2020 Veloheld Alley Base

	S	M	L	XL
Stack	532mm	558mm	572mm	598mm
Reach	397mm	395mm	406mm	418mm
Stack to Reach Ratio	1.34:1	1.41:1	1.41:1	1.43:1
Seat Tube Length, C-T	520mm	555mm	575mm	600mm
Top Tube Length, Effective/Horizontal HT Top	540mm	550mm	570mm	590mm
Top Tube Slope	3.2deg	2.4deg	2deg	2.1deg
Head Tube Angle	73deg	73.5deg	73.5deg	74deg
Seat Tube Angle	75deg	74.5deg	74deg	74deg
Head Tube Length	130mm	155mm	170mm	195mm
Bottom Bracket Drop	55mm	55mm	55mm	55mm
Bottom Bracket Height	284mm	284mm	284mm	284mm
Chainstay Length	390mm	390mm	390mm	390mm
Chainstay Length Horizontal	386.1mm	386.1mm	386.1mm	386.1mm
Front-Center	592.5mm	594.5mm	609.4mm	622.3mm
Front-Center Horizontal	589.9mm	591.9mm	606.9mm	619.9mm
Wheelbase	976mm	978mm	993mm	1006mm
Fork Offset/Rake	38mm	38mm	38mm	38mm
Trail	63.9mm mid/neutral	60.8mm mid/neutral	60.8mm mid/neutral	57.7mm mid/neutral
Mechanical Trail	61.1mm	58.3mm	58.3mm	55.4mm
Wheel Flop	17.9mm	16.6mm	16.6mm	15.3mm
Tire to Pedal Spindle	83.5mm 170 mm cranks	85.5mm 170 mm cranks	100.4mm 170 mm cranks	113.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	114mm 170 mm cranks	114mm 170 mm cranks	114mm 170 mm cranks	114mm 170 mm cranks

Published Sizing Recommendations

Height	165 cm to 175 cm	174 cm to 185 cm	184 cm to 190 cm	189 cm to 195 cm
PBH	79 cm to 83 cm	83 cm to 88 cm	88 cm to 92 cm	92 cm to 96 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.veloheld.de/veloheld-alley-frame