bicycles

ThefirstbicyclewasinventedbyaFrenchman,BaronvonDrais,inthe

pushedtheirfeet

edpeoplegetaroundparksand

gardens.

In1865pedals(踏板)chinewas

suppodtobecalled"FastFoot",butinsteadpeoplecalledit"thebone

shaker".Why?Itwasmadeofwood,

peoplerodeitonstonestheyshookalot!

In1870,tiresonwheels

twowheelsweren'nt

gerwheelwassuppod

chinewasthefirst

ashardtorideandwasveryexpensive.

Theycostaworkersixmonths'pay.

Inthe1890schaindrive,thepneumatic(充气的)tyreandsame-sizewheels

gmenloveditbecau

ingbecamepopular,notjust

amongmenbutalsowithwomen.

Makersaretryingwithnewmaterialstomakebicycleslighterandeasier

toride,andaddingmanysizesofgears

TimeInventorInventionAdvantages&disadvantages

Inthe1810sBaronvonDrais

Awalkingmachinemade

ofwood

Helppeoplegetaroundparks

andgardens

In1865/Addedpeddles

oplerodeonstonesthey

shookalot.

In1870/

stall-metal

bicyclewithrubbertyres

24gavepeopleasmoothride,butit

waxpensive.

In1890s/

umatictyreand

same-sizewheels

ndmorecomfortable