Questions tagged [crack]

A rift or fissure in a part that shouldn't be there, usually from material stress.

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29 votes
9 answers
8k views

Why do I keep breaking my road frames?

I've gone through four five frames in the last decade or so, all from different manufacturers, all steel but both lugged and welded both steel and aluminium. Every one of them has eventually developed ...
stib's user avatar
  • 1,555
8 votes
5 answers
4k views

Is My Rim Cracked?

Is my rim cracked? Do I need to replace my rim? Do I need to replace my wheel? (See left/first picture). If either 2 or 3 is Yes, what's the most frugal way to go about it? Notes This is the rear rim....
Black Eye Sweet's user avatar
5 votes
1 answer
2k views

What caused this seat clamp / frame failure?

Here's my "long distance" ride, which is an old steel MTB without suspension. I picked it up by the saddle to move it and felt some play, I thought the saddle rails might have been loose, ...
Criggie's user avatar
  • 124k
20 votes
2 answers
4k views

Is this rim still safe to use?

I bought it this way without the seller noting the issue, so experience from riding with these is zero. Rims are Ritchey Girder OCRs. The crack is pretty small, but noticeable, and I will be running ...
Legaspi Roy's user avatar
11 votes
4 answers
2k views

Questions about cracks in my rim

I see lots of previous questions about cracks in rims, but most of them (1, 2, 3, 4) turned out to be the rim seam. I don't really see the following type of damage discussed in detail with pictures. I ...
SSilk's user avatar
  • 4,199
9 votes
4 answers
14k views

Titanium frame has a crack - advice needed

I've found a Titanium bike frame on eBay. It's very cheap and the owner says that it has a very small crack on the seat tube where it connects to a bottom bracket. See in the image above: I've never ...
LoomyBear's user avatar
  • 531
7 votes
2 answers
33k views

Is it safe to ride on cracked tyre?

I have a cracked tyre on my Road bike. I think I put it in the gazebo and exposed it to the sun. It's cracking along the tyre wall, in continuous fashion. Would it be safe to ride on those crack ...
Nhân Lê's user avatar
  • 3,531
6 votes
4 answers
4k views

Should I ask for my money back - crack in Titanium frame

About 2 years ago I got my new bike - an Enigma Ti bike. The frame was customised for Di2 and I had hydraulic disk brakes fitted. An expensive bit of kit that was supposed to last forever and make my ...
Roaders's user avatar
  • 493
4 votes
0 answers
42 views

Is my rim cracked, or is it something else? [duplicate]

I had my canyon torque AL5 29inch for 12 days. Today I saw this on my rim. Is it a crack, or is it something else? The crack is positioned at the opposite site of the valve.
Brent Welkenhuysen's user avatar
4 votes
2 answers
868 views

Do you agree it's safe to continue to ride this carbon bike with a small crack in the frame?

As you can see in the pictures my carbon bike has a crack in the frame, between the seatpost and the corresponding screw. I'm told by my bike shop and by an engineer of the bike manufacturer that I ...
Daniel's user avatar
  • 41