rbpanaligan

I have an old single-speed bicycle that has rust on the frame. The rust doesn't look like it ate through the frame. How do i remove rust from the frame?

Thanks.

dabac

Small spots just scrape down to bare metal with pretty much anything sharp, then seal off with a dab of nail varnish, car touch-up paint, or model builders enamel.
If you have a dremel you can use a small wire wheel or sanding stone as well.
Bigger areas need bigger tools, like wire wheel on angle grinder or electric drill.

ultraman6970

Use naval jelly, follow the instructions. then do as dabac says

Capecodder

OA treatment......

ultraman6970

This is when the OP asks, what OA is

TMP

i've noticed that trend in the half a million threads regarding rust removal

fietsbob

Paint it

rothenfield1

OA-Oxalic Acid, it's the C&Vers best friend. It's commonly referred to as Wood Bleach. You can get it at many hardware and paint stores. It comes in a powdery crystal form that you mix into water and dunk your rusty metal stuff in. In a day or 2, the acid will have eaten the rust. It's amazing stuff. If your bike has significant rust, dunking it in this stuff would be what I'd do. Go to the Classic & Vintage Forum and type in Oxalic Acid in the search engine. You will get great advice about how others have used it, and it's limitations.

hillzofvalp

On my bianchi frame, the celeste paint and chrome got nicked in some places, and now rust is forming. Very small areas where filing will likely damage surrounding areas. What is the best procedure as to not cause any more damage to the paint? (I have a dremel). I know bianchi makes touch up celeste paint as well.

relyt

I suppose you could use the dremel with a wire brush to clean up the rust and then use the touch-up paint after that. I wouldn't trust oxalic acid with the paint.

hillzofvalp

I shouldn't need to prime or anything?

San Rensho 

Only way to do it right is to strip the paint from the entire frame, sand/wire brush the rust then treat the frame with phosphoric acid or oxycilic acid and repaint.

spathfinder3408

I have treated rust on cars and bikes over the years. Currently Napa sells a product called "Rust treatment". Remove as much of the rust you can with sandpaper or a tool that gets it off. Try not to leave scratches. Apply rust treatment and let it dry overnight. If your just touching up bike you can use testors paints and mix paints until you have a match. Apply two or three coats and your done. Its not like bike restoration, but it does preserve the bike from rust decay.