2023 Ritchey Design Outback 650b

	XS	S	M	L	XL
Stack	532mm	548mm	567mm	587mm	606mm
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 Unknown	526mm	541mm	557mm	570mm	581mm
Top Tube Slope	12.4deg	11.3deg	10.6deg	9.9deg	9.2deg
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	272mm	272mm	274mm	274mm	274mm
Chainstay Length	453mm	453mm	453mm	453mm	453mm
Chainstay Length Horizontal	447.6mm	447.6mm	447.9mm	447.9mm	447.9mm
Front-Center	603.5mm	609.5mm	615.9mm	625.8mm	636.8mm
Front-Center Horizontal	599.4mm	605.4mm	612.1mm	622.1mm	633.1mm
Wheelbase	1047mm	1053mm	1060mm	1070mm	1081mm
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	74.5mm high	71.3mm high	68.1mm high	64.9mm mid/neutral	64.9mm mid/neutral
Mechanical Trail	69.8mm	67mm	64.2mm	61.3mm	61.3mm
Wheel Flop	24.4mm	22.9mm	21.4mm	20mm	20mm
Standover Height	754mm	773mm	796mm	818mm	839mm
Tire to Pedal Spindle	91.5mm 170 mm cranks	97.5mm 170 mm cranks	103.9mm 170 mm cranks	113.8mm 170 mm cranks	124.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	102mm 170 mm cranks	102mm 170 mm cranks	104mm 170 mm cranks	104mm 170 mm cranks	104mm 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://ritcheylogic.com/bike/frames/outback-frameset

Geometry