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Further to my previous comment, this link explains it quite well : Article: Bimetallic (galvanic) corrosion risks from contact with galvanised steel or aluminium

What are you have seen is a result of galvanic corrosion. Have a read of it on Wikipedia, and you will see that putting aluminium and uninsulated stainless steel together in a saltwater sets up a galvanic cell, which accelerates corrsions, ultimately leading to failiure. Using grease, or even...

Hi Folks, I thought I should probably say hello before asking a load of questions, so Hello! I'm Andy, from North Wales. I found this forum through google, as I am looking to build some kind of electric bike, or trike, in the future. In the short term, I want to convert my existing bike...

Hi folks, I've been lurking on this forum for a while now, trying to read as much as I can, before taking the plunge and adding a motor to my existing bike. I've decided that this year, I'm going to try and do a bit more commuting to and from work on my bike, so I'm looking for ways to make...