The pneumatic tire John Dunlop came up with was originally for this mode of transportation
[DOC] [TLE] bicycle facts, information, pictures | Encyclopedia.com articles about ... [PAR] Bicycles are one of the world's most popular modes of transportation, with some 
... 1800s included the use of John Boyd Dunlop's pneumatic tires, which had air-
filled ... About that time, mountain bikes were invented by two Californians, 
Charlie Kelly .....