thinking of taking the flap valve off my bike and I remember seeing in a thread that there were two types of tube available one from NN and another but cannot find the link to this other supplier . the one I am after
looked like it was machined as it had a centre piece that was the same diameter as the two pipe at either end .any help with this query would be helpful .
looked like it was machined as it had a centre piece that was the same diameter as the two pipe at either end .any help with this query would be helpful .