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13 votes
4 answers
17k views

Metal seat post with carbon fiber frame?

Is using a metal seat post on a carbon fiber frame advisable or not? I want to use a seat post mounted rack on my road bike (no regular rack mount points are on this bike), but I have been told that ...
rsecca's user avatar
  • 373
9 votes
5 answers
116k views

How to tell if a carbon frame is damaged or if the paint just has stress cracks

I am looking at a carbon framed road bikethat has me concerned.On the topside of the bottom bracket,drive side there is a very small hairline crack in the paint.The seller states that it has been ...
mikes's user avatar
  • 18.8k
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
3 votes
1 answer
5k views

Protecting carbon bike frame after a small chip?

My bike frame is carbon and it recently got a small chip. It's about the size of a pinky fingernail in size. Should I do anything to treat the chip to help prevent it from getting worse? Here's a ...
Karl's user avatar
  • 31
31 votes
6 answers
65k views

Why is carbon fiber inherently weak? Or is it?

This question got me to thinking: If it were possible for me to use a carbon frame, I would, but the expense and my riding style keep me using steel and aluminum. (I like hauling stuff on racks and I'...
Goodbye Stack Exchange's user avatar
30 votes
2 answers
16k views

Road bike carbon fiber frame life span

I have read in several places regarding bicycle frames that carbon fiber has a shorter life span than aluminum, and I was wondering just what would it be. I am not referring to accident-related ...
Gabriel Solomon's user avatar
13 votes
4 answers
6k views

Why would a bike feature a "carbon wrapped aluminum frame"?

I saw a link to what appeared to be a Carbon bike on amazon. The price was extremely lower than any carbon bike I had ever seen. After reading a bit, it seems that the bike frame is really made of "...
Kibbee's user avatar
  • 21.9k
8 votes
2 answers
5k views

Do carbon MTB frames crack easily?

I have been looking to buy a new full sus mtb (Vitus sommet 29 Cr) and saw that the main frame is carbon fibre with the rear triangle being aluminium. I love the bikes specs and aesthetics but can't ...
whyte22's user avatar
  • 89
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
7 votes
7 answers
9k views

Is it worth buying carbon fiber road bike for short commutes?

I'm planning to use a bike for rather short commutes (max half an hour), will the carbon fiber be noticeably more comfortable than aluminium one?
synapse's user avatar
  • 173
4 votes
4 answers
8k views

Frame Or Paint Crack (Cannondale Super Six Carbon)

I am about to pull the trigger on a used 2012 Cannondale SuperSix bike. This would be my first bike and I'm very excited. However I am a bit concerned about some cracks. Seller claims paint is ...
Juan Gutierrez's user avatar
4 votes
3 answers
3k views

Is it safe to use aluminium seatpost adapter (27.2mm to 31.6mm) for a carbon frame?

I have Cane Creek Thudbuster Seastpost (aluminium) 27.2mm x 400mm which i want to use for a bike with a carbon frame (31.6mm seat-tube). I'm thinking about getting a seatpost adapter/shim from 27.2mm ...
JBeurer's user avatar
  • 173
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
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
3 votes
1 answer
254 views

Is the carbon frame disposal problematic

I heard from someone that carbon is difficult to dispose of. Does anyone know how to dispose of carbon frames?
Maik Lowrey's user avatar

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