1978 Gitane Olympic Base 57cm
Build
700C/29 in × 28 mm
Insights
Very aggressive stack and reach vs trend of endurance road bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 564mm |
| Reach | 406mm |
| Stack to Reach Ratio | 1.39:1 |
| Seat Tube Length, C-C | 555mm |
| Top Tube Length, Effective/Horizontal Unknown | 575mm |
| Top Tube Slope | 0deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 147mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 274mm |
| Chainstay Length | 408mm |
| Chainstay Length Horizontal | 402.8mm |
| Front-Center | 596mm |
| Front-Center Horizontal | 592.2mm |
| Wheelbase | 995mm |
| Fork Offset/Rake | 42mm |
| Fork Length (Axle-To-Crown) | 372mm |
| Trail | 59.7mm mid/neutral |
| Mechanical Trail | 57.1mm |
| Wheel Flop | 16.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 87mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 104mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1673mm |
| Crank Length | 170mm |
| Stem Length | 80mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
Source:I own this bike and measured it myself.