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-4 votes
1 answer
107 views

Is it possible to prove that applied forces to a top tube are worse than a seatpost when using a repair stand clamp?

This stems from the idea that you should use a bike stand clamp on a seatpost, if you can, for carbon fiber (CF) bike frames. Hopefully, this would avoid the cracking of a CF bike frame. In order to ...
cocobutters's user avatar
4 votes
2 answers
8k views

carbon seat post to carbon seat tube - necessary to loosen periodically to prevent seizing in place?

I recently (about 4 months ago) purchased a bike with a carbon frame (i.e. carbon seat tube) and a carbon seat post. I've read some nightmare stories about having to replace an entire carbon frame in ...
cdahms's user avatar
  • 887
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
3 answers
7k views

Tight Seatpost Installation

I'm having a bit of a problem installing my seatpost. I have a 31.6mm carbon-wrapped aluminum seatpost which fit perfectly fine in my previous aluminum frame. Unfortunately, that frame cracked, ...
SF Roadie's user avatar
1 vote
2 answers
499 views

Carbon seatpost dip in?

Can I insert a carbon seatpost up to 20cm deep into seat tube? The seattube is carbon as well. Total length of the seatpost is 35cm. The shape of the seatpost is aero seatpost (tear drop shape). It's ...
Rick Ant's user avatar
  • 919
5 votes
5 answers
20k views

How to pull a carbon seatpost out of a carbon frame?

How do I pull out a carbon seatpost on a carbon frame? It seems so hard for me... Do I need a special tool, or just ask help from a local bike shop? done with the seatpost. I made the frame and fork ...
Rick Ant's user avatar
  • 919
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