1981 Trek Bikes 710 Base
- Category
- Touring
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
Geometry
52 | 49 | 56 | 60 | 64 | 24" | |
Stack | 499.1mm | 475.6mm | 537.6mm | 574.5mm | 611.2mm | 600mm |
Reach | 396.5mm | 409.5mm | 400.8mm | 399.7mm | 397.9mm | — |
Stack to Reach Ratio | 1.26:1 | 1.16:1 | 1.34:1 | 1.44:1 | 1.54:1 | — |
Seat Tube Length, C-T | 520mm | 490mm | 560mm | 600mm | 640mm | — |
Seat Tube Length, Unknown | — | — | — | — | — | 6150mm |
Top Tube Length, Effective/Horizontal Center | 545mm | 530mm | 560mm | 575mm | 590mm | — |
Top Tube Length, Effective/Horizontal Unknown | — | — | — | — | — | 580mm |
Top Tube Length, Actual C-C | 545mm | 530mm | 560mm | 575mm | 590mm | — |
Top Tube Slope | 0deg | 0deg | 0deg | 0deg | 0deg | 0deg |
Head Tube Angle | 72.5deg | 73deg | 73.5deg | 73.5deg | 73.5deg | 73.5deg |
Seat Tube Angle | 73.5deg | 76deg | 73.5deg | 73deg | 72.5deg | 73deg |
Head Tube Length | — | — | — | — | — | 170mm |
Bottom Bracket Drop | 72mm | 72mm | 72mm | 72mm | 72mm | 75mm |
Bottom Bracket Height | 262mm | 262mm | 262mm | 262mm | 262mm | 266mm |
Chainstay Length | 435mm | 435mm | 435mm | 435mm | 435mm | 4450mm |
Chainstay Length Horizontal | 429mm | 429mm | 429mm | 429mm | 429mm | 4449.4mm |
Front-Center | 590.4mm | 584.5mm | 591.4mm | 603.3mm | 613.2mm | 5950mm |
Front-Center Horizontal | 586mm | 580mm | 587mm | 599mm | 609mm | -3414.4mm |
Wheelbase | 1015mm | 1009mm | 1016mm | 1028mm | 1038mm | 1035mm |
Fork Offset/Rake | 55mm | 55mm | 45mm | 55mm | 55mm | 420mm |
Trail | 47.6mm mid/neutral | 44.6mm low | 52mm mid/neutral | 41.6mm low | 41.6mm low | -337mm |
Mechanical Trail | 45.4mm | 42.7mm | 49.9mm | 39.9mm | 39.9mm | -323.1mm |
Wheel Flop | 13.7mm | 12.5mm | 14.2mm | 11.3mm | 11.3mm | -91.8mm |
Standover Height | — | — | — | — | — | 840mm |
Tire to Pedal Spindle | 86.4mm 170 mm cranks | 80.5mm 170 mm cranks | 87.4mm 170 mm cranks | 99.3mm 170 mm cranks | 109.2mm 170 mm cranks | 5439mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 92mm 170 mm cranks | 92mm 170 mm cranks | 92mm 170 mm cranks | 92mm 170 mm cranks | 92mm 170 mm cranks | 96mm 170 mm cranks |
Base Build
52 | 49 | 56 | 60 | 64 | 24" | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 23mm | 23mm | 23mm | 23mm | 23mm | 30mm |
Tire Width Max | — | — | — | — | — | 30mm |
Tire Outer Diameter | 668mm | 668mm | 668mm | 668mm | 668mm | 682mm |
Bike Length with Tires | 1683mm | 1677mm | 1684mm | 1696mm | 1706mm | 1717mm |
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
TouringSource:http://www.vintage-trek.com/images/trek/Trek81.pdf, https://www.vintage-trek.com/images/trek/Trek81a.pdf