1. piñón, diente de engranaje   chain   sprocket   lock   seat   Hint Half-n-half Clue   2. amortiguador   tire pressure   exhaust pipe   sprocket   shock absorber   Half-n-half Clue   3. presión del neumático   pump   brake   tire pressure   lock   Half-n-half Clue   4. freno   shock absorber   brake   pedal   engine   Half-n-half Clue   5. cable   scooter   cable   motorcycle   seat   Half-n-half Clue   6. triciclo   tricycle   seat   cable   wheel   Half-n-half Clue   7. válvula   pump   scooter   valve   cable   Half-n-half Clue