2024 Speeder Cycling SC-R55D Base

	450	480	510	535	560
Stack	510mm	526mm	540mm	559mm	583mm
Reach	378mm	382mm	388mm	399mm	406mm
Stack to Reach Ratio	1.35:1	1.38:1	1.39:1	1.4:1	1.44:1
Seat Tube Length, C-T	450mm	480mm	510mm	535mm	560mm
Top Tube Length, Effective/Horizontal Unknown	515mm	528mm	542mm	565mm	584mm
Top Tube Slope	8.7deg	7.1deg	5.4deg	4.8deg	4.8deg
Head Tube Angle	71.5deg	72deg	72.5deg	72.5deg	72.5deg
Seat Tube Angle	75deg	74.5deg	74deg	73.5deg	73deg
Head Tube Length	105mm	120mm	135mm	155mm	180mm
Bottom Bracket Drop	72mm	72mm	70mm	70mm	70mm
Bottom Bracket Height	267mm	267mm	269mm	269mm	269mm
Chainstay Length	408mm	408mm	408mm	410mm	410mm
Chainstay Length Horizontal	401.6mm	401.6mm	402mm	404mm	404mm
Front-Center	578mm	582mm	588mm	606mm	620mm
Front-Center Horizontal	573.4mm	578.4mm	584.1mm	601mm	616mm
Wheelbase	975mm	980mm	986mm	1005mm	1020mm
Fork Offset/Rake	46mm	46mm	46mm	46mm	46mm
Fork Length (Axle-To-Crown)	370mm	370mm	370mm	370mm	370mm
Trail	64.9mm mid/neutral	61.8mm mid/neutral	58.7mm mid/neutral	58.7mm mid/neutral	58.7mm mid/neutral
Mechanical Trail	61.6mm	58.8mm	55.9mm	55.9mm	55.9mm
Wheel Flop	19.5mm	18.2mm	16.8mm	16.8mm	16.8mm
Tire to Pedal Spindle	69mm 170 mm cranks	73mm 170 mm cranks	79mm 170 mm cranks	97mm 170 mm cranks	111mm 170 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	97mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Category Trend

Source:https://www.speedercycling.com/Carbon-Integrated-Road-Disc-Frameset-SC-R55D-_p429.html

Geometry