2020 René Herse 650B Randonneuse Jan Heine 585
Build
650B/27.5 in × 42 mm
Insights
Average stack and reach vs trend of endurance road bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 592.9mm |
| Reach | 383.7mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, C-C | 585mm |
| Top Tube Length, Effective/Horizontal Center | 565mm |
| Top Tube Length, Actual C-C | 565mm |
| Top Tube Slope | 0deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 73deg |
| Bottom Bracket Drop | 64mm |
| Bottom Bracket Height | 270mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 430.3mm |
| Front-Center | 624mm |
| Front-Center Horizontal | 622.7mm |
| Wheelbase | 1053mm |
| Fork Offset/Rake | 70mm |
| Trail | 28.9mm very low |
| Mechanical Trail | 27.7mm |
| Wheel Flop | 8.1mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 120mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 100mm |
Jan Heine Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 668mm |
| Bike Length with Tires | 1721mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
Source:Bicycle Quarterly #71, spring 2020