６：Ｒａｃｉｎｇ Ａｂｉｌｉｔｉｅｓ Things worth having are not easy to obtain,. Onece obtained, these item must be treated with care and resoect or they slip away. 今読んでる自転車本の内容忘れないように概要書いてます。 バイクを頑張るため…