2020 J.Guillem Bicycles Atalaya Base

	52CM	54CM	56CM	58CM
Stack	528mm	550mm	592mm	602mm
Reach	381mm	386mm	394mm	411mm
Stack to Reach Ratio	1.39:1	1.42:1	1.5:1	1.46:1
Seat Tube Length, C-T	505mm	525mm	545mm	565mm
Seat Tube Length, C-C	460mm	480mm	500mm	520mm
Top Tube Length, Effective/Horizontal Center	535mm	550mm	570mm	590mm
Top Tube Slope	4.7deg	5deg	7.2deg	6deg
Head Tube Angle	70deg	71deg	72deg	72deg
Seat Tube Angle	74deg	73.5deg	73.5deg	73.5deg
Head Tube Length	120mm	140mm	165mm	185mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm
Bottom Bracket Height	283mm	283mm	283mm	283mm
Chainstay Length	420mm	420mm	420mm	420mm
Chainstay Length Horizontal	414.1mm	414.1mm	414.1mm	414.1mm
Front-Center	603mm	603mm	615mm	635mm
Front-Center Horizontal	603.9mm	603.9mm	616.9mm	637.9mm
Wheelbase	1018mm	1018mm	1031mm	1052mm
Fork Offset/Rake	52.8mm	49.7mm	50.7mm	51.4mm
Trail	72.3mm high	69mm high	61.4mm mid/neutral	60.7mm mid/neutral
Mechanical Trail	67.9mm	65.2mm	58.4mm	57.7mm
Wheel Flop	23.2mm	21.2mm	18.1mm	17.8mm
Tire to Pedal Spindle	80mm 170 mm cranks	80mm 170 mm cranks	92mm 170 mm cranks	112mm 170 mm cranks
Pedal Spindle to Ground Clearance	113mm 170 mm cranks	113mm 170 mm cranks	113mm 170 mm cranks	113mm 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://jguillem.com/bike/atalaya-gravel

Geometry