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3 votes
1 answer
760 views

Wear marks on seat stay from fender/mudguard. Problem?

Mudguards have worn away where they contact the seat stay on carbon frame. A little deep, wondering if cosmetic or more serious. The one on the right stay doesn't look as deep but you can see 3 ...
olivercroke's user avatar
3 votes
2 answers
1k views

Worried about chip in carbon road bike frame

I am planning to get a second hand medium range road bike and this is the first full carbon road bike I'm getting. However, upon checking the bike, I can see there is a surface chipping on the top ...
debugger89's user avatar
2 votes
1 answer
223 views

Chip in carbon seat tube?

I pulled out the seatpost on my Giant TCR and notice something like a chip in the seat tube, are defects like this normal?
Luigi's user avatar
  • 21
3 votes
1 answer
278 views

How bad/deep is this chip on a carbon fiber bike frame?

Does it cut into the fiber or just some paint chip?
Ning Wang's user avatar
  • 249
4 votes
4 answers
2k views

Carbon damage assessment

Is it safe to ride? Will jb weld fill do the trick? Seems like this damage was caused by a to wide tire rubbing the frame. I don’t see any fibers exposed to be honest(but I might not know what I’m ...
Soks's user avatar
  • 71
4 votes
2 answers
1k views

How to restore broken rear disc brake mount in carbon frame?

Look at the image: Bike model is Rocky Mountain Vertex 990. The frame is broken in a way that it's impossible to install rear disc brake. Possibly there may be a frame deformation. Is it even ...
Politechniczny's user avatar
7 votes
1 answer
6k views

Chain damaged carbon frame. How to remedy?

During a recent fall, my chain came off my front chainring, and scratched up my frame. It looks to me like it's just the paint that's damaged but would appreciate a second opinion. The bike is a Trek ...
TimoStaudinger's user avatar
3 votes
1 answer
419 views

Canyon ULT and Wahoo Kickr

Bought a wahoo Kickr in November and noticed a small chip to my canyon ultimate carbon frame. In January, Canyon announced the Ultimate was not compatible with Kickr. I'm dealing with Canyon and Wahoo,...
Timothy Longua's user avatar
5 votes
2 answers
6k views

How can I repair carbon damage near my bottom bracket?

I have had a few gnarly chain-drops that ate at my Open U.P. carbon frame. I thought I just had some chips in the carbon, but today I removed my crank for a full bike clean and realized that the ...
peachykeen's user avatar
4 votes
1 answer
815 views

Carbon frame chipped by chain - how to repair?

I found out my chain is damaging my frame near the cassette. How can I repair this? It was damaged by my cassette in the indoor trainer which I am not using anymore. This is how it looks:
mtobon's user avatar
  • 41
7 votes
2 answers
2k views

Cycled through pothole on carbon frame - damaged?

Yesterday while out on my daily exercise (I live in London) I had to cycle through a pothole (bus too close behind so couldn't swerve or stop) that jolted the whole bike. I then noticed a rattling ...
London Cyclist's user avatar
4 votes
3 answers
12k views

How to assess safety of carbon frame after crash?

I was recently hit by a car which pulled onto a roundabout. The driver hadn't seen me. The car hit me hard enough to actually snap the rim of my rear wheel. The bike has a carbon fibre frame and ...
Richard's user avatar
  • 41
2 votes
2 answers
19k views

carbon frame chipped

today while I was riding I lost control of my bike; it was nothing serious, I even fell "standing", but my bike fell on a rock and the carbon frame was chipped. Should I worry about the damage? I ...
Guido Lo Spacy's user avatar
1 vote
1 answer
2k views

May I ignore the frame damage (or should I get a budget carbon frame)

I was happily using my Canonndale F5 Hardtail to commute to work and other places (like shopping, going to a swimming pool and the like) until recently I had a very unfortunate accident with a car. To ...
arthur's user avatar
  • 192