機器
bicycle
bike
biking
black
cassette
chain
chainwheel
circle
cog
cogwheel
cycle
design
drive
equipment
frame
gear
icon
illustration
iron
isolated
metal
metallic
mountain
part
pattern
pedal
pictogram
random
red
ride
seamless
set
sign
speed
sport
sprocket
steel
symbol
technology
tooth
transmission
transport
transportation
vehicle
wheel