1980 Trek Bikes 410 Base 61
Build
700C/29 in × 33 mm
Insights
Somewhat aggressive stack and reach vs trend of performance road bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 618mm |
| Reach | 428mm |
| Stack to Reach Ratio | 1.44:1 |
| Seat Tube Length, C-T | 630mm |
| Seat Tube Length, C-C | 610mm |
| Top Tube Length, Actual C-C | 600mm |
| Top Tube Slope | 1.5deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 181mm |
| Bottom Bracket Drop | 80mm |
| Bottom Bracket Height | 264mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 422.5mm |
| Front-Center | 657mm |
| Front-Center Horizontal | 652.2mm |
| Wheelbase | 1074.7mm |
| Fork Offset/Rake | 52mm |
| Trail | 53.9mm mid/neutral |
| Mechanical Trail | 51.4mm |
| Wheel Flop | 15.5mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 138mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 89mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 33mm |
| Tire Outer Diameter | 688mm |
| Bike Length with Tires | 1762.7mm |
| Crank Length | 175mm |
| Stem Length | 10cm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:http://www.vintage-trek.com/TrekBrochure1980.htm