1983 Trek Bikes 620 Base
- Category
- Touring
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Rim brake
Geometry
19in | 22.5 | |
Seat Tube Length, C-C | — | 560mm |
Seat Tube Length, Unknown | 475mm | — |
Top Tube Length, Effective/Horizontal Unknown | 536mm | — |
Top Tube Length, Actual C-C | — | 560mm |
Head Tube Angle | 72deg | 73deg |
Seat Tube Angle | 73.5deg | 73deg |
Bottom Bracket Drop | 72mm | 72mm |
Bottom Bracket Height | 271mm | 271mm |
Chainstay Length | 470mm | 440mm |
Chainstay Length Horizontal | 464.5mm | 434.1mm |
Front-Center | 585mm | 598.3mm |
Front-Center Horizontal | 580.6mm | 593.9mm |
Wheelbase | 1045mm | 1028mm |
Fork Offset/Rake | 52mm | 55mm |
Trail | 56.8mm mid/neutral | 47.4mm mid/neutral |
Mechanical Trail | 54mm | 45.3mm |
Wheel Flop | 16.7mm | 13.2mm |
Tire to Pedal Spindle | 72mm 170 mm cranks | 85.3mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 101mm 170 mm cranks | 101mm 170 mm cranks |
Base Build
19in | 22.5 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 32mm | 32mm |
Tire Outer Diameter | 686mm | 686mm |
Bike Length with Tires | 1731mm | 1714mm |
Crank Length | — | 170mm |
Source:https://www.vintage-trek.com/images/trek/85TrekTouring.pdf, http://www.vintage-trek.com/TrekBrochure1983Part1.htm