How To Remove Rust Stains From Aluminum Seat Posts @RJTheBikeGuy

Uploaded May 2025 | Updated September 2026, 3 weeks ago

I show the process I use to remove rust stains from an aluminum seatpost. I also used Frame Saver for the light surface rust inside the seat tube. Then I used marine grease to lube the inside of the seat tube before reinstalling the seat post.

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