Caustic soda never fails, I had to do that to a frame I bought off Organicorigin which had EVERYTHING stuck in it (something that wasnt mentioned prior to purchase), might just take a while.... think my seatpost took two weeks and about 4-5 applications...
Caustic soda never fails, I had to do that to a frame I bought off Organicorigin which had EVERYTHING stuck in it (something that wasnt mentioned prior to purchase), might just take a while.... think my seatpost took two weeks and about 4-5 applications...