Colnago V4
Road · 7 sizes
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- Bike
- Colnago V4 · Road · 7 sizes · integrated cockpit
- Geometry
- colnago.com, fetched 20 Oct 2026, re-checked, no differences
- Cockpit
- Generic stem and bar, assumed
- Solved with
- cover 15 mm (assumed), max spacers 40 mm (assumed), stem clamp centre 20 mm (assumed), so every verdict carries ±10 mm at the bar
- Sheet
- 22 October 2026 · 686 bikes, 74 makes, 3,984 sizes in the catalogue
Geometry, every size, from the maker's table
The tinted row is the size drawn beside it. Press a size to draw it.| Size | Stack (mm) | Reach (mm) | Head angle (deg) | Seat angle (deg) | Head tube (mm) | Chainstay (mm) | Wheelbase (mm)not published | Standover (mm)not published |
|---|---|---|---|---|---|---|---|---|
| 420 | 510 | 370 | 70.6 | 75.5 | 103 | 408 | ||
| 455 | 522 | 375 | 71 | 75 | 114 | 408 | ||
| 485 | 539 | 383 | 71.5 | 74.5 | 130 | 408 | ||
| 510 | 557 | 388 | 71.8 | 74 | 148 | 408 | ||
| 530 | 575 | 395 | 72.5 | 73.5 | 164 | 408 | ||
| 550 | 593 | 403 | 72.9 | 73 | 181 | 408 | ||
| 570 | 612 | 410 | 73.1 | 73 | 200 | 408 |
The table runs on to the right: 6 more columns after Reach. Scroll it sideways to read them.
The 510 drawn to scale from the table, with no build on it. Stack and reach run from the bottom bracket to the top of the head tube; every size is solved from those two. One square is 100 mm.
The maker's cockpit
No stock cockpit I can name, so every size is solved on a generic stem and bar unless you choose one on the sheet.Generic stem and barAssumedNo bar is listed for this frame.
Stock stem and bar per size420 90 x 390, 455 100 x 390, 485 110 x 390, 510 110 x 410, 530 120 x 410, 550 120 x 410, 570 130 x 430 (stem length x bar width, mm)
Frame facts
read from the maker's words, not a table: colnago.com- Tyre clearance
- 30 mm
- Bottom bracket
- not recorded yet
- Axles and brakes
- not recorded yet
- UDH
- not recorded yet
- Seatpost
- not recorded yet
- Frame weight
- not recorded yet
In the maker's words
Kept whole, as I read it off colnago.com.The page lists "Handlebar: COLNAGO CC.01 S - Carbon integrated Cockpit (one-piece)" and the same under Stem.
Cockpit and seatpost, in the maker's words · 37 words
The page lists "Handlebar: COLNAGO CC.01 S - Carbon integrated Cockpit (one-piece)" and the same under Stem. The CC.01 S has no size guide of its own on the page; the CC.01 above is a different part.
OFFICIAL SOURCE: Colnago's V4 page (https://www.colnago.com/en-us/products/v4-bike) and the geometry chart it links, https://139650070.fs1.hubspotusercontent-eu1.net/hubfs/139650070/Geometrie%20schede/V4%20Geometry%20chart.pdf. Source: pdf (official Colnago geometry chart "V4 Geometry chart.pdf", linked from the V4 page as its size guide; its text layer splits some numbers ("45 5"), so the table was transcribed from the rendered page and then checked digit for digit against the text layer by script; fetched 2026-10-20
How I read the maker's table
Column mapping: Cf (the size: seat tube from the BB centre along the tube to its top) -> seat_tube_length; Fork (fork length, axle to crown) not in the schema; rake -> fork_offset; Sc -> seat_tube_angle; A (BB centre to front axle) -> front_centre; C -> chainstay; Hs -> head_tube_length; Ss -> head_tube_angle; bbdrop -> bb_drop; O (top tube, drawn horizontal from the head tube top to the seat tube line) -> top_tube_effective; Stack; Reach; RealReach not in the schema. Size labels as printed (420, 455, 485, 510, 530, 550, 570). DRAWING (read only for its letters and datums, not stored): Stack and Reach are drawn from the BB centre to the top of the head tube (no headset cover named, so stack_datum is null); O is drawn horizontal from the head tube top to the seat tube line; the size is drawn along the seat tube from the BB centre to its top. stock_stem_length and stock_bar_width are the page's per-size "Default stem length" and "Default handlebars width" (420 90/390; 455 100/390; 485 110/390; 510 110/410; 530 120/410; 550 120/410; 570 130/430). Not published, so null: wheelbase, standover, trail. THE PAGE AGAINST THE CHART: the page's own size tabs print 61 of these cells; every one agrees with the chart. The V4 chart prints the same numbers as the V4Rs chart, cell for cell, RealReach column included. Stock tyre "Pirelli P7 Sport 28 mm" (tyre_width_mm 28); the page says "tyres up to 30mm (nominal)" in one place and "32 mm (nominal width)" as the maximum tyre size in another. Model year is not printed (null).
Source: pdf (official Colnago geometry chart "V4 Geometry chart.pdf", linked from the V4 page as its size guide; its text layer splits some numbers ("45 5"), so the table was transcribed from the rendered page and then checked digit for digit against the text layer by script; fetched 2026-10-20, HTTP 200)