Originally Posted by
elcraft
IIRC, a Peugeot UO-9 has a steel seatpost. PB Blaster is the best for stell on steel issues. Before I discovered BPB Blaster, I used a home formula based on 50% Iodine and 50% Mineral oil. It took a few days but worked rather well.
You could be correct. I generally stay away from French bikes, so I have no idea if the seat post is steel or alloy. If steel, PB Blaster would be my weapon of choice.