dougdunn

Sorry for starting a new thread, but too many results for "Internal cabling". Just got my new carbon frame delivered by Fed Ex. It has internal cabling with stops with the holes not big enough to send the cable sheath through the frame. OK. It has little clear tubing inside the frame from hole to hole so you can route the cable. Here's the question - Do you remove the tube after you have the cable run, or trim it off and leave it in place? Thanks. Doug

cxwrench

I would say on 99% of the frames you'd removed. If it were meant to be left in the frame it would be permanently attached at easy end. If it's sticking out of the frame, remove it when done.

AndrewJB

Remove it, but keep it.
If you ever need to replace the cable you feed it through on the old cable, pull the old cable out, then feed the new cable thru in the tube.
Remove, and repeat...

deacon mark

I think I would careful before I pulled it out. The reason is that it is there to facilitate changing the cables and possible making the cables easier to glide. I would ask the frame manufacture to see. I do remove mine from my Wilier after I have the cables installed but I have also seen some that are left in place. In my circumstance I have dedicated set of tubes I keep in my toolbox to change the cables and housing. Believe me I once got it messed up and spend 2 hours feeding the cable through the frame to get it changed. So once I did that I made sure I had a system down next time. I might add the personally I still prefer the regular outside cables and stops. Works fine and looks fine to me easy to change and I want perfect shifting above all the rest. I have Shimano 6800 on my Habby and it shifts perfect never a miss. Once the cables starts to go usually the rear I put new cable and only really need a new rear loop housing. In a matter of 10 minutes I have perfect shifting again with new cable and housing. I find the housing under the handlebar tape last for a long time.....maybe years.

Andrew R Stewart 

I will add a small detail that can be very frustrating when replacing internal shifting cables. take acre to not intertwine them, if so when you shift one der the other will pull a bit as the first's cable tension increase will be shared by the other.

So keeping the cables free of each other is important. If the factory placed internal tunnel tubes I strongly suggest saving them. They can be replaced with common casing liner, we use that often (just did a Giant carbon frame cable replacement with generic liners as an aid today). But sone factory liners are also to reduce friction and if then sticking out of ports likely will want to be retained and cut down. What any one specific brand and model uses is not well published. Andy