Compare: 2019 DENGFU R12 Base 49 vs 2027 Specialized Bicycles Tarmac SL9 S-Works 49

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of DENGFU R12

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Specialized Bicycles Tarmac SL9

Stack	508mm	514mm +6mm
Reach	374mm	375mm +1mm
Stack to Reach Ratio	1.36:1	1.37:1
Seat Tube Length, C-T	470mm	—
Seat Tube Length, C-TTT	—	445mm
Top Tube Length, Effective/Horizontal Center	510mm	508mm -2mm
Top Tube Slope	6.2deg	7.4deg +1.2deg
Head Tube Angle	71deg	71.75deg +0.75deg
Seat Tube Angle	75deg	75.5deg +0.5deg
Head Tube Length	105mm	108.8mm +3.8mm
Bottom Bracket Drop	71mm	74mm +3mm
Bottom Bracket Height	268mm	269mm +1mm
Chainstay Length	408mm	410mm +2mm
Chainstay Length Horizontal	401.8mm	403.3mm +1.5mm
Front-Center	574.2mm	574mm -0.2mm
Front-Center Horizontal	569.8mm	569.7mm -0.1mm
Wheelbase	971.6mm	973mm +1.4mm
Fork Offset/Rake	43mm	47mm +4mm
Fork Length (Axle-To-Crown)	—	369mm
Fork Length, Unknown	370mm	—
Trail	71.3mm high	63.6mm -7.7mm mid/neutral
Mechanical Trail	67.4mm	60.4mm -7mm
Wheel Flop	21.9mm	18.9mm -3mm
Standover Height	—	734mm
Tire to Pedal Spindle	65.2mm 170 mm cranks	61mm -4.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	99mm +1mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	32mm +4mm
Tire Width Max	32mm	—
Tire Outer Diameter	678mm	686mm +8mm
Bike Length with Tires	1649.6mm	1659mm +9.4mm
Crank Length	—	170mm
Handlebar Width	—	400mm
Stem Length	—	80mm
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