Internal Cable Routing Technique 01: I'm going to show you guys the quick and easy way to work on a bike with internal cable routing, whether you are replacing and entire inner wire, or you just need to pull an inner wire out to perform a task and then reinstall it. Ah, in this case, we're going to be replacing this inner wire that was damaged in a bit of an accident. Now, you never want to pull one of these inner wires out of a bike that's internal cable routed. You might never get it back in. What you need is you need a piece of this - which is a little bit of inner cable sleeve (a.k.a liner) that we're going to put inside the frame and make our lives really easy. Now, where do you get these. Easy. You just need to get some Shimano or SRAM housing and strip it of the outer casing. And what it's going to do is it's going to expose these parallel strands that give it strength and keep it from compressing while you're shifting. And then inside of here you'll notice there's this little housing. So, if you strip off a big enough piece you can get a really long one that is nice a pre-lubricated and is perfect for the job at hand. So, once you've pulled the inner cable loose from its clamp and go ahead and pull this little section off. You're left with the strand. Now, you might need to cut it back a bit if it's been damaged. Just like that. And then, simply put the inner sleeve over the inner wire, and then feed it down over the wire. Now you notice I'm not pushing the wire back into the frame, right there, alright. I'm just pushing this down over it, feeding it in as far as I can. And then now I've run into, probably this stop over here. All you need to do is grab a pair of pliers like this. You can, this is translucent, or transparent, so you can see inside of here, just like that. And I will just - I'm not trying to cut it or anything, I'm just going to grip it and crimp it up against the inner cable. And then I'm going to go here to the cable, the inner wire itself, and I'm just going to give it a little tug. See that? Comes right through. Right through just like that. Now I can pull this inner wire out, and it will be no problem to fish a new one right in there. Simple as can be. You can make this as long as you want. You can go from here, all the way to here as long as you ride on that cable. Now, if this happens to want to start pushing in, all you have to do is---if you can't push this in over it any further and it wants to push the wire in---that's when you start pulling the wire in as you are feeding this in, and it will carry it all the way to the headtube if necessary. So there you go; quick, easy, headache free. Explore BBInfinite to find out all the ways you can become Infinitely Faster.
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