1. 緩衝器   shock absorber   helmet   sprocket   cable   Hint Half-n-half Clue   2. 変速レバー   cable   seat   gear lever   horn   Half-n-half Clue   3. 電線   gear lever   cable   pedal   helmet   Half-n-half Clue   4. 警笛   pedal   tire pressure   chain   horn   Half-n-half Clue   5. 排気管   exhaust pipe   cable   lock   horn   Half-n-half Clue   6. 鎖   tire pressure   cable   shock absorber   chain   Half-n-half Clue   7. タイヤ空気圧   helmet   seat   gear lever   tire pressure   Half-n-half Clue