1. asiento   sprocket   engine   wheel   seat   Hint Half-n-half Clue   2. válvula   motorcycle   valve   shock absorber   brake   Half-n-half Clue   3. piñón, diente de engranaje   sprocket   tire pressure   scooter   helmet   Half-n-half Clue   4. pedal   seat   gear lever   pedal   brake   Half-n-half Clue   5. motocicleta   motorcycle   valve   gear lever   horn   Half-n-half Clue   6. tubo de escape   spoke   brake   exhaust pipe   tire pressure   Half-n-half Clue   7. palanca de cambio de velocidades   helmet   scooter   gear lever   shock absorber   Half-n-half Clue