Compare: 2019 OG-EVKIN CF-025 Base XS vs 2026 Colnago C72 Base 455

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of OG-EVKIN CF-025

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Colnago C72

Stack	527mm	525mm -2mm
Reach	376mm	375mm -1mm
Stack to Reach Ratio	1.4:1	1.4:1
Seat Tube Length, C-T	455mm	—
Top Tube Length, Effective/Horizontal Center	515mm	—
Top Tube Length, Effective/Horizontal Unknown	—	514mm
Top Tube Slope	10.1deg	—
Head Tube Angle	71.7deg	71.6deg -0.1deg
Seat Tube Angle	74.2deg	74.8deg +0.6deg
Head Tube Length	115mm	112mm -3mm
Bottom Bracket Drop	78.7mm	74mm -4.7mm
Bottom Bracket Height	257.4mm	267mm +9.6mm
Chainstay Length	410mm	408mm -2mm
Chainstay Length Horizontal	402.4mm	401.2mm -1.2mm
Front-Center	577mm	577mm +0mm
Front-Center Horizontal	571.6mm	572.2mm +0.6mm
Wheelbase	974mm	973.5mm -0.5mm
Fork Offset/Rake	45mm	44.8mm -0.2mm
Fork Length, Unknown	—	377mm
Trail	63.7mm mid/neutral	66.2mm +2.5mm high
Mechanical Trail	60.5mm	62.8mm +2.3mm
Wheel Flop	19mm	19.8mm +0.8mm
Tire to Pedal Spindle	71mm 170 mm cranks	66mm -5mm 170 mm cranks
Pedal Spindle to Ground Clearance	87.4mm 170 mm cranks	97mm +9.6mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	25mm	30mm +5mm
Tire Outer Diameter	672mm	682mm +10mm
Bike Length with Tires	1646mm	1655.5mm +9.5mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://www.aliexpress.com/item/33033394656.html	https://www.colnago.com/en-tw/premium-bikes/c72-road-bike/technical-specifications
Brand	OG-EVKIN	Colnago
Bike	2019 CF-025 Base	2026 C72 Base
Size	XS	455
Category	Performance Road	Performance Road