bike wrench

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A place to ask bicycle repair questions, and for bike shop monkeys to share advanced non commercial wrenching resources (no YouTube self promotion). This is only for repair related topics.

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Steel - Aluminum corrosion (lemmy.world)

submitted 6 months ago by [email protected] to c/[email protected]

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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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[–] [email protected] 3 points 5 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.