2021 Author guru carbon

	480	500	520	540	560
Stack	551mm	571mm	586mm	607mm	621mm
Reach	366mm	365mm	371mm	373mm	384mm
Stack to Reach Ratio	1.51:1	1.56:1	1.58:1	1.63:1	1.62:1
Seat Tube Length, C-T	480mm	500mm	520mm	540mm	560mm
Seat Tube Length, C-C	432mm	452mm	472mm	492mm	512mm
Top Tube Length, Effective/Horizontal Center	499mm	514mm	529mm	542mm	558mm
Top Tube Length, Effective/Horizontal HT Top	514mm	534mm	550mm	565mm	580mm
Top Tube Slope	10.1deg	10.2deg	9.6deg	9.8deg	8.9deg
Head Tube Angle	70.8deg	71.2deg	71.5deg	71.5deg	71.5deg
Seat Tube Angle	75deg	73.5deg	73deg	72.5deg	72.5deg
Head Tube Length	120mm	140mm	155mm	180mm	195mm
Bottom Bracket Drop	77mm	75mm	75mm	72mm	72mm
Bottom Bracket Height	272mm	274mm	274mm	277mm	277mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	418mm	418.3mm	418.3mm	418.9mm	418.9mm
Front-Center	592.1mm	593.4mm	601.4mm	611.4mm	626.3mm
Front-Center Horizontal	587mm	588.7mm	596.7mm	607.1mm	622.1mm
Wheelbase	1005mm	1007mm	1015mm	1026mm	1041mm
Fork Offset/Rake	52mm	52mm	52mm	52mm	52mm
Fork Length, Unknown	401mm	401mm	401mm	401mm	401mm
Trail	66.5mm high	63.9mm mid/neutral	61.9mm mid/neutral	61.9mm mid/neutral	61.9mm mid/neutral
Mechanical Trail	62.8mm	60.5mm	58.7mm	58.7mm	58.7mm
Wheel Flop	20.6mm	19.5mm	18.6mm	18.6mm	18.6mm
Tire to Pedal Spindle	73.1mm 170 mm cranks	74.4mm 170 mm cranks	82.4mm 170 mm cranks	92.4mm 170 mm cranks	107.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	102mm 170 mm cranks	104mm 170 mm cranks	104mm 170 mm cranks	107mm 170 mm cranks	107mm 170 mm cranks

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://en.author.eu/adventure/gravel-bike/author-guru-2023-ua42952102#!geometrie-modelu

Geometry