/r/bustedcarbon

Photograph via snooOG

All your busted carbon goes here!

Post your pictures and share stories of busted carbon fiber. Preferably bikes and bike parts, but all busted carbon is welcome!

This is also a place to ask for advice for repair or if you think your carbon fiber parts might be damaged.

All your busted carbon goes here!

Post your pictures and share stories of busted carbon fiber. Preferably bikes and bike parts, but all busted carbon is welcome!

This is also a place to ask for advice for repair or if you think your carbon fiber parts might be damaged.

/r/bustedcarbon

3,144 Subscribers

6

Busted Campagnolo Bora Ultra 45

Attacked by a pothole, unfortunately, 4 week old wheels ruined by a spot of bad luck.

https://preview.redd.it/onflkq1cq0vd1.jpg?width=3024&format=pjpg&auto=webp&s=cfdc7b746a7a56f0c1c98293ad7d21a1a13d95eb

2 Comments
2024/10/16
01:09 UTC

4

Brand new bike cracked?

I purchased a new bike today at my local shop. When I arrived home I noticed a weird bump on the left of the seat post, where the clamp is. The right side does not have the bump and it's perfectly smooth (see pictures).

Is this a crack? If yes, how did the guy fitting me on the bike not notice it? It seems they deliberately ignored the issue to get rid of a damaged bike.

https://preview.redd.it/nnzz9ab1fnud1.jpg?width=2250&format=pjpg&auto=webp&s=e5cb323864901359e7ed63d5b3d1e5470f9e1789

https://preview.redd.it/fzjwgab1fnud1.jpg?width=2250&format=pjpg&auto=webp&s=a5b4ef595dab6532234a1c94de8b7d2880e6b879

Edit: forgot the pictures.

10 Comments
2024/10/14
04:21 UTC

10

Chip and a line on carbon

Was replacing a pedal when my Allen wrench accidentally slipped and hit the top of the downtube. Chipped the paint and created this line. Thoughts?

5 Comments
2024/09/20
09:47 UTC

0

Carbonwheels with a pulled spoked

#spokes #spoke repair #carbon #fiber

1 Comment
2024/09/11
13:27 UTC

4

Middle of top tube cracked during ride, manufacturing defect?

21 Comments
2024/09/09
00:40 UTC

0

About to Buy a Bike

What do we think

7 Comments
2024/08/30
10:36 UTC

0

Rock chip on new-to-me ENVE front wheel.

Was pace-lining and had a rock kick up and hit the front wheel. Disc brakes. Size about the size of a grain of rice.

I was able to finish the ride and wheel/tire still holding air with no issues. I emailed ENVE already but wanted to hear from the Reddit experts.

7 Comments
2024/08/21
20:11 UTC

0

Chain drop

2nd ride on the new bike… is this just cosmetic?

2 Comments
2024/08/20
01:55 UTC

0

Paint? Carbon?

Opinions please - I have an Email in to the manufacturer, and will have a guy at the bike shop take a look as well, but what's anyone's opinions on these pictures? Noticed this "crack" or "mark" today when I cleaned up my bike. Did the coin test and it passes. I am the original and only owner, bike has not been crashed, and has not had any impacts that I am aware of. Area is on the seat tube, non-drive side, about 1 to 2 inches down from where the seatstays join the seat tube. Bike is a Pinarello Dogma F12.

Have also been looking around for carbon repair options depending on what is discussed at the shop.

https://preview.redd.it/pcrn72f44cid1.jpg?width=1512&format=pjpg&auto=webp&s=a0f3982ba3d8f9a243130d1fbfe5294440efee24

https://preview.redd.it/khrxh3f44cid1.jpg?width=1512&format=pjpg&auto=webp&s=9de8b793639892569dbe6dd9436196be0c3028ff

https://preview.redd.it/qy8n93f44cid1.jpg?width=1512&format=pjpg&auto=webp&s=6f3473c924a48ae17d903293afb0d69b9150c042

8 Comments
2024/08/13
01:30 UTC

6

Paint damage or carbon damage?

Giant TCR dropout.

6 Comments
2024/08/06
07:40 UTC

6

Is this repairable?

Being serious now, what is the best/strongest/lightest replacement. I’ve heard there are many very good hoops out there now that offer a good warranty & crash replacement. What are those brands/models? Is there anywhere else I should ask?

4 Comments
2024/07/30
19:48 UTC

0

Carbon Seatpost Indentation

Carbon seat post shows mark from screw due to incorrect assembly. Asked a bike shop mechanic for help, he looked at it and told me it was fine, but to be extra safe I should keep an eye out for any changes in that area.

It does not make any strange noise or slip (carbon paste applied). It also passed the sound and flashlight "test".

For peace of mind I will probably replace it but I was hoping to get a second opinion from you, if that is even possible based on this picture alone.

Thanks in advance.

5 Comments
2024/07/29
14:53 UTC

3

Chain came off, how worried should I be about the damage?

https://preview.redd.it/ufdmgjwgv1ed1.jpg?width=3024&format=pjpg&auto=webp&s=1f990dc841a392802a36dbe7c919a09d795017ec

https://preview.redd.it/ia1wvm3tv1ed1.jpg?width=3024&format=pjpg&auto=webp&s=9494af963d1d10aded8bcd52c4bdfb5d87d9ab51

My bike is quite new but the chain came off and got jammed. I managed to unjam it, but now I am worried if this is only surface-level damage or if I need to get it checked out professionally.

Any help is appreciated.

6 Comments
2024/07/22
10:51 UTC

2

This ol' frame right here...carbon damage or paint damage?

Would you think this is bad carbon or chipped paint? "Coin tap" test sounds ok (always thought of this like some shade tree mechanic test honestly, but...).

Obvi, a Cervelo, P2 model so beefy in the seat post, beefy in the downtube and the top tube junction to the head and down tubes. Would you ride it? I'm into it cheap enough where I wouldn't be sad if I stripped it for the parts and hung it on the wall; also cheap enough where if it was carbon damage a repair wouldn't be an upside down investment honestly.

https://preview.redd.it/5zipci9u5cdd1.jpg?width=4520&format=pjpg&auto=webp&s=3fcc09f40f41ddd9e818c15adda94c932a107b47

https://preview.redd.it/upf5s5au5cdd1.jpg?width=5184&format=pjpg&auto=webp&s=2fb37141f125e42f700fc95075c30f3fd1e9b2a7

https://preview.redd.it/x4bybj9u5cdd1.jpg?width=5184&format=pjpg&auto=webp&s=71cf890a73c86129ee87f5e022ea8835339c769c

https://preview.redd.it/4oa7ek9u5cdd1.jpg?width=5184&format=pjpg&auto=webp&s=0a596d3fe4c371568bfd70aa7f6ec9c506eb22b0

9 Comments
2024/07/18
20:19 UTC

2

ISO Busted Carbon Handlebars

If you happen to have any busted carbon handlebars laying around I’d be willing to pay shipping and take them off your hands. I could use a couple for a project that I’m scheming up. Thanks and stay safe out there!

0 Comments
2024/07/05
14:36 UTC

2

Is this delaminating?

Well I’ve been ignoring this for a minute but it looks like the carbon delaminating to me, I have no clue about carbon as this is my first carbon frame. How long have I got left or should I go see a carbon specialist asap?

6 Comments
2024/07/04
12:08 UTC

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