I don't see umbrellas on bikes too much in the Netherlands, but when I do they're often this type of aerodynamic shaped umbrella: http://www.tudelft.nl/en/curre

I don't see umbrellas on bikes too much in the Netherlands, but when I do they're often this type of aerodynamic shaped umbrella: http://www.tudelft.nl/en/current/dossiers/archive/senz-umbrella/ http://www.tudelft.nl/en/current/dossiers/archive/senz-umbre...