	48	50	53	52	54	56	55	58	57	60	62
Stack	501mm	522mm	546mm	538mm	556mm	575mm	565mm	594mm	585mm	614mm	633mm
Reach	375mm	379mm	380mm	385mm	382mm	386mm	389mm	390mm	393mm	394mm	393mm
Stack to Reach Ratio	1.34:1	1.38:1	1.44:1	1.4:1	1.46:1	1.49:1	1.45:1	1.52:1	1.49:1	1.56:1	1.61:1
Seat Tube Length, C-T	520mm	540mm	570mm	560mm	580mm	600mm	590mm	620mm	610mm	640mm	660mm
Seat Tube Length, C-C	480mm	500mm	530mm	520mm	540mm	560mm	550mm	580mm	570mm	600mm	620mm
Top Tube Length, Effective/Horizontal Center	510mm	520mm	535mm	530mm	540mm	555mm	550mm	570mm	565mm	580mm	585mm
Top Tube Slope	-0.1deg	0deg	-0.2deg	-0.3deg	-0.2deg	0deg	-0.2deg	0.1deg	0deg	0.2deg	0.2deg
Head Tube Angle	74deg	74deg	75.5deg	74.5deg	75.5deg	75.5deg	75.5deg	75.5deg	75.5deg	75.5deg	75.5deg
Seat Tube Angle	75deg	75deg	74deg	75deg	74deg	73.5deg	74deg	73deg	73.5deg	73deg	73deg
Head Tube Length	110mm	130mm	150mm	145mm	160mm	180mm	170mm	200mm	190mm	220mm	240mm
Bottom Bracket Drop	55mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm
Bottom Bracket Height	279mm	277mm	277mm	277mm	277mm	277mm	277mm	277mm	277mm	277mm	277mm
Chainstay Length	395mm	395mm	395mm	395mm	395mm	395mm	395mm	395mm	395mm	395mm	395mm
Chainstay Length Horizontal	391.2mm	390.9mm	390.9mm	390.9mm	390.9mm	390.9mm	390.9mm	390.9mm	390.9mm	390.9mm	390.9mm
Front-Center	536.7mm	547.1mm	540.2mm	553.1mm	545.1mm	554.1mm	554.1mm	563mm	564mm	572mm	576mm
Front-Center Horizontal	533.9mm	544.1mm	537.1mm	550.1mm	542.1mm	551.1mm	551.1mm	560.1mm	561.1mm	569.1mm	573.1mm
Wheelbase	925mm	935mm	928mm	941mm	933mm	942mm	942mm	951mm	952mm	960mm	964mm
Fork Offset/Rake	29.8mm	30.6mm	29.7mm	30.6mm	30.1mm	30.2mm	29.8mm	30.3mm	30.6mm	30.1mm	30.2mm
Trail	64.8mm mid/neutral	64mm mid/neutral	55.7mm mid/neutral	60.9mm mid/neutral	55.3mm mid/neutral	55.2mm mid/neutral	55.6mm mid/neutral	55.1mm mid/neutral	54.8mm mid/neutral	55.3mm mid/neutral	55.2mm mid/neutral
Mechanical Trail	62.3mm	61.5mm	53.9mm	58.7mm	53.5mm	53.5mm	53.9mm	53.4mm	53.1mm	53.5mm	53.5mm
Wheel Flop	17.2mm	17mm	13.5mm	15.7mm	13.4mm	13.4mm	13.5mm	13.4mm	13.3mm	13.4mm	13.4mm
Standover Height	770mm	797mm	828mm	817mm	838mm	858mm	848mm	878mm	868mm	898mm	918mm
Tire to Pedal Spindle	32.7mm 170 mm cranks	43.1mm 170 mm cranks	36.2mm 170 mm cranks	49.1mm 170 mm cranks	41.1mm 170 mm cranks	50.1mm 170 mm cranks	50.1mm 170 mm cranks	59mm 170 mm cranks	60mm 170 mm cranks	68mm 170 mm cranks	72mm 170 mm cranks
Pedal Spindle to Ground Clearance	109mm 170 mm cranks	107mm 170 mm cranks	107mm 170 mm cranks	107mm 170 mm cranks	107mm 170 mm cranks	107mm 170 mm cranks	107mm 170 mm cranks	107mm 170 mm cranks	107mm 170 mm cranks	107mm 170 mm cranks	107mm 170 mm cranks

	48	50	53	52	54	56	55	58	57	60	62
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	23mm	23mm	23mm	23mm	23mm	23mm	23mm	23mm	23mm	23mm	23mm
Tire Outer Diameter	668mm	668mm	668mm	668mm	668mm	668mm	668mm	668mm	668mm	668mm	668mm
Bike Length with Tires	1593mm	1603mm	1596mm	1609mm	1601mm	1610mm	1610mm	1619mm	1620mm	1628mm	1632mm

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

Track/Fixed-gear

Source:geometrygeeks.bike

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2008-2012 Ridley Bikes Oval Base

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Stack and Reach vs. Category Trend