Brazing is better for a repair. It's at a much lower temperature than welding, so the damage caused by re-heating the top tube and stays, that have already been weakened by welding once in their lives, is much less.monsterfatuk":1in51pfq said:Yeah mercian cycles in derby did mine and they used 853 as well,exernally it was still 31.8 though just a bit thinner walled.The only problem with mercian was than they dont tig,they only braze![]()