1981 Trek Bikes 510 Base
- Category
- Sport Touring
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
Geometry
25 1/2 | |
Stack | 634.4mm |
Reach | 390.6mm |
Stack to Reach Ratio | 1.62:1 |
Seat Tube Length, C-C | 630mm |
Top Tube Length, Effective/Horizontal Center | 590mm |
Top Tube Length, Actual C-C | 590mm |
Top Tube Slope | 0deg |
Head Tube Angle | 73.5deg |
Seat Tube Angle | 72.5deg |
Bottom Bracket Height | — |
Chainstay Length | 435mm |
Fork Offset/Rake | 45mm |
Trail | 52mm mid/neutral |
Mechanical Trail | 49.9mm |
Wheel Flop | 14.2mm |
Base Build
25 1/2 | |
Wheel Size | 650B/27.5 in 584 mm BSD |
Tire Width | 42mm |
Tire Width Max | 48mm |
Tire Outer Diameter | 668mm |
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 ScaleCategory Trend
Sport TouringSource:http://www.vintage-trek.com/images/trek/79_80_81/81Trek3_150.jpg