1. Reifendruck   valve   shock absorber   tire pressure   cable   Hint Half-n-half Clue   2. Pedal   cable   pedal   lock   exhaust pipe   Half-n-half Clue   3. Dreirad   seat   inner tube   tricycle   engine   Half-n-half Clue   4. Rad   wheel   pedal   handbrake   helmet   Half-n-half Clue   5. Kette   scooter   chain   gear lever   sprocket   Half-n-half Clue   6. Bremse   brake   pump   engine   handlebar   Half-n-half Clue   7. Motorroller   inner tube   brake   engine   scooter   Half-n-half Clue