2025 Corratec ALLROAD A2 Base

	46	49	52	55	58	61
Stack	550mm	571mm	588mm	609mm	626mm	647mm
Reach	360mm	365mm	371mm	375mm	380mm	385mm
Stack to Reach Ratio	1.53:1	1.56:1	1.58:1	1.62:1	1.65:1	1.68:1
Seat Tube Length, C-T	460mm	490mm	520mm	550mm	580mm	610mm
Top Tube Length, Effective/Horizontal HT Top	512mm	529mm	545mm	561mm	578mm	595mm
Top Tube Slope	12.4deg	11.3deg	9.7deg	8.8deg	7.4deg	6.7deg
Head Tube Angle	69deg	70deg	70deg	71deg	71deg	72deg
Seat Tube Angle	75deg	74deg	74deg	73deg	73deg	72deg
Head Tube Length	125mm	145mm	160mm	180mm	195mm	215mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	281mm	281mm	281mm	281mm	281mm	281mm
Chainstay Length	430mm	430mm	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	424.3mm	424.3mm	424.3mm	424.3mm	424.3mm	424.3mm
Front-Center	593.9mm	601.8mm	604.8mm	611.8mm	616.7mm	620.7mm
Front-Center Horizontal	589.7mm	597.7mm	600.7mm	607.7mm	612.7mm	616.7mm
Wheelbase	1014mm	1022mm	1025mm	1032mm	1037mm	1041mm
Fork Offset/Rake	45mm	45mm	45mm	45mm	45mm	45mm
Trail	86.5mm very high	79.9mm high	79.9mm high	73.3mm high	73.3mm high	66.7mm high
Mechanical Trail	80.8mm	75.1mm	75.1mm	69.3mm	69.3mm	63.5mm
Wheel Flop	29mm	25.7mm	25.7mm	22.6mm	22.6mm	19.6mm
Tire to Pedal Spindle	72.9mm 170 mm cranks	80.8mm 170 mm cranks	83.8mm 170 mm cranks	90.8mm 170 mm cranks	95.7mm 170 mm cranks	99.7mm 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	111mm 170 mm cranks

	46	49	52	55	58	61
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
Tire Width	40mm	40mm	40mm	40mm	40mm	40mm
Tire Width Max	45mm	45mm	45mm	45mm	45mm	45mm
Tire Outer Diameter	702mm	702mm	702mm	702mm	702mm	702mm
Bike Length with Tires	1716mm	1724mm	1727mm	1734mm	1739mm	1743mm

Published Sizing Recommendations

Height	150 cm to 168 cm	155 cm to 174 cm	163 cm to 180 cm	170 cm to 188 cm	176 cm to 194 cm	184 cm to 198 cm
PBH	46 cm to	48 cm to	51 cm to	54 cm to	57 cm to	60 cm to

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.corratec.com/bikes/year/all/bike/a2-bk30171/#frame