Quote Originally Posted by felix View Post

Good one HB! For the non chinese readers, you probably guessed it but it says inner diameter of that tube is 10mm.

That's actually a very good thread. If you read on to pages 3 and 4, have a look at the exhaust he builds and the matching spare fuel tank. Amazing shit, i want that guy to build me one too!
I can not open this link

I want to make something like this for my bike..

Thanks in advance!