2026
- Frame
- Shimano
- Type
- Road
- Sizes
- 51, 48.5cm, 50s, 51cm, and 57cm
- Verified measurements
- 41 of 50
- Last checked
2026 Colnago V4Rs Shimano geometry by size
| Measurement | 51 | 48.5cm | 50s | 51cm | 57cm |
|---|---|---|---|---|---|
| Reach(mm) | 388mm | 383mm | 410mm | 388mm | 412mm |
| Stack(mm) | 557mm | 539mm | 612mm | 557mm | 612mm |
| Head tube angle(°) | 71.8° | 71.5° | 73° | 71.8° | 73.1° |
| Seat tube angle(°) | 74° | 74.5° | not yet verified | 74° | 73° |
| Effective top tube(mm) | 550mm | 535mm | not yet verified | 550mm | 599mm |
| Chainstay length(mm) | 408mm | 408mm | 408mm | 408mm | 408mm |
| Wheelbase(mm) | not yet verified | not yet verified | 988mm | not yet verified | not yet verified |
| BB drop(mm) | not yet verified | 72mm | 72mm | 72mm | 72mm |
| Seat tube length(mm) | 510mm | 485mm | not yet verified | 510mm | 570mm |
| Head tube length(mm) | 148mm | 130mm | not yet verified | 148mm | 200mm |
Last checked .
2026 Colnago V4Rs stock build
Shimano Dura-Ace Di2
25 parts. Specs shown only where two or more sources agree.
Frame
Suspension
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Cages & Fittings
Shimano Ultegra Di2
19 parts. Specs shown only where two or more sources agree.
Frame
Drivetrain
Wheels & Tires
Brakes
Cockpit
Seatpost & Saddle
Quick answers
What sizes does the 2026 Colnago V4Rs Shimano come in?
It comes in 5 sizes: 51, 48.5cm, 50s, 51cm, and 57cm.
What are the reach and stack of the 2026 Colnago V4Rs Shimano in size 50s?
In size 50s, reach is 410 mm and stack is 612 mm.
What is the head tube angle of the 2026 Colnago V4Rs Shimano?
The head tube angle is 73 degrees in size 50s.
What does the 2026 Colnago V4Rs Shimano Dura-Ace Di2 ship with?
The stock build includes Colnago V4Rs, Colnago Carbon, Shimano Dura-Ace R9270 Di2, and Shimano Dura-Ace C50.
Which years of the Colnago V4Rs are in the catalog?
The catalog has the Colnago V4Rs for 2026.
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