2026 Colnago V4Rs Shimano vs 2025 Basso SV Shimano Dura Ace

What changes on the Basso SV Shimano Dura Ace

Frame stack

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One of the bikes has no number for this

Frame reach

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One of the bikes has no number for this

Wheelbase

+47 mm

Longer: steadier at speed

Head angle

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One of the bikes has no number for this

Chainstays

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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

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.