1. kou lian chi lun   sprocket   tire   horn   pedal   Hint Half-n-half Clue   2. lun tai qi [ya;ya]   seat   tire pressure   helmet   motorcycle   Half-n-half Clue   3. [pai;pai] qi guan   lock   pedal   exhaust pipe   scooter   Half-n-half Clue   4. beng pu   gear lever   pump   sprocket   cable   Half-n-half Clue   5. la ba   exhaust pipe   engine   horn   tire pressure   Half-n-half Clue   6. lun tai   tire pressure   tire   scooter   inner tube   Half-n-half Clue   7. lun zi   sprocket   pedal   cable   wheel   Half-n-half Clue