1998 Klein Bicycle Corporation Pinnacle Base 51cm / 20in
Build
26 in × 2.35 in
Insights
Somewhat aggressive stack and reach vs trend of hardtail cross-country mtb bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 560.9mm |
| Reach | 393.2mm |
| Stack to Reach Ratio | 1.43:1 |
| Seat Tube Length, Unknown | 508mm |
| Top Tube Length, Effective/Horizontal Center | 576.8mm |
| Top Tube Length, Actual C-C | 557mm |
| Top Tube Slope | 8deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 72deg |
| Bottom Bracket Drop | 42mm |
| Bottom Bracket Height | 297.2mm |
| Chainstay Length | 430.5mm |
| Chainstay Length Horizontal | 428.5mm |
| Front-Center | 632.1mm |
| Front-Center Horizontal | 630.7mm |
| Wheelbase | 1059.2mm |
| Fork Offset/Rake | 44.4mm |
| Trail | 76.2mm high |
| Mechanical Trail | 71.6mm |
| Wheel Flop | 24.5mm |
| Standover Height | 741.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 122.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 127.2mm |
Base Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 2.35in |
| Tire Outer Diameter | 678.4mm |
| Bike Length with Tires | 1737.6mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Steel |
| Brake Type | Rim |
Published Sizing Recommendations
| Height | 5 ft 6 in to 5 ft 9 in |
Source:http://www.vintage-trek.com/Trek-Fisher-Klein-Lemond/1989klein.pdf