I finally bought the slack adjuster ah, I is really very happy brow! To know before I have to give up because I really can not find the slack adjuster ah, this is very important if without it, I really can not do! I was very depressed! This model is the one I bought abroad so that the slack adjuster is also a corresponding, but now it will be less a I was very depressed! Finally, it is also in my friend’s efforts finally found the slack adjuster, is really no way to describe my mood at that time ah, really happy.