Originally Posted by Rog
Snug describes it well Keith and it sealed on the first attempt just by nipping up with a screwdriver.
On that basis, think I will go for 16mm which is bound to fit rather than trying to tightly squeeze a 19mm in, which may put a strain on the internal reinforcing of the pipe.. 🤞

Doug
2011 Plus 4 in Rich Maroon

1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900