1989 Gazelle Bikes Champion Mondial Randonneur Base 51
Build
700C/29 in × 28 mm
Insights
Very aggressive stack and reach vs trend of sport touring bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 485.4mm |
| Reach | 399.3mm |
| Stack to Reach Ratio | 1.22:1 |
| Seat Tube Length, C-T | 510mm |
| Top Tube Length, Effective/Horizontal Center | 558mm |
| Top Tube Length, Actual C-C | 558mm |
| Top Tube Slope | 0deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 72deg |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 271mm |
| Chainstay Length | 418mm |
| Chainstay Length Horizontal | 412.4mm |
| Front-Center | 633.2mm |
| Front-Center Horizontal | 629.6mm |
| Wheelbase | 1042mm |
| Fork Offset/Rake | 60mm |
| Trail | 56.4mm mid/neutral |
| Mechanical Trail | 53.2mm |
| Wheel Flop | 17.8mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 124.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 101mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1720mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
Source:https://www.retrobike.co.uk/gallery2/v/Manufacturer+Archive/Gazelle/Cat/1989/