Tyres and Inner tubes for the Reise and Muller Birdy folding bike
The Birdy uses an ETRTO size of xx-355
As standard the Birdy City and Birdy Rolhoff come as standard with Schwalbe Big Apple 50-355 tyres and the Birdy Touring comes with Schwalbe Marathon Racer 40-355 tyres
The Marathon Racer is the fastest Schwalbe Marathon tyre ever, optimised for speed. 18 x 1.5 inches / ETRTO size: 40-355
Schwalbe 18 x 1 3/8 inch and 18 x 1.50 - 1.75 inch and 17 x 1 1/4 inch inner tube with presta / racing type valve.
Schwalbe Big Apple 50-355 / 16 x 2 inch tyre