2010 Trek Bikes 520 Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Rim brake
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

48 cm
51 cm
54 cm
57 cm
60 cm
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 Center
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 Height
Chainstay Length
450mm
450mm
450mm
450mm
450mm
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
Standover Height
715mm
736mm
763mm
789mm
820mm

Base Build

48 cm
51 cm
54 cm
57 cm
60 cm
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
Tire Width
32mm
32mm
32mm
32mm
32mm
Tire Outer Diameter
686mm
686mm
686mm
686mm
686mm
Bike Length with Tires
1727mm
1731mm
1734mm
1738mm
1760mm
Crank Length
175mm

Stack and Reach vs. Category Trend

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.

Learn more about the Upright/Aggressive Scale
Category Trend
Sport Touring
Source:Manufacturer geometry chart