Name: 2011 Trek Bikes Earl Base
Brand: Trek Bikes

	49cm	54cm	57cm	61cm
Stack	518.9mm	518.9mm	547.6mm	585.7mm
Reach	398.4mm	418.4mm	419.4mm	437.4mm
Stack to Reach Ratio	1.3:1	1.24:1	1.31:1	1.34:1
Seat Tube Length, C-T	490mm	540mm	570mm	610mm
Top Tube Length, Effective/Horizontal HT Top	550mm	570mm	590mm	620mm
Head Tube Angle	72.5deg	72.5deg	72.5deg	72.5deg
Seat Tube Angle	74deg	74deg	73deg	73deg
Head Tube Length	75mm	75mm	105mm	145mm
Bottom Bracket Drop	58mm	58mm	58mm	58mm
Bottom Bracket Height	281mm	281mm	281mm	281mm
Chainstay Length	430mm	430mm	430mm	430mm
Chainstay Length Horizontal	426.1mm	426.1mm	426.1mm	426.1mm
Front-Center	593.8mm	613.7mm	623.6mm	653.5mm
Front-Center Horizontal	590.9mm	610.9mm	620.9mm	650.9mm
Wheelbase	1017mm	1037mm	1047mm	1077mm
Fork Offset/Rake	45mm	45mm	45mm	45mm
Fork Length (Axle-To-Crown)	405mm	405mm	405mm	405mm
Trail	59.7mm mid/neutral	59.7mm mid/neutral	59.7mm mid/neutral	59.7mm mid/neutral
Mechanical Trail	56.9mm	56.9mm	56.9mm	56.9mm
Wheel Flop	17.1mm	17.1mm	17.1mm	17.1mm
Tire to Pedal Spindle	84.8mm 170 mm cranks	104.7mm 170 mm cranks	114.6mm 170 mm cranks	144.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 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.

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2011 Trek Bikes Earl Base

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