1. ひじょうブレーキ   shock absorber   lock   sprocket   handbrake   Hint Half-n-half Clue   2. はいきかん   sprocket   helmet   exhaust pipe   cable   Half-n-half Clue   3. くさり   chain   seat   engine   horn   Half-n-half Clue   4. きかん   engine   pedal   exhaust pipe   lock   Half-n-half Clue   5. ふみいた   shock absorber   chain   exhaust pipe   pedal   Half-n-half Clue   6. へんそくレバー   wheel   horn   gear lever   seat   Half-n-half Clue   7. じょう   engine   pedal   lock   wheel   Half-n-half Clue