1. Kette   tire pressure   chain   tire   gear lever   Hint Half-n-half Clue   2. Dreirad   sprocket   tricycle   gear lever   handlebar   Half-n-half Clue   3. Speiche   handlebar   pump   spoke   seat   Half-n-half Clue   4. Gangschaltung   wheel   chain   gear lever   helmet   Half-n-half Clue   5. Schlauch   scooter   inner tube   lock   helmet   Half-n-half Clue   6. Helm   scooter   brake   shock absorber   helmet   Half-n-half Clue   7. Lenkstange   handlebar   handbrake   scooter   cable   Half-n-half Clue