2025 Speeder Cycling SC-R48D Base

	450	450	470	470	490	490	520	520	550	550	580
Stack	495mm	495mm	513mm	513mm	529mm	529mm	550mm	550mm	575mm	575mm	599mm
Reach	372mm	372mm	378mm	378mm	383mm	383mm	387mm	387mm	399mm	399mm	406mm
Stack to Reach Ratio	1.33:1	1.33:1	1.36:1	1.36:1	1.38:1	1.38:1	1.42:1	1.42:1	1.44:1	1.44:1	1.48:1
Seat Tube Length, C-T	450mm	450mm	470mm	470mm	490mm	490mm	520mm	520mm	550mm	550mm	580mm
Top Tube Length, Actual C-C	505mm	505mm	520mm	520mm	535mm	535mm	550mm	550mm	575mm	575mm	595mm
Top Tube Slope	7.7deg	7.7deg	7.3deg	7.3deg	6.7deg	6.7deg	5.7deg	5.7deg	5deg	5deg	4.4deg
Head Tube Angle	75deg	75deg	74.5deg	74.5deg	74deg	74deg	73.5deg	73.5deg	73deg	73deg	72.5deg
Seat Tube Angle	70.5deg	70.5deg	71.5deg	71.5deg	72deg	72deg	72.5deg	72.5deg	73deg	73deg	73deg
Head Tube Length	99mm	99mm	114mm	114mm	129mm	129mm	149mm	149mm	174mm	174mm	199mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm	70mm	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	269mm	269mm	269mm	269mm	269mm	269mm	269mm	269mm	269mm	269mm	269mm
Chainstay Length	408mm	408mm	408mm	408mm	408mm	408mm	408mm	408mm	410mm	410mm	410mm
Chainstay Length Horizontal	402mm	402mm	402mm	402mm	402mm	402mm	402mm	402mm	404mm	404mm	404mm
Front-Center	973mm	973mm	975mm	975mm	982mm	982mm	988mm	988mm	1004mm	1004mm	1019mm
Front-Center Horizontal	571.1mm	571.1mm	573.1mm	573.1mm	580.1mm	580.1mm	586.1mm	586.1mm	600mm	600mm	615mm
Wheelbase	973mm	973mm	975mm	975mm	982mm	982mm	988mm	988mm	1004mm	1004mm	1019mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm	45mm	45mm	45mm	45mm	45mm	45mm
Fork Length (On-Axis)	370mm	370mm	370mm	370mm	370mm	370mm	370mm	370mm	370mm	370mm	370mm
Trail	44.3mm low	44.3mm low	47.3mm mid/neutral	47.3mm mid/neutral	50.4mm mid/neutral	50.4mm mid/neutral	53.5mm mid/neutral	53.5mm mid/neutral	56.6mm mid/neutral	56.6mm mid/neutral	59.7mm mid/neutral
Mechanical Trail	42.7mm	42.7mm	45.6mm	45.6mm	48.4mm	48.4mm	51.3mm	51.3mm	54.1mm	54.1mm	56.9mm
Wheel Flop	11.1mm	11.1mm	12.2mm	12.2mm	13.4mm	13.4mm	14.6mm	14.6mm	15.8mm	15.8mm	17.1mm
Tire to Pedal Spindle	464mm 170 mm cranks	464mm 170 mm cranks	466mm 170 mm cranks	466mm 170 mm cranks	473mm 170 mm cranks	473mm 170 mm cranks	479mm 170 mm cranks	479mm 170 mm cranks	495mm 170 mm cranks	495mm 170 mm cranks	510mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks

	450	450	470	470	490	490	520	520	550	550	580
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm	28mm	28mm	28mm	28mm	28mm	28mm	28mm	28mm	28mm
Tire Outer Diameter	678mm	678mm	678mm	678mm	678mm	678mm	678mm	678mm	678mm	678mm	678mm
Bike Length with Tires	1651mm	1651mm	1653mm	1653mm	1660mm	1660mm	1666mm	1666mm	1682mm	1682mm	1697mm

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.

Learn more about the Upright/Aggressive Scale

Category Trend

Performance Road

Source:https://www.speedercycling.com/Carbon-Road-Disc-Frameset-SC-R48D-_p346.html

Suggest Bike Edit

2025 Speeder Cycling SC-R48D Base

Geometry

Base Build

Stack and Reach vs. Category Trend