2025 Veloheld AlleyX Dropbar

	XS	S	M	L	XL
Stack	551mm	572mm	593mm	614mm	633mm
Reach	375mm	385mm	395mm	410mm	420mm
Stack to Reach Ratio	1.47:1	1.49:1	1.5:1	1.5:1	1.51:1
Seat Tube Length, C-T	466mm	486mm	527mm	557mm	587mm
Top Tube Length, Effective/Horizontal Center	528mm	549mm	571mm	592mm	613mm
Top Tube Slope	11.5deg	11.4deg	9.2deg	8deg	6.9deg
Head Tube Angle	70.5deg	71deg	71.5deg	72deg	72deg
Seat Tube Angle	74.5deg	74deg	73.5deg	73.5deg	73deg
Head Tube Length	115mm	135mm	155mm	175mm	195mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	281mm	281mm	281mm	281mm	281mm
Chainstay Length	440mm	440mm	440mm	440mm	440mm
Chainstay Length Horizontal	434.4mm	434.4mm	434.4mm	434.4mm	434.4mm
Front-Center	602.7mm	614.6mm	626.5mm	643.4mm	659.3mm
Front-Center Horizontal	598.6mm	610.6mm	622.6mm	639.6mm	655.6mm
Wheelbase	1033mm	1045mm	1057mm	1074mm	1090mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Trail	71.3mm high	68mm high	64.7mm mid/neutral	61.5mm mid/neutral	61.5mm mid/neutral
Mechanical Trail	67.2mm	64.3mm	61.4mm	58.5mm	58.5mm
Wheel Flop	22.4mm	20.9mm	19.5mm	18.1mm	18.1mm
Tire to Pedal Spindle	81.7mm 170 mm cranks	93.6mm 170 mm cranks	105.5mm 170 mm cranks	122.4mm 170 mm cranks	138.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks

Published Sizing Recommendations

Height

155 cm

165 cm

164 cm

174 cm

173 cm

183 cm

182 cm

188 cm

195 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.com/product/veloheld-alleyx-complete-bike/#tab-1672853583176-3-71689401477286169270386829116965084118031698242629298