機器
bicycle
bike
chain
chainwheel
circle
cog
cogwheel
crank
cycle
cyclist
design
drive
element
equipment
flat
gear
graphic
green
icon
illustration
isolated
mechanism
metal
mountain
part
pattern
pedal
pictogram
power
race
random
ride
rotation
seamless
sign
silhouette
simple
speed
sport
sprocket
symbol
technology
transmission
transportation
vehicle
wheel