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Questions tagged [crack]

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1
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1answer
63 views

How to fix a crack in a silicone grip

I have a brand new pair of silicone grips. Somehow, one of the grips got a crack. Its mostly an aesthetic issue, as no fragments of the grip where lost. Is there any glue appropriate for silicone to ...
2
votes
2answers
153 views

Is this cracked?

I am buying a bike from eBay and before I bid on it I just wanted to know what you though about one of the pictures. The bike is carbon and it looks like some paint has come off. What do you think ...
1
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1answer
97 views

Paint scratch or carbon crack?

I might just be overly paranoid, but does the line in the image (to the left of the glare) look like a paint scratch or could it be a sign of a spreading crack?
3
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2answers
269 views

Noticed a scratch on my carbon steerer, should I be worried?

Pictures: https://imgur.com/a/0cWtcsS My nail gets caught in the center and it feels sort of rough. I had my stem tightened at 4NM and the headset seemed to be properly adjusted. I have once ...
4
votes
2answers
615 views

Cracks on tire - still safe to ride?

I just experienced some uncommon cracks on the tires (Schwalbe Durano Plus) The tires are pretty new (less than half year old, and used max. 1500 km). I inflated 6 bars in the tire, and according to ...
11
votes
2answers
2k views

Crack in fork or just paint

Yesterday I saw something like a crack in the carbon fork of my roadbike. Now I don't have any clue if this is a really a crack or just the paint. Maybe someone can help me or tell me how to find out. ...
6
votes
2answers
230 views

Paint crack or more?

I am looking to buy a used bike: a Cannondale Super Six Evo. The seller has sent me a picture about which I am not sure what is wrong. It seems like a paint crack, but can experts share their opinion? ...
6
votes
3answers
456 views

Crack/fissure in the headtube

My 2007 Ghost AMR 5700 developed a crack or fissure at the upper end of the headtube. I do not know whether it developed over time or whether there was a specific event leading up to it; it looked ...
2
votes
1answer
923 views

Cracks on the side of fairly new tire

Today I noticed that the sides of my rear tire has these cracks The tires have been installed last June, and since then have always been used at the proper pressure (initially at the low end of ...
2
votes
1answer
255 views

Very loud cracking/creaking sound on the bike?

On bumps a very loud click sound comes from somewhere on my bike. When I have my weight on the seat and there is a bumpy road, it's a scary loud noise since 2 days. It developed slowly since one ...
6
votes
2answers
721 views

Cracked frame riding into the back of car, what's salvageable?

Stupidly rode into the back of a car, due to a moment's inattention. I pretty much hit it at full pelt, though I was riding uphill at the time. The frame cracked, as this photo shows. Any idea what ...
6
votes
2answers
952 views

Is this a cracked frame?

Here's a pic of my Rocky Mountain Altitude 750 2014. It's the area where the top tube meets the down tube / Bottom bracket. Is this a cracked frame or just cosmetic problem? Thanks
7
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4answers
2k views

Cracked chainstay weld — now what?

Yesterday while riding my Surly Ogre around town I noticed that it was making a weird metallic popping noise on the left downstroke. When I got home to take a look I was rather surprised to find that ...
4
votes
1answer
1k views

How to check carbon frame for cracks

Yesterday, a little boy hit my carbon framed road bike with his little bike while I was already standing. He was not very fast, the normal 'little-boy-dreaming-on-his-bike'-speed. So, nobody got hurt, ...
7
votes
1answer
765 views

Cracked seat post

Just been cleaning my Canondale CAAD8 and noticed these cracks in the seat post - they look like cracks in some kind of outer covering and wondering if someone can tell me how much of a problem they ...
7
votes
1answer
938 views

Rim cracks on spoke adjustment holes, how much should I panic?

So I have a RODi Rims SKORPION rim and I've noticed that there are cracks on the holes for spoke adjustment. They all appear to be on the left side of the bicycle and I'm not sure if they were here ...
5
votes
3answers
348 views

Did my bike frame crack?

during my morning ride today, I slipped and fell down, and as a result, a crack formed on my carbon frame. I have checked the entirety of the bike and this is the only crack, but I am not sure if I ...
0
votes
1answer
159 views

Left crank cracks when the left pedal is pressed

My crank has a little slack and cracks more and more when I pedal, but only on only with the left pedal. What could be the cause(s) of this ? Video of the loose crank: ...
5
votes
3answers
1k 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 ...
1
vote
1answer
543 views

Crack on Carbon Frame?

I see a crack on the carbon frame of my bike https://www.dropbox.com/s/flqrue2plzyqki9/DSC_0118.JPG?dl=0 The bike is around 4 years old but I just notice the crack line now. I think there was ...
3
votes
3answers
274 views

Crank axle cracked on 1972 Centurion, looking for guidance on how to replace

As I said, I have a 1972 Centurion. Today while riding I hit a pothole as I was coming down on my left pedal. I immediately felt like my pedal was moving around in ways it shouldn't. Stopping to look, ...
3
votes
4answers
8k views

Should I worry about a chipped carbon mountain bike frame?

The other day while I was racing my Specialized Stumpjumper I noticed a chip on the frame. It's on the rear support bar right behind the seat post between the rear tire. My teammate who is a mechanic ...
4
votes
1answer
906 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, but as per ...
6
votes
2answers
10k 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 ...
5
votes
6answers
8k views

What can I do about a cracked frame?

I noticed the other day that my frame has a crack in it! I believe that it's my seat post causing the problem. A couple of questions really, a) how serious is this? and b) can it be repaired? Edit: I'...
8
votes
4answers
5k 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 ...
1
vote
2answers
2k views

Carbon frame cracks

I have a 2010 Gary Fisher Cronus, when I brought the bike in for a tune up this spring the bike shop told me they wouldn't do it because of cracks around the seat post. They pointed out that I had my ...
0
votes
2answers
775 views

FSA Gossamer Crank Spider cracked

I've got an FSA Gossamer pro MegaExo compact crank set. Lately, while tightening the bolts on the crank spider, it cracked (see picture). I know FSA has recalled the left crank because it turned out ...
21
votes
7answers
5k views

I keep breaking my road frames - why?

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 ...
5
votes
1answer
1k views

Experience with welding Titanium frame?

My Litespeed Tachyon, a 1996 model, of which I am the second owner, (So Litespeed will not honour the warranty) has now developed its 3rd crack. First was in the seat tube above the deraullier and I ...