I have several CCM bikes that predate 1960. They all have a piece of cork stuffed into the seatpin. An efficient solution I think.
Warren Young Toronto
>I am presently restoring an old Saronni bike. While removing the paint
>before it gets resprayed, I noticed that there was a bit of surface rust
>inside the seat tube. Probably a bit of water entered this area from the
>seat pillar. All the insides of the other tubes are perfect. After I have
>removed the rust - should not be that difficult ( luckily it was the seat
>tube ) how should I protect the inside of that tube ?
>Normally I spray inside the tubes with a rust protection liquid, similar to
>your Framesaver stuff, and when that is dry, I also give it a coat of
>linseed oil as well. ( I live by the sea - so need extra protection ! )
>I was wondering whether I should apply a metal primer to the inside of the
>seat tube or the inside of the whole frame before I put in all the other
>protection that I do. Suggestions please.
>When the frames are made, what do manufacturers do to protect the inside of
>the frames, or do they just spray the outside.
>Thanks
>Phil Grizic
>Durban - South Africa