this post was submitted on 13 Feb 2024
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bike wrench

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Steel - Aluminum corrosion (lemmy.world)
submitted 9 months ago by evasync@lemmy.world to c/bikewrench@lemmy.world
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I have a steel frame and I'm looking on getting aluminum parts (eg: seatpost, headset etc)

Is Corrosion a concern?

Will I need to service the bike more frequently?

Is lube between the two metals going to make any difference?

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[–] kersploosh@sh.itjust.works 3 points 8 months ago

Bare aluminum seatposts love getting stuck in steel frames. I assume headsets will get stuck, too, though I have less experience with those. Using anodized aluminum parts helps a ton. The anodized layer on the surface is mostly inert and prevents further corrosion.