Corsa's are latex. Veloflex are latex Fmb latex Dugast latex Challenge latex tufo butyl. Most contis are butyl (pro special editions aside). Schwalbe seem to be movingly butyl.
My Schwalbes have been in the shop for a week and lost their pressure. Thin butyl maybe?
@Smallfurry started
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Corsa's are latex.
Veloflex are latex
Fmb latex
Dugast latex
Challenge latex
tufo butyl.
Most contis are butyl (pro special editions aside).
Schwalbe seem to be movingly butyl.