2 Brooks Pro, 1_ 35 and 1_ 25 years old.. my initial Proofide treatment could be considered overdoing it..
I turned it upside down in a warm oven 100F melted in a tablespoon , being warm it absorbed it like a sponge.
it was fine , still is ever since.. underside is still waxy ..
just coastal Oregon .. My daily rides have a different choice..
Fizik Vitesse I got thru the Brompton Dealer [Foldabikes.] steel rail bend offers better setback .. on thudbusters..