1. Blasinstrument   wheel   handbrake   tricycle   horn   Hint Half-n-half Clue   2. Pedal   sprocket   pedal   motorcycle   exhaust pipe   Half-n-half Clue   3. Reifendruck   tire pressure   wheel   sprocket   engine   Half-n-half Clue   4. Zahn   lock   sprocket   spoke   wheel   Half-n-half Clue   5. Ventil   helmet   brake   horn   valve   Half-n-half Clue   6. Rad   handbrake   inner tube   gear lever   wheel   Half-n-half Clue   7. Bremse   sprocket   chain   brake   engine   Half-n-half Clue