Originally Posted by
fietsbob
Yea, Ti or Get an aluminum one. inside the frame seat tube will show rust.. Because its Made Of Steel.
I apply Valvoline Tectyl to the insides of our steel bicycles.
Boeshield T9 is another rust corrosion protectant that is popular in North America.
Wurth have a corrosion protectant too as I am sure do many other firms.
Take care not to get any on the seat post shim.