What height is a Colnago V4 485 for?

The official current-road guide includes 172-176 cm height and 79-83 cm inseam sample points for 485. Those samples help shortlist a V4; they are not continuous fit limits or a guarantee for every rider in that height range.

Is Colnago V4 485 equivalent to a 54 cm frame?

There is no universal conversion. V4 485 measures 539/383 mm stack/reach. Compare those numbers, standover and the cockpit with the specific 54 cm model you have in mind instead of transferring the label.

Why is V4 size 510 missing from the geometry table?

The official page retrieved for this guide lists a 510 panel but omits its stack value. We have not borrowed a number from V4Rs or estimated it. Ask Colnago for the complete V4 510 chart before using that size in a fit comparison.

Colnago V4 Size Chart & Geometry

Jump to the frame geometry table

A Colnago V4 485 is not a conventional 48.5 cm road frame. The official product chart gives it a 535 mm effective top tube, 539 mm stack and 383 mm reach. This guide keeps the V4's actual frame dimensions separate from Colnago's broader height and inseam examples, so a familiar-looking number does not decide your fit.

Which bike does this chart cover?

V4 only, captured from the linked official product page on October 25, 2026. No manufacturer model year is specified. V4Rs, V5Rs, Y1Rs and older sloping Colnagos are not covered. The retrieved 510 panel omits stack, so it is intentionally absent from the geometry table.

View the manufacturer's geometry chart

Colnago's separate rider-height and inseam guide

Source captured 2026-10-25; reviewed 2026-10-25.

Colnago V4 frame geometry by size

Colnago V4 official-source geometry; all lengths in millimeters
Frame size	Stack (mm)	Reach (mm)	Top tube (mm)
420	510	370	504
455	522	375	517
485	539	383	535
530	575	395	567
550	593	403	586
570	612	410	599

420
Stack (mm)
510
Reach (mm)
370
Top tube (mm)
504
455
Stack (mm)
522
Reach (mm)
375
Top tube (mm)
517
485
Stack (mm)
539
Reach (mm)
383
Top tube (mm)
535
530
Stack (mm)
575
Reach (mm)
395
Top tube (mm)
567
550
Stack (mm)
593
Reach (mm)
403
Top tube (mm)
586
570
Stack (mm)
612
Reach (mm)
410
Top tube (mm)
599

The source does not specify a model year. Sizes follow its 420-570 selector. The 510 panel omits stack in the retrieved official page, so that row is deliberately absent rather than estimated. Do not apply these figures to V4Rs or V5Rs.

Read the label before comparing frames

The 420-570 labels belong to this Colnago sizing system. Do not equate a 485 with another manufacturer's 49, or an older Colnago 48s. Compare stack, reach and the manufacturer's measurement definitions.

Use height and inseam samples together

The separate official Colnago guide puts 485 examples at 172-176 cm height and 79-83 cm inseam, and 510 examples at 178-180 cm and 85-86 cm. It does not publish continuous cutoffs between every combination. If your proportions fall between examples, ask Colnago or a fitter rather than interpolating an official recommendation.

Check a candidate against your existing fit

Compared with the sourced V4 485, the 530 frame adds 36 mm stack and 12 mm reach. That spans the omitted 510 row, so it is not a single adjacent-size jump. For a 510 purchase, obtain its missing stack measurement directly before making the comparison.