1. さんりんしゃ   tricycle   seat   exhaust pipe   gear lever   Hint Half-n-half Clue   2. ひじょうブレーキ   chain   cable   handbrake   tire pressure   Half-n-half Clue   3. でんせん   tire pressure   cable   lock   shock absorber   Half-n-half Clue   4. はいきかん   engine   exhaust pipe   shock absorber   handbrake   Half-n-half Clue   5. くさりどめ   sprocket   engine   shock absorber   chain   Half-n-half Clue   6. くさり   pedal   shock absorber   wheel   chain   Half-n-half Clue   7. かんしょうき   tire pressure   handbrake   shock absorber   tricycle   Half-n-half Clue