2026 Colnago V4Rs Shimano vs 2025 Basso SV Shimano Dura Ace
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Basso SV Shimano Dura Ace
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- +36 mm
- Longer: steadier at speed
- Head angle
- n/a
- One of the bikes has no number for this
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Colnago V4Rs Shimano numbers we have for size 485 are missing the reach, stack, head angle, seat angle and chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Colnago V4Rs Shimano 485 | Basso SV Shimano Dura Ace 45 | Difference |
|---|---|---|---|
| Reach | not listed | 370 | |
| Stack | not listed | 520 | |
| Head tube angle | not listed | 71.2 | |
| Seat tube angle | not listed | 75.5 | |
| Effective top tube | not listed | 505 | |
| Chainstay length | not listed | not listed | |
| Wheelbase | 935 | 971 | +36 mm |
| BB drop | not listed | not listed | |
| Seat tube length | 479 | 420 | −59 mm |
| Head tube length | not listed | 115 | |
| Standover | not listed | 722 |
Differences are the Basso SV Shimano Dura Ace minus the Colnago V4Rs Shimano. Full charts: 2026 Colnago V4Rs Shimano, 2025 Basso SV Shimano Dura Ace.
Where each sits in its class
Colnago V4Rs ShimanoBasso SV Shimano Dura Ace
Each bike is ranked against the other road bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Colnago V4Rs ShimanoShimano Dura-Ace Di2 | Basso SV Shimano Dura AceShimano Dura Ace Di2 |
|---|---|---|
| Frame | Colnago V4Rs | Basso SV |
| Fork | Colnago carbon fork | not listed |
| Shifter | Shimano Dura Ace Di2 | Shimano Dura-Ace R9270 |
| Derailleur | Shimano Dura-Ace Di2, Shimano RD-9250 Dura-Ace Di2 | Shimano Dura-Ace R9250 |
| Cassette | Shimano Dura-Ace | Shimano Dura-Ace R9200 |
| Chain | Shimano Dura-Ace | Shimano Dura-Ace |
| Crankset | Shimano Dura-Ace | Shimano Dura-Ace R9200 |
| Chainring | Shimano Dura-Ace, Shimano Dura-Ace R9200 | Shimano 52, Shimano 36 |
| Bottom bracket | CeramicSpeed T47 | Shimano Dura-Ace R9200 |
| Wheelset | Shimano Dura-Ace C50 | DT Swiss ARC 1100 |
| Tire | Pirelli P Zero Race | Continental Grand Prix 5000 |
| Brake | Shimano Dura-Ace Di2, Shimano Dura-Ace 9270 Di2 | Shimano Dura-Ace R9270 |
| Rotor | Shimano CL900 | Shimano Dura Ace Ice Rotor |
| Handlebar | Colnago CC.01 | Basso Fuga Integrated |
| Stem | Colnago CC.01 | Basso Fuga Integrated |
| Bar tape | Colnago Grip | not listed |
| Headset | CeramicSpeed SLT | not listed |
| Seatpost | Colnago D-shape carbon | not listed |
| Saddle | Prologo Scratch M5 CPC | Selle Italia SLR Superflow |
| Bottle cage | Colnago bottle cage | not listed |
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