1977 Trek Bikes 900 Base 49
Build
700C/29 in × 1.5 in
Insights
Design deviates from other sizes of Trek Bikes 900
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Seat Tube Length, C-C | 490mm |
| Top Tube Length, Actual C-C | 530mm |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73deg |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 289.1mm |
| Chainstay Length | 420mm |
| Chainstay Length Horizontal | 415.7mm |
| Front-Center | 608.3mm |
| Front-Center Horizontal | 605.3mm |
| Wheelbase | 1021mm |
| Fork Offset/Rake | 45mm |
| Fork Length (On-Axis) | 370mm |
| Trail | 72.6mm high |
| Mechanical Trail | 68.7mm |
| Wheel Flop | 22.4mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 89.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 119.1mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 1.5in |
| Tire Outer Diameter | 698.2mm |
| Bike Length with Tires | 1719.2mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
Source:http://www.vintage-trek.com/images/trek/TrekMidwest/TrekMidwest.pdf