1992 Trek Bikes 520 Base 21
Build
700C/29 in × 30 mm
Insights
Very aggressive stack and reach vs trend of sport touring bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 530.5mm |
| Reach | 401.9mm |
| Stack to Reach Ratio | 1.32:1 |
| Seat Tube Length, C-C | 520mm |
| Top Tube Length, Effective/Horizontal Center | 565mm |
| Top Tube Length, Actual C-C | 565mm |
| Top Tube Slope | 0deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 73deg |
| Bottom Bracket Drop | 48mm |
| Bottom Bracket Height | 293mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 427.3mm |
| Front-Center | 611.6mm |
| Front-Center Horizontal | 609.7mm |
| Wheelbase | 1037mm |
| Fork Offset/Rake | 40mm |
| Trail | 71.9mm high |
| Mechanical Trail | 68.2mm |
| Wheel Flop | 21.6mm |
| Standover Height | 805mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 100.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 123mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 30mm |
| Tire Outer Diameter | 682mm |
| Bike Length with Tires | 1719mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
Source:https://www.vintage-trek.com/images/trek/1992/1992TrekBikecatalog.pdf