DRIVETRAIN

Folding bike cranks (single chainring): Compatible with Brompon, Birdy, Dahon, Moulton and other brands

Pneuma BCSC double chainrings is specifically designed to work with Birdy bikes.

Folding bike cranks (single chainring): Compatible with Brompon, Birdy, Dahon, Moulton and other brands

Single chainrings compatible with 11-12 speeds folding / road bikes or bikes that meet the BCD130 standard

 Double Chainrings compatible with 11speed folding / road bikes or bikes that meet the BCD130 standard

A chain tensioner to help preventing chain drops and chain stay hits while riding your Birdy.