The gears and chain of a bicycle are extremely high wear parts. Paint would easily flake off of these parts. This is why they are typically not painted, and even when they are, like a painted BMX front sprocket, you'll find that where the chainring and chain make contact, the surface is unpainted.
Bicycles
George Mason made bicycles and painted them. he wrote the decration of rights
The word sharrow is a cross between share and arrow. It is painted on a lane to designate it as a lane -- shared by cars and bicycles. Each can use the entire lane.
If the bicycles belong to ONE FRIEND, it's "friend's bicycles." If the bicycles belong to TWO OR MORE FRIENDS, it's "friends' bicycles."
1.8 bicycles.
There is no specific collective noun for bicycles, in which case a noun suitable for the situation is used, for example a rack of bicycles, a row of bicycles, a standof bicycles, etc.
Bicycles weren't invented in Canada.
what did the ancient bicycles look like?
More bicycles
KHS Bicycles was created in 1974.
Bianchi Bicycles was created in 1885.
Ridley - bicycles - was created in 1997.