1. helmet   kui jia   lun zi   suo   bian su [gan;gan]   Hint Half-n-half Clue   2. horn   la ba   hua [xing;hang;hang;heng;] [che;ju]   bian su [gan;gan]   lun fu   Half-n-half Clue   3. pedal   beng pu   bian su [gan;gan]   fa men   jiao;jue] [deng;deng]   Half-n-half Clue   4. tire pressure   lun tai   lun tai qi [ya;ya]   bian su [gan;gan]   lian zi   Half-n-half Clue   5. engine   san lun [che;ju]   lun fu   lun zi   yin qing   Half-n-half Clue   6. sprocket   kou lian chi lun   jiao;jue] [deng;deng]   beng pu   zha   Half-n-half Clue   7. shock absorber   huan [chong;chong] qi   suo   lun tai qi [ya;ya]   lian zi   Half-n-half Clue