2020 Ritchey Design Outback 650b

	XS	S	M	L	XL
Stack	531.7mm	547.7mm	566.5mm	587.4mm	606.3mm
Reach	373mm	378mm	383mm	390mm	395mm
Stack to Reach Ratio	1.43:1	1.45:1	1.48:1	1.51:1	1.53:1
Seat Tube Length, C-T	440mm	465mm	490mm	515mm	540mm
Top Tube Length, Effective/Horizontal Center	525.9mm	540.6mm	556.6mm	569.8mm	580.6mm
Top Tube Length, Actual C-C	509.8mm	523.7mm	538.5mm	551.9mm	563.4mm
Top Tube Slope	8.6deg	8.3deg	8.3deg	7.9deg	7.2deg
Head Tube Angle	69.5deg	70deg	70.5deg	71deg	71deg
Seat Tube Angle	74deg	73.5deg	73deg	73deg	73deg
Head Tube Length	115mm	130mm	150mm	170mm	190mm
Bottom Bracket Drop	70mm	70mm	68mm	68mm	68mm
Bottom Bracket Height	272.8mm	272.8mm	274.8mm	274.8mm	274.8mm
Chainstay Length	453mm	453mm	453mm	453mm	453mm
Chainstay Length Horizontal	447.6mm	447.6mm	447.9mm	447.9mm	447.9mm
Front-Center	603mm	609.1mm	616.3mm	625.4mm	636.9mm
Front-Center Horizontal	598.9mm	605mm	612.5mm	621.7mm	633.2mm
Wheelbase	1046.5mm	1052.6mm	1060.4mm	1069.6mm	1081.1mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Fork Length (On-Axis)	390mm	390mm	390mm	390mm	390mm
Fork Length (Axle-To-Crown)	393mm	393mm	393mm	393mm	393mm
Trail	74.8mm high	71.6mm high	68.4mm high	65.2mm high	65.2mm high
Mechanical Trail	70.1mm	67.2mm	64.4mm	61.6mm	61.6mm
Wheel Flop	24.5mm	23mm	21.5mm	20.1mm	20.1mm
Standover Height	753.5mm	772.8mm	795.5mm	817.8mm	839.1mm
Tire to Pedal Spindle	90.2mm 170 mm cranks	96.3mm 170 mm cranks	103.5mm 170 mm cranks	112.6mm 170 mm cranks	124.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	102.8mm 170 mm cranks	102.8mm 170 mm cranks	104.8mm 170 mm cranks	104.8mm 170 mm cranks	104.8mm 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://us.ritcheylogic.com/us_en/outback-frameset

Geometry