Bicycle
Parallel to the regular city bicycles, other bicycle types have gained popularity and sales of race bikes, off-road bicycles and e-bikes have grown 1).
see Bicycle helmet
see Bicycle trauma
1)
Stichting BOVAG-RAI. Mobiliteit, mobiliteit in cijfers, tweewielers 2016–2017 (“Mobility in number, bicycles); 2018. http://bovagrai.info/tweewieler/2016/(consulted on March 21st 2018).