V4Rs & V4 2025

Source: https://colnago.com/en-us/premium-bikes/v4rs-bike/technical-specifications

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Road

Geometry by size

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Measurement	420	455	485	510 (XL)	530	550	570
Frame geometry
Stack	510 mm	522 mm	539 mm	—	575 mm	593 mm	612 mm
Reach	370 mm	375 mm	383 mm	388 mm	395 mm	403 mm	410 mm
Stack / Reach	1.38	1.39	1.41	—	1.46	1.47	1.49
Head tube angle	70.6°	71°	71.5°	71.8°	72.5°	72.9°	73.1°
Seat tube angle (effective)	75.5°	75°	74.5°	74°	73.5°	73°	73°
Seat tube angle (actual)	—	—	—	—	—	—	—
Top tube (effective)	504 mm	517 mm	535 mm	—	567 mm	586 mm	599 mm
Head tube length	103 mm	114 mm	130 mm	148 mm	164 mm	181 mm	200 mm
Seat tube length	420 mm	455 mm	485 mm	510 mm	530 mm	550 mm	570 mm
Bottom bracket drop	72 mm	72 mm	72 mm	72 mm	72 mm	72 mm	72 mm
Bottom bracket height	—	—	—	—	—	—	—
Chainstay	408 mm	408 mm	408 mm	408 mm	408 mm	408 mm	408 mm
Front center	576 mm	582 mm	591 mm	597 mm	599 mm	608 mm	619 mm
Wheelbase	973.1 mm	979.1 mm	988.2 mm	994.2 mm	996.3 mm	1005.3 mm	1016.4 mm
Fork rake (offset)	—	—	—	—	—	—	—
Fork axle to crown	379 mm	379 mm	379 mm	379 mm	379 mm	379 mm	379 mm
Trail	—	—	—	—	—	—	—
Standover	—	—	—	—	—	—	—
Pad / effective stack	—	—	—	—	—	—	—
Pad / effective reach	—	—	—	—	—	—	—
Cockpit
Grip reach	—	—	—	—	—	—	—
Grip stack	—	—	—	—	—	—	—
Stem length	—	—	—	—	—	—	—
Spacer height	—	—	—	—	—	—	—
Bar reach	—	—	—	—	—	—	—
Bar drop	—	—	—	—	—	—	—
Bar flare	—	—	—	—	—	—	—
Handlebar width	—	—	—	—	—	—	—
Components (informational)
Crank length	—	—	—	—	—	—	—
Saddle width	—	—	—	—	—	—	—
Seatpost length	—	—	—	—	—	—	—
Tire clearance	30 mm	30 mm	30 mm	30 mm	30 mm	30 mm	30 mm
Front travel	—	—	—	—	—	—	—
Rear travel	—	—	—	—	—	—	—

Colnago V4Rs & V4 geometry · RideInsights