2020 Convolution Bikes Aspera Base

	XS	S	M	L	XL
Stack	548mm	552mm	561mm	563mm	568mm
Reach	351mm	360mm	366mm	374mm	383mm
Stack to Reach Ratio	1.56:1	1.53:1	1.53:1	1.51:1	1.48:1
Seat Tube Length, Unknown	490mm	495mm	505mm	510mm	515mm
Top Tube Slope	9.1deg	8.9deg	8.6deg	8.2deg	8.1deg
Head Tube Angle	71deg	72deg	72deg	72.5deg	72.7deg
Seat Tube Angle	73deg	73deg	73deg	73deg	73deg
Head Tube Length	120mm	120mm	140mm	140mm	140mm
Bottom Bracket Drop	65mm	65mm	65mm	65mm	65mm
Bottom Bracket Height	274mm	274mm	274mm	274mm	274mm
Chainstay Length	415mm	415mm	415mm	415mm	415mm
Chainstay Length Horizontal	409.9mm	409.9mm	409.9mm	409.9mm	409.9mm
Front-Center	554mm	573.8mm	583.8mm	586.7mm	595.7mm
Front-Center Horizontal	550.1mm	570.1mm	580.1mm	583.1mm	592.1mm
Wheelbase	960mm	980mm	990mm	993mm	1002mm
Fork Offset/Rake	31mm	49.4mm	50.4mm	49.7mm	50.1mm
Trail	83.9mm very high	58.3mm mid/neutral	57.2mm mid/neutral	54.8mm mid/neutral	53.1mm mid/neutral
Mechanical Trail	79.3mm	55.4mm	54.4mm	52.3mm	50.7mm
Wheel Flop	25.8mm	17.1mm	16.8mm	15.7mm	15.1mm
Standover Height	741mm	741mm	761mm	765mm	768mm
Tire to Pedal Spindle	45mm 170 mm cranks	64.8mm 170 mm cranks	74.8mm 170 mm cranks	77.7mm 170 mm cranks	86.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	104mm 170 mm cranks	104mm 170 mm cranks	104mm 170 mm cranks	104mm 170 mm cranks	104mm 170 mm cranks

Published Sizing Recommendations

Height

155 cm

160 cm

165 cm

170 cm

175 cm

180 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:http://www.convolution.bike/phpmailer/my-bike-aspera-booking-sizing-chart.php