英文關鍵字
bicycle
fork
straightening
line
symbol
outline
bike
service
complex
setting
research
fix
broken
details
cogset
linear
contour
logo
background
lined
maintenance
pads
disc
brakes
cleaning
adjustment
seat
chain
shortening
handlebar
elimination
shifters
icon
motion
graphic
animation
pictogram
hd
animated
item
sign
black