2021 Brodie Bicycles Mega Tour Base

	S	M	L	XL
Stack	610mm	618mm	628mm	655mm
Reach	421mm	438mm	460mm	468mm
Stack to Reach Ratio	1.45:1	1.41:1	1.37:1	1.4:1
Seat Tube Length, C-T	406mm	432mm	470mm	508mm
Top Tube Slope	22.5deg	20deg	16.7deg	15.3deg
Head Tube Angle	69deg	69deg	69deg	69deg
Seat Tube Angle	74.5deg	74.5deg	74.5deg	74.5deg
Head Tube Length	100mm	110mm	135mm	150mm
Bottom Bracket Drop	64mm	64mm	64mm	64mm
Bottom Bracket Height	308mm	308mm	308mm	308mm
Chainstay Length	450mm	450mm	450mm	450mm
Chainstay Length Horizontal	445.4mm	445.4mm	445.4mm	445.4mm
Front-Center	661.7mm	682.1mm	707.5mm	727.4mm
Front-Center Horizontal	658.6mm	679.1mm	704.6mm	724.6mm
Wheelbase	1104mm	1124.5mm	1150mm	1170mm
Fork Offset/Rake	51mm	51mm	51mm	51mm
Fork Length, Unknown	485mm	485mm	485mm	485mm
Trail	88.2mm very high	88.2mm very high	88.2mm very high	88.2mm very high
Mechanical Trail	82.3mm	82.3mm	82.3mm	82.3mm
Wheel Flop	29.5mm	29.5mm	29.5mm	29.5mm
Tire to Pedal Spindle	119.7mm 170 mm cranks	140.1mm 170 mm cranks	165.5mm 170 mm cranks	185.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	138mm 170 mm cranks	138mm 170 mm cranks	138mm 170 mm cranks	138mm 170 mm cranks

Published Sizing Recommendations

Height

5 ft 3 in

5 ft 7 in

5 ft 6 in

5 ft 10 in

5 ft 9 in

6 ft 1 in

6 ft 0 in

6 ft 4 in

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.

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Source:https://www.brodiebicycles.com/2021-mega-tour