Usually, it isn't.
Bicycles don't pollute, and riding them is a nice, low-impact source of aerobic exercise.
Only times riding them would be bad is if you have some sort of medical condition that makes it unsuitable( poor balance, really poor strength, brittle bones etc), or if you really have no suitable place to ride it, or if there's something wrong with the bicycle you were planning to use.
There is no reason a girl shouldn't ride a bicycle.
Of course - what possible reason could there be for them not doing so?
When Fish Ride Bicycles was created on 2011-07-12.
I do
horses, bicycles and motorbikes
yes
There are plenty of brands of bicycles for young girls. However, some of good brand of bicycles for young girls are Apollo cupcake girls bike, or another brand of bicycle is Trax.
Fish have no ankles, nor do they ride bicycles.
This means that there are multiple girls that possess something. Example: The girls' bicycles are blue. This sentence means that multiple bicycles owned by multiple girls are blue.
In a circus, bears can ride bicycles.
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It's perfectly legal to ride bicycles on most roads. So ride on the road whenever you need or want to.
Maybe not straight out of the woods, but bears have been trained to ride bicycles for circuses and street performers.