1. じょう   exhaust pipe   helmet   lock   horn   Hint Half-n-half Clue   2. ふみいた   pedal   handbrake   wheel   lock   Half-n-half Clue   3. ざせき   helmet   seat   sprocket   handbrake   Half-n-half Clue   4. くさりどめ   chain   sprocket   pedal   wheel   Half-n-half Clue   5. あんぜんぼうし   lock   exhaust pipe   helmet   horn   Half-n-half Clue   6. へんそくレバー   pedal   shock absorber   gear lever   engine   Half-n-half Clue   7. かんしょうき   horn   sprocket   lock   shock absorber   Half-n-half Clue