2014 Trek Bikes 520 Base

	48cm	51cm	54cm	57cm	60cm
Stack	530mm	541mm	554mm	576mm	614mm
Reach	372mm	377mm	382mm	387mm	396mm
Stack to Reach Ratio	1.42:1	1.44:1	1.45:1	1.49:1	1.55:1
Seat Tube Length, C-T	440mm	482mm	512mm	543mm	575mm
Top Tube Length, Effective/Horizontal HT Top	522mm	533mm	544mm	558mm	584mm
Top Tube Slope	12.2deg	8.7deg	6.8deg	5.8deg	6.5deg
Head Tube Angle	69.5deg	70deg	71deg	71.8deg	71.8deg
Seat Tube Angle	74.3deg	74deg	73.8deg	73.5deg	73deg
Head Tube Length	95mm	105mm	120mm	140mm	180mm
Bottom Bracket Drop	75mm	75mm	70mm	70mm	70mm
Bottom Bracket Height	268mm	268mm	273mm	273mm	273mm
Chainstay Length	450mm	450mm	450mm	450mm	450mm
Chainstay Length Horizontal	443.7mm	443.7mm	444.5mm	444.5mm	444.5mm
Front-Center	602mm	606mm	607.5mm	611.5mm	633.4mm
Front-Center Horizontal	597.3mm	601.3mm	603.5mm	607.5mm	629.5mm
Wheelbase	1041mm	1045mm	1048mm	1052mm	1074mm
Fork Offset/Rake	52mm	52mm	52mm	52mm	52mm
Trail	72.7mm high	69.5mm high	63.1mm mid/neutral	58mm mid/neutral	58mm mid/neutral
Mechanical Trail	68.1mm	65.3mm	59.7mm	55.1mm	55.1mm
Wheel Flop	23.9mm	22.3mm	19.4mm	17.2mm	17.2mm
Tire to Pedal Spindle	89mm 170 mm cranks	93mm 170 mm cranks	94.5mm 170 mm cranks	98.5mm 170 mm cranks	120.4mm 170 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	98mm 170 mm cranks	103mm 170 mm cranks	103mm 170 mm cranks	103mm 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://ukrbike.com.ua/doctrek/trek_2014_geometry.pdf

Geometry