	S	M	L	XL
Stack	598mm	625mm	634mm	644mm
Reach	424mm	450mm	475mm	500mm
Stack to Reach Ratio	1.41:1	1.39:1	1.33:1	1.29:1
Seat Tube Length, Unknown	400mm	425mm	450mm	480mm
Top Tube Length, Actual C-C	561mm	593mm	621mm	649mm
Top Tube Slope	22.1deg	21.1deg	18.7deg	16.2deg
Head Tube Angle	64deg	64.2deg	64.2deg	64.2deg
Seat Tube Angle	77.2deg	77deg	77deg	77deg
Head Tube Length	110mm	105mm	115mm	125mm
Bottom Bracket Drop	14mm	30mm	30mm	30mm
Bottom Bracket Height	358mm	342mm	342mm	342mm
Chainstay Length	430mm	446mm	446mm	446mm
Chainstay Length Horizontal	429.8mm	445mm	445mm	445mm
Front-Center	752mm	787mm	817mm	846mm
Front-Center Horizontal	752.2mm	788mm	818mm	847mm
Wheelbase	1182mm	1233mm	1263mm	1292mm
Fork Offset/Rake	37mm	44mm	44mm	44mm
Fork Length (Axle-To-Crown)	555mm	575mm	575mm	575mm
Trail	140.3mm very high	130.9mm very high	130.9mm very high	130.9mm very high
Mechanical Trail	126.1mm	117.9mm	117.9mm	117.9mm
Wheel Flop	55.3mm	51.3mm	51.3mm	51.3mm
Standover Height	784mm	821mm	786mm	778mm
Tire to Pedal Spindle	210mm 170 mm cranks	245mm 170 mm cranks	275mm 170 mm cranks	304mm 170 mm cranks
Pedal Spindle to Ground Clearance	188mm 170 mm cranks	172mm 170 mm cranks	172mm 170 mm cranks	172mm 170 mm cranks

Published Sizing Recommendations

Height

158 cm

172 cm

168 cm

182 cm

178 cm

192 cm

188 cm

202 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.propain-bikes.com/en/products/config/tyee-6-1-al-trail/

2026 Propain Bicycles Tyee 6.1 AL Trail Base