1. 纜繩   wheel   cable   exhaust pipe   spoke   Hint Half-n-half Clue   2. 鎖   lock   handbrake   tire   horn   Half-n-half Clue   3. 鏈子   chain   spoke   lock   exhaust pipe   Half-n-half Clue   4. 輪幅   inner tube   exhaust pipe   horn   spoke   Half-n-half Clue   5. 閥門   tire   spoke   chain   valve   Half-n-half Clue   6. 閘   brake   wheel   tire   spoke   Half-n-half Clue   7. 輪子   motorcycle   pedal   wheel   scooter   Half-n-half Clue