2025 Quick Pro AR:ONE Base

	XS	XS/430	S	S/460	M	M/490	L	L/520	XL	XL/550	XXL/580
Stack	503.9mm	503.9mm	516.7mm	516.7mm	534.6mm	534.6mm	552mm	552mm	566.6mm	566.6mm	587.7mm
Reach	375.4mm	375.4mm	382.2mm	382.2mm	386.7mm	386.7mm	391.4mm	391.4mm	402mm	402mm	412.3mm
Stack to Reach Ratio	1.34:1	1.34:1	1.35:1	1.35:1	1.38:1	1.38:1	1.41:1	1.41:1	1.41:1	1.41:1	1.43:1
Seat Tube Length, C-T	—	430mm	—	460mm	—	490mm	—	520mm	—	550mm	580mm
Top Tube Length, Effective/Horizontal HT Top	—	510mm	—	525mm	—	540mm	—	555mm	—	570mm	589mm
Top Tube Length, Effective/Horizontal Unknown	510mm	—	525mm	—	540mm	—	555mm	—	570mm	—	—
Top Tube Length, Actual C-C	430mm	—	460mm	—	490mm	—	520mm	—	550mm	—	—
Top Tube Slope	—	10.3deg	—	8.3deg	—	7deg	—	5.7deg	—	4deg	3.1deg
Head Tube Angle	70deg	70deg	71deg	71deg	72deg	72deg	73deg	73deg	73deg	73deg	73.5deg
Seat Tube Angle	75deg	75deg	74.5deg	74.5deg	74deg	74deg	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	105mm	105mm	115mm	115mm	130mm	130mm	145mm	145mm	160mm	160mm	180mm
Bottom Bracket Drop	71.6mm	71.7mm	71.6mm	71.7mm	71.6mm	71.7mm	71.6mm	71.7mm	71.6mm	71.7mm	71.7mm
Bottom Bracket Height	267.4mm	267.3mm	267.4mm	267.3mm	267.4mm	267.3mm	267.4mm	267.3mm	267.4mm	267.3mm	267.3mm
Chainstay Length	408mm	408mm	408mm	408mm	408mm	408mm	408mm	408mm	408mm	408mm	408mm
Chainstay Length Horizontal	401.7mm	401.7mm	401.7mm	401.7mm	401.7mm	401.7mm	401.7mm	401.7mm	401.7mm	401.7mm	401.7mm
Front-Center	584.8mm	584.8mm	587.2mm	587.2mm	588.7mm	588.7mm	589.7mm	589.7mm	604.7mm	604.6mm	616.2mm
Front-Center Horizontal	580.4mm	580.4mm	582.8mm	582.9mm	584.3mm	584.4mm	585.3mm	585.4mm	600.4mm	600.4mm	612.1mm
Wheelbase	982.1mm	982mm	984.5mm	984.5mm	986mm	986mm	987mm	987mm	1002.1mm	1002mm	1013.7mm
Fork Offset/Rake	45mm	50mm	45mm	50mm	45mm	45mm	45mm	45mm	45mm	45mm	45mm
Fork Length, Unknown	368mm	370mm	368mm	370mm	368mm	370mm	368mm	370mm	368mm	370mm	370mm
Trail	75.5mm high	70.2mm high	69.1mm high	63.9mm mid/neutral	62.8mm mid/neutral	62.8mm mid/neutral	56.6mm mid/neutral	56.6mm mid/neutral	56.6mm mid/neutral	56.6mm mid/neutral	53.5mm mid/neutral
Mechanical Trail	70.9mm	65.9mm	65.4mm	60.4mm	59.8mm	59.8mm	54.1mm	54.1mm	54.1mm	54.1mm	51.3mm
Wheel Flop	24.3mm	22.6mm	21.3mm	19.7mm	18.5mm	18.5mm	15.8mm	15.8mm	15.8mm	15.8mm	14.6mm
Standover Height	710.5mm	710.5mm	736mm	736mm	761.5mm	761.5mm	787mm	787mm	812.5mm	812.5mm	837mm
Tire to Pedal Spindle	75.8mm 170 mm cranks	75.8mm 170 mm cranks	78.2mm 170 mm cranks	78.2mm 170 mm cranks	79.7mm 170 mm cranks	79.7mm 170 mm cranks	80.7mm 170 mm cranks	80.7mm 170 mm cranks	95.7mm 170 mm cranks	95.6mm 170 mm cranks	107.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	97.4mm 170 mm cranks	97.3mm 170 mm cranks	97.4mm 170 mm cranks	97.3mm 170 mm cranks	97.4mm 170 mm cranks	97.3mm 170 mm cranks	97.4mm 170 mm cranks	97.3mm 170 mm cranks	97.4mm 170 mm cranks	97.3mm 170 mm cranks	97.3mm 170 mm cranks

	XS	XS/430	S	S/460	M	M/490	L	L/520	XL	XL/550	XXL/580
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm	28mm	28mm	28mm	28mm	28mm	28mm	28mm	28mm	28mm
Tire Width Max	32mm	32mm	32mm	32mm	32mm	32mm	32mm	32mm	32mm	32mm	32mm
Tire Outer Diameter	678mm	678mm	678mm	678mm	678mm	678mm	678mm	678mm	678mm	678mm	678mm
Bike Length with Tires	1660.1mm	1660mm	1662.5mm	1662.5mm	1664mm	1664mm	1665mm	1665mm	1680.1mm	1680mm	1691.7mm

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.

Learn more about the Upright/Aggressive Scale

Category Trend

Performance Road

Source:https://www.quickprousa.com/products/ar-one-ultegra-di2, https://www.quickprousa.com/products/ar-one-champion-edition

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2025 Quick Pro AR:ONE Base

Geometry

Base Build

Stack and Reach vs. Category Trend