1983 Trek Bikes 620 Base 22.5
Build
700C/29 in × 32 mm
Insights
Design deviates from other sizes of Trek Bikes 620
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Seat Tube Length, C-C | 560mm |
| Top Tube Length, Actual C-C | 560mm |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 73deg |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 271mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 434.1mm |
| Front-Center | 598.3mm |
| Front-Center Horizontal | 593.9mm |
| Wheelbase | 1028mm |
| Fork Offset/Rake | 55mm |
| Trail | 47.4mm mid/neutral |
| Mechanical Trail | 45.3mm |
| Wheel Flop | 13.2mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 85.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 101mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1714mm |
| Crank Length | 170mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
Source:http://www.vintage-trek.com/TrekBrochure1983Part1.htm