Compare: 2024 Speeder Cycling SC-R55D Base 480 vs 2026 Argon 18 Nitrogen Base S

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Speeder Cycling SC-R55D

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Argon 18 Nitrogen

Stack	526mm	531mm +5mm
Reach	382mm	384mm +2mm
Stack to Reach Ratio	1.38:1	1.38:1
Seat Tube Length, C-T	480mm	—
Seat Tube Length, C-TTT	—	460mm
Top Tube Length, Effective/Horizontal Center	—	537mm
Top Tube Length, Effective/Horizontal Unknown	528mm	—
Top Tube Slope	7.1deg	7.7deg +0.6deg
Head Tube Angle	72deg	72.7deg +0.7deg
Seat Tube Angle	74.5deg	74deg -0.5deg
Head Tube Length	120mm	113mm -7mm
Bottom Bracket Drop	72mm	79mm +7mm
Bottom Bracket Height	267mm	262mm -5mm
Chainstay Length	408mm	410mm +2mm
Chainstay Length Horizontal	401.6mm	402.3mm +0.7mm
Front-Center	582mm	578.1mm -3.9mm
Front-Center Horizontal	578.4mm	572.7mm -5.7mm
Wheelbase	980mm	975mm -5mm
Fork Offset/Rake	46mm	45mm -1mm
Fork Length (Axle-To-Crown)	370mm	376mm +6mm
Trail	61.8mm mid/neutral	59.1mm -2.7mm mid/neutral
Mechanical Trail	58.8mm	56.4mm -2.4mm
Wheel Flop	18.2mm	16.8mm -1.4mm
Tire to Pedal Spindle	73mm 170 mm cranks	67.1mm -5.9mm 170 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	92mm -5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	30mm +2mm
Tire Width Max	32mm	34mm +2mm
Tire Outer Diameter	678mm	682mm +4mm
Bike Length with Tires	1658mm	1657mm -1mm
Crank Length	—	170mm
Handlebar Width	—	360mm
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