Hi all i got the chain Tensioner today its used but was free so i wasnt to botherd. I have a problem with it it fits on the mech easy and its set up but it isnt doing what its supposed to do tenchion the chain, we ever i pedel it gets pulled forword and the chain just sags. Me and a mate looked at it and we cant figure out how to do it, so can any one give me some help and if you want pics of it ask and i will get them up tomoro. Thanks Blake