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