All Questions
8
questions
5
votes
2
answers
151
views
Small rust holes on bottom side of top tube: is this steel frame salvageable?
I was planning on getting this old steel frame powder coated, but the guy doing the powder coating noticed some small holes in the top tube after he stripped it. Does this indicate the top tube is ...
2
votes
0
answers
103
views
I used acid to clean rust from parts on resto project. Should I worry about hydrogen embrittlement?
I have a 1970s U-folder type bike which was very crusty when I acquired it. I removed the rust by soaking the parts in lemon juice for between 24-72 hours, depending on the part. Something I wasn't ...
4
votes
3
answers
2k
views
My chainstays have been eaten by rust, can something be done?
I hope you are all safe and sound and your Christmas time is at least decent in these pandemic times.
The other day I decided to give a good clean to my steel city bicycle and I removed the stand, ...
6
votes
4
answers
925
views
Will grooves on seatpost cause rusting inside frame?
My bike has grooves in the seatpost as shown in the picture. The grooves do stop slightly further down the post, but the best saddle height for me is when the grooves partially go down into the seat ...
1
vote
3
answers
1k
views
Is this level of rusting removable by sandblasting?
Is this rusted steel frame still salvageable? The local bicycle shop does sandblasting before they powdercoat a frame. Do you think the sandblasting alone would be enough to remove the rust?
I'm ...
1
vote
1
answer
2k
views
How to treat rust spots on a steel frame without stripping the paint completely?
I have a 1974 steel French road frame and most of the original paint is still intact. However, there’re quite many 1-2 cm surface rust spots. I also recently had one of the lugs partly re-brazed and ...
8
votes
3
answers
15k
views
How can I determine whether rust has made my bike unsafe?
I ride a 1972 steel frame bike year round through Canadian winters.
When I got the bike it was in good shape, but after putting a few thousand km worth of commuting on it, it has a lot of scratches ...
21
votes
2
answers
12k
views
Dealing with rust on a steel frame
I have a small spot of rust on the bottom side of my steel frame's top tube (Columbus Niobium tubing). It's from abrasion during transport that I didn't notice until it was too late. The spot is ...