Yes
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
Giant Bicycles was created in 1972.
Canyon Bicycles was created in 1985.
The population of Canyon Bicycles is 161.
GT Bicycles was created in 1979.
Bicycles Are for the Summer was created in 1984.
Ridley - bicycles - was created in 1997.