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Questions tagged [rust]

For questions relating to corrosion/oxidation of steel frames, components, and other ferrous (iron-based) parts.

4 votes
2 answers
649 views

Brakes not going back on their own

Found a some what rusted bike frame on side of road, and I’m working on fixing it. The rear brakes seem to be sticking quite a bit, they stay in the actuated position after release. There doesn’t seem ...
Aihson Avais's user avatar
0 votes
1 answer
61 views

Is leaving bicycle outdoors short term okay without signs of decay? [duplicate]

I sometimes leave my bicycle outside and it rains sometimes it is left in the rain for a day or few or ridden in the rain and washed with a hose with soap and water. Is that bad for my bicycle as many ...
Suited's user avatar
  • 207
1 vote
1 answer
87 views

Heavy corrosion of the bottom bracket shell, but rest of the frame is fine

I have a Btwin MyBike cycle, which is now 8 years old. The frame is an steel alloy. I want to replace the bottom bracket, chrank shafts & chain ring. The BB was very difficult to remove, used a ...
Mellow Monk's user avatar
1 vote
2 answers
131 views

Rusty bolts/screws on Shimano Claris brake calipers

I've spent a number of hours 'deep cleaning' my Giant Defy 4 road bike and it looks really good.... with the exception of the rust which is visible on the brake caliber screws/bolts. Are they ...
Anthony's user avatar
  • 11
0 votes
2 answers
250 views

How to minimize rusting of bicycle stored outside?

I moved to an area where the street outside my residence has a 60 mph (100 km/h) speed limit. Not safe to ride even on the gravel emergency lane. I can not bring my bike inside, so it is outside. I ...
fixit7's user avatar
  • 1,232
5 votes
4 answers
2k views

Leaving bike outside in -20 degrees

I live in Montreal and every year I leave for 6 weeks in the winter to get a little break. Is it ok for my bike to be on my balcony (kind of covered) during these 6 weeks where the temperature gets ...
Miz 's user avatar
  • 51
1 vote
2 answers
52 views

Handle bar stem has frozen stripped bolt

I just bought a used cruiser for 20$ The handlebars are WAY TOO LOW for me to ride it. However, I've tried everything and the bolt will not budge. Is like to enjoy my new/used bike. Any ideas how to ...
Season Cox's user avatar
2 votes
2 answers
762 views

Are freewheels compatible if they have the same number of sprockets and teeth?

I'm a novice to the cycling world and am wanting to learn to do my own maintenance, so I'm quite unsure of a few things. More specifically, I have a Dahon Eco C7 foldable bike that I got used and was ...
Iceape's user avatar
  • 123
4 votes
1 answer
139 views

Gun bluing chains

Is it possible to hot blue chains for rust protection? I surmise there would be parts of a bike chain that are made using hardened steel (e.g. rollers and pins). Would this process affect their temper?...
Gregory Leo's user avatar
  • 1,305
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 ...
Gordon's user avatar
  • 51
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 ...
Lykoloo's user avatar
  • 21
2 votes
2 answers
628 views

Is there an issue with this seatstay? photo

is this seat stay normal or is there a dent / damage here? Hard to tell it's near the welding but the other side does not have this. From https://imgur.com/a/xUtmeKN
tweedi's user avatar
  • 587