2023 Rivendell Bicycle Works Platypus Base 50
Build
650B/27.5 in × 50 mm
Insights
Somewhat aggressive stack and reach vs trend of sport touring bikes
Design deviates from other sizes of Rivendell Bicycle Works Platypus
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 560mm |
| Reach | 404mm |
| Stack to Reach Ratio | 1.39:1 |
| Top Tube Length, Effective/Horizontal Unknown | 590mm |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 72deg |
| Bottom Bracket Drop | 67mm |
| Bottom Bracket Height | 275mm |
| Chainstay Length | 505mm |
| Chainstay Length Horizontal | 500.5mm |
| Trail | — — |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 105mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 50mm |
| Tire Outer Diameter | 684mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Swept Back Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
| Features | Step-through |
Published Sizing Recommendations
| PBH | 74 cm to 81 cm |
Source:https://cdn.shopify.com/s/files/1/1403/7343/files/RBW_Bicycle_Geometry_Table_-_May_2023.pdf?v=1687890742