1988 Trek Bikes 400 series Base Large
Build
700C/29 in × 3 mm
Insights
Average stack and reach vs trend of performance road bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 575.2mm |
| Reach | 393.3mm |
| Stack to Reach Ratio | 1.46:1 |
| Seat Tube Length, C-C | 565mm |
| Top Tube Length, Effective/Horizontal Center | 564mm |
| Top Tube Length, Actual C-C | 564mm |
| Top Tube Slope | 0deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 145mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 242mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.9mm |
| Front-Center | 607mm |
| Front-Center Horizontal | 596.1mm |
| Wheelbase | 1020mm |
| Fork Offset/Rake | 45mm |
| Trail | 48.9mm mid/neutral |
| Mechanical Trail | 46.8mm |
| Wheel Flop | 13.7mm |
| Standover Height | 823mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 118mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 67mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 3mm |
| Tire Outer Diameter | 628mm |
| Bike Length with Tires | 1648mm |
| Crank Length | 175mm |
| 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/Trek88_1.pdf