2021 Orbea Gain M20

	XS	S	M	L	XL
Stack	525mm	550mm	575mm	600mm	625mm
Reach	366mm	377mm	388mm	399mm	410mm
Stack to Reach Ratio	1.43:1	1.46:1	1.48:1	1.5:1	1.52:1
Seat Tube Length, C-T	455mm	485mm	515mm	545mm	575mm
Top Tube Length, Effective/Horizontal Center	507mm	530mm	547mm	571mm	589mm
Top Tube Slope	10deg	9.3deg	8.5deg	7.9deg	7.3deg
Head Tube Angle	71deg	71.5deg	72deg	72deg	72.5deg
Seat Tube Angle	75deg	74.5deg	74.5deg	74deg	74deg
Head Tube Length	95mm	120mm	146mm	172mm	196mm
Bottom Bracket Drop	76mm	76mm	74mm	74mm	74mm
Bottom Bracket Height	265mm	265mm	267mm	267mm	267mm
Chainstay Length	420mm	420mm	420mm	420mm	420mm
Chainstay Length Horizontal	413.1mm	413.1mm	413.4mm	413.4mm	413.4mm
Front-Center	578.1mm	592.8mm	612.6mm	631.5mm	639.8mm
Front-Center Horizontal	573.1mm	587.9mm	608.1mm	627.2mm	635.5mm
Wheelbase	986.1mm	1001mm	1021.5mm	1040.6mm	1049mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Fork Length (Axle-To-Crown)	400mm	400mm	400mm	400mm	400mm
Trail	64.5mm mid/neutral	61.4mm mid/neutral	58.2mm mid/neutral	58.2mm mid/neutral	55.1mm mid/neutral
Mechanical Trail	61mm	58.2mm	55.4mm	55.4mm	52.5mm
Wheel Flop	19.9mm	18.5mm	17.1mm	17.1mm	15.8mm
Standover Height	708mm	785.7mm	819.5mm	839mm	872.7mm
Tire to Pedal Spindle	67.1mm 170 mm cranks	81.8mm 170 mm cranks	101.6mm 170 mm cranks	120.5mm 170 mm cranks	128.8mm 170 mm cranks
Pedal Spindle to Ground Clearance	95mm 170 mm cranks	95mm 170 mm cranks	97mm 170 mm cranks	97mm 170 mm cranks	97mm 170 mm cranks

Published Sizing Recommendations

Height

150 cm

160 cm

170 cm

180 cm

190 cm

200 cm

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://www.orbea.com/be-en/ebikes/road/gain/cat/gain-m20