1990 GT Bicycles outpost Base
- Category
- Hardtail Cross-country MTB
- Design
- Swept Back Bar, Rigid, non-suspension corrected
Geometry
16" Rahmen | 18" Rahmen | 20" Rahmen | 22" Rahmen | |
Seat Tube Length, C-T | 45.5mm | 50.8mm | 55.9mm | 61mm |
Seat Tube Length, C-C | 40.6mm | 45.7mm | 50.8mm | 55.9mm |
Top Tube Length, Effective/Horizontal Center | 54.5mm | 56mm | 57mm | 58.5mm |
Head Tube Angle | 70.5deg | 71deg | 71.5deg | 71.5deg |
Seat Tube Angle | 73deg | 73.5deg | 74deg | 74deg |
Bottom Bracket Drop | 298.6mm | 298.3mm | 298mm | 298mm |
Bottom Bracket Height | 29.2mm | 29.5mm | 29.8mm | 29.8mm |
Chainstay Length | 43mm | 43mm | 43mm | 43mm |
Fork Offset/Rake | 4.5mm | 4.5mm | 4.5mm | 4.5mm |
Trail | 111.3mm very high | 108.1mm very high | 104.9mm very high | 104.9mm very high |
Mechanical Trail | 104.9mm | 102.2mm | 99.5mm | 99.5mm |
Wheel Flop | 35mm | 33.3mm | 31.6mm | 31.6mm |
Pedal Spindle to Ground Clearance | -140.8mm 170 mm cranks | -140.5mm 170 mm cranks | -140.2mm 170 mm cranks | -140.2mm 170 mm cranks |
Base Build
16" Rahmen | 18" Rahmen | 20" Rahmen | 22" Rahmen | |
Wheel Size | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD |
Tire Width | 1.9in | 1.9in | 1.9in | 1.9in |
Tire Outer Diameter | 655.5mm | 655.5mm | 655.5mm | 655.5mm |
Source:self