2008 Trek Bikes 1 Series Base 43cm
Build
700C/29 in × 23 mm
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of Trek Bikes 1 Series
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 484mm |
| Reach | 355mm |
| Stack to Reach Ratio | 1.36:1 |
| Seat Tube Length, C-T | 381mm |
| Top Tube Length, Effective/Horizontal Center | 480mm |
| Top Tube Slope | 14.3deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 75.5deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 264mm |
| Chainstay Length | 408mm |
| Chainstay Length Horizontal | 402mm |
| Front-Center | 562.4mm |
| Front-Center Horizontal | 558.1mm |
| Wheelbase | 960mm |
| Fork Offset/Rake | 40mm |
| Trail | 79mm high |
| Mechanical Trail | 74.2mm |
| Wheel Flop | 25.4mm |
| Standover Height | 644mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 58.4mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 94mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 23mm |
| Tire Outer Diameter | 668mm |
| Bike Length with Tires | 1628mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Rim |
Source:https://archive.trekbikes.com/uk/en/2008/trek/12u#/uk/en/2008/trek/12u/details