2026 Megamo Reason Al

	S	M	L
Stack	617mm	635mm	653mm
Reach	442mm	470mm	500mm
Stack to Reach Ratio	1.4:1	1.35:1	1.31:1
Seat Tube Length, Unknown	400mm	420mm	455mm
Top Tube Length, Effective/Horizontal Unknown	584mm	617mm	651mm
Top Tube Slope	23.1deg	21.8deg	19.2deg
Head Tube Angle	63.5deg	63.5deg	63.5deg
Seat Tube Angle	77deg	77deg	77deg
Head Tube Length	100mm	120mm	140mm
Bottom Bracket Drop	30mm	30mm	30mm
Bottom Bracket Height	283.5mm	283.5mm	283.5mm
Chainstay Length	450mm	454mm	458mm
Chainstay Length Horizontal	449mm	453mm	457mm
Front-Center	784.6mm	821.5mm	860.5mm
Front-Center Horizontal	784mm	821mm	860mm
Wheelbase	1233mm	1274mm	1317mm
Fork Offset/Rake	44.2mm	44.2mm	44.2mm
Trail	107mm very high	107mm very high	106.9mm very high
Mechanical Trail	95.7mm	95.7mm	95.7mm
Wheel Flop	42.7mm	42.7mm	42.7mm
Standover Height	348mm	348mm	348mm
Tire to Pedal Spindle	306.1mm 165 mm cranks	343mm 165 mm cranks	382mm 165 mm cranks
Pedal Spindle to Ground Clearance	118.5mm 165 mm cranks	118.5mm 165 mm cranks	118.5mm 165 mm cranks

Published Sizing Recommendations

Height

100 cm

169 cm

182 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.megamo.com/ca/e-bike/e-full-suspension/reason/reason-al-05-(26)