aluminum
アルミニウム
accessory
activity
alloy
athlete
background
bearing
bicycle
bolt
cassette
chain
closeup
cnc
cycle
cycling
derailleur
element
emergency
equipment
freewheel
gear
isolated
jockey
kit
mechanism
metal
mtb
new
object
part
parts
protection
pulley
race
racing
rear
replace
replacement
ride
road
slow
speed
sport
sprocket
tooth
transport
transportation
wheel
wheels
white