carloszhang wrote:有一台老自行車座管上(恕刪) 如果試過"水溝蓋大法","餵食WD40","座墊大法"皆無效的話,然後又座管不想要.....請參考"階梯鑽"https://www.mobile01.com/topicdetail.php?f=318&t=4106466