niconj Posted April 10, 2016 Report Share Posted April 10, 2016 Thanks for the advice. I have used it before to de-anodize a stem and some other parts. Nothing bigger though. Quote Link to comment Share on other sites More sharing options...
bike_dummie Posted April 10, 2016 Report Share Posted April 10, 2016 If you can cover all the threads and headtube. Caustic soda can eat away at aluminium and wouldn't take much to weaken/corrode a thread. Quote Link to comment Share on other sites More sharing options...
Target Posted April 11, 2016 Report Share Posted April 11, 2016 I've protected aluminium threads by covering them with silicone sealant. It worked perfectly. Quote Link to comment Share on other sites More sharing options...
niconj Posted April 11, 2016 Report Share Posted April 11, 2016 9 hours ago, Target said: I've protected aluminium threads by covering them with silicone sealant. It worked perfectly. I'll just leave the BB and screws in the frame. Won't have to cover the HS33 threads as I don't have them. Quote Link to comment Share on other sites More sharing options...
bike_dummie Posted April 11, 2016 Report Share Posted April 11, 2016 Caustic will strip any lubricant out of the bb, just in case you was planning on using it Quote Link to comment Share on other sites More sharing options...
niconj Posted April 11, 2016 Report Share Posted April 11, 2016 2 hours ago, bike_dummie said: Caustic will strip any lubricant out of the bb, just in case you was planning on using it I'm not gonna submerge any part of the frame but carefully apply caustic soda with a cloth. Shouldn't be on the frame too long before I will wash it off. Quote Link to comment Share on other sites More sharing options...
niconj Posted April 14, 2016 Report Share Posted April 14, 2016 Done! Quote Link to comment Share on other sites More sharing options...
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