All Questions
66
questions
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'...
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 ...
- 2,327
16
votes
5
answers
13k
views
How does stiffness in carbon frames increase speed?
I have a Specialized Roubaix with a 7r carbon frame; the Tarmac has 11r. Will I notice a speed change if I ride "exactly" under the same conditions? Does the additional 4r = more speed? I am thinking ...
- 161
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 "...
- 21.9k
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 ...
- 373
12
votes
4
answers
16k
views
Do I need to apply something on thru axle?
I've just bought my first carbon frame roadbike and realised that it has thru axle (previously I had quick release). Before I would do anything stupid, could someone give me advice if I should apply ...
- 809
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 ...
- 18.8k
9
votes
2
answers
1k
views
Carbon fiber frames and household heating/radiators: how close is too close?
I have a carbon fiber Giant Revolt that I keep in the hallway of my apartment, near the door. Opposite from where it's stored -- about 2.5-3 feet away, or one hallway width -- there is a hot-water ...
- 1,061
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 ...
- 89
8
votes
2
answers
2k
views
Frame dropout cracked, what can I do? (Allied Alfa Disc / carbon)
The frame thru axel hole/dropout cracked while using my wahoo kickr trainer.
Is this crack dangerous?
If it is, what can I do?
- 223
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?
- 173
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 ...
7
votes
2
answers
1k
views
Scratch or Crack?
I'm curious on opinions if this is a crack or a scratch. No crashes. No drops. Yes creaking.
- 71
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 ...
- 225
7
votes
1
answer
611
views
Carbon Frame Ding
Today I had my Tarmac propped up against a rock wall and it slid down, scratching the paint/frame on the seat stay. I'm pretty new to carbon frames, and have heard they are relatively sturdy, but ...
- 173