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Celerifere
Invented by Comte Mede de Sivrac The first-ever "bike" invented -
Penny-Farthing
Invented by James Starley
It went from two wheels of the same size, to one huge wheel and one small wheel. -
Tricycle
Invented by James Starley
Just like the previous but instead of one big wheel there are two. -
Spacelander
Invented by Benjamen Bowden
The bike has the same body shape as present-day bikes but there were covers over the Spacelander bikes. -
Modern-day Bicycle
Inventor N.A.
The bikes stayed the same, lost the weird covers, and using modern-day technologies it has become more reliable.