2019 Riese & Müller Birdy Base

Design
Flat Bar, Full suspension
Frame
Aluminum
Fork
Aluminum
Suspension
30mm fork travel
Features
Disc brake
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

Universal
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
Mechanical Trail
Wheel Flop
Standover Height
540mm
Tire to Pedal Spindle
188.1mm
170 mm cranks
Pedal Spindle to Ground Clearance
110mm
170 mm cranks

Base Build

Universal
Wheel Size
355mm BSD
355 mm BSD
Tire Width
50mm
Tire Outer Diameter
455mm
Bike Length with Tires
1465mm
Source:https://www.r-m.de/en-en/models/birdy/birdy-city/