1992 990 Trek Bikes Single Track Base 50cm
Build
26 in × 2.1 in
Insights
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Seat Tube Length, Unknown | 481mm |
| Top Tube Length, Effective/Horizontal Unknown | 575mm |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73deg |
| Bottom Bracket Drop | 34.8mm |
| Bottom Bracket Height | 298mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 428.6mm |
| Front-Center | 634.4mm |
| Front-Center Horizontal | 633.4mm |
| Wheelbase | 1062mm |
| Fork Offset/Rake | 45mm |
| Trail | 67mm high |
| Mechanical Trail | 63.4mm |
| Wheel Flop | 20.6mm |
| Standover Height | 781mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 131.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 128mm |
Base Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 2.1in |
| Tire Outer Diameter | 665.7mm |
| Bike Length with Tires | 1727.7mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:http://vintage-trek.com/images/trek/1992/1992TrekBikecatalog.pdf