Compare: 2026 Cervelo Cycles S5 Base 51 vs 2019 DENGFU R12 Base 52

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Cervelo Cycles S5

Somewhat aggressive stack and reach vs trend of performance road bikes

Design deviates from other sizes of DENGFU R12

Stack	519mm	525.6mm +6.6mm
Reach	376mm	384mm +8mm
Stack to Reach Ratio	1.38:1	1.37:1
Seat Tube Length, C-T	—	490mm
Top Tube Length, Effective/Horizontal Center	—	530mm
Top Tube Length, Effective/Horizontal Unknown	535mm	—
Top Tube Slope	—	5.9deg
Head Tube Angle	72deg	72deg +0deg
Seat Tube Angle	73deg	74.5deg +1.5deg
Head Tube Length	87mm	120mm +33mm
Bottom Bracket Drop	72.5mm	71mm -1.5mm
Bottom Bracket Height	266.5mm	268mm +1.5mm
Chainstay Length	405mm	408mm +3mm
Chainstay Length Horizontal	398.5mm	401.8mm +3.3mm
Front-Center	580mm	581.5mm +1.5mm
Front-Center Horizontal	575.5mm	577.1mm +1.6mm
Wheelbase	974mm	978.9mm +4.9mm
Fork Offset/Rake	52mm	43mm -9mm
Fork Length, Unknown	—	370mm
Trail	55.5mm mid/neutral	64.9mm +9.4mm mid/neutral
Mechanical Trail	52.8mm	61.8mm +9mm
Wheel Flop	16.3mm	19.1mm +2.8mm
Standover Height	729.5mm	—
Tire to Pedal Spindle	71mm 170 mm cranks	72.5mm +1.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	96.5mm 170 mm cranks	98mm +1.5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm +0mm
Tire Outer Diameter	678mm	678mm +0mm
Bike Length with Tires	1652mm	1656.9mm +4.9mm
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.cervelo.com/en-US/bikes/s5	http://www.dengfubikes.com/ROAD_FRAME/248.html
Brand	Cervelo Cycles	DENGFU
Bike	2026 S5 Base	2019 R12 Base
Size	51	52
Category	Performance Road	Performance Road