2019 Riese & Müller Birdy Base Universal
Build
355mm BSD × 50 mm
Insights
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Top Tube Length, Effective/Horizontal Center | 600mm |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 88mm |
| Bottom Bracket Drop | -52.5mm |
| Bottom Bracket Height | 280mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 426.8mm |
| Front-Center | 585.6mm |
| Front-Center Horizontal | 583.2mm |
| Wheelbase | 1010mm |
| Trail | — — |
| Standover Height | 540mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 188.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 110mm |
Base Build
| Wheel Size | 355mm BSD |
| Tire Width | 50mm |
| Tire Outer Diameter | 455mm |
| Bike Length with Tires | 1465mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 30mm |
| Rear Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
Source:https://www.r-m.de/en-en/models/birdy/birdy-city/