Here we go! I was asked about having 2 levers for my front brakes, and i like to write things.
What you will need is this: you will need 1 length of inner wire, about 65 inches or there abouts. 1 knarp (or lucky bolt or whatever). 2 of those 2 into one gyro slug things. 4 lengths of cable housing, 2 about the length of an upper gyro cable,. and 2 a bit longer than a lower one. 1 set of brakes (derr) and 2 brake levers:
Now, you start like this. remove the cable from the housing. put the little lug thing into one of the brake levers, i use the right one. Push one of the smaller cable housings up to the barrel adjuster. after this, push one of the slugs up, with the 2 holed bit facing upwards. i cut mine a bit so it was more out of the way.
Now, I like to remove the top bolt here, for ease. so take the top bolt out and push it up the cable so it nestles up again the slug. obviously, have it threads facing down, put the little cap thing on after this (the thing that tightens down on the stem) and now thread the cable through the star nut.
Push the cable all the way through the fork till it comes down and pokes the tire. pull it out to one side. now you put on the other 2 into one slug, no need to cut it down, but this time put it facing the other way around. push one of the longer cables on now. pull it tight up against the lug, but DO NOT push the slug up the steer tube. now you put on any hardware that you need to attach the cable to your brakes, like a brake stop or whatever, Im using v brakes so its really easy. you probably dont need to set it all up yet, just all the hard work but leave it so you can still adjust it. put the other long cable over the wire and push it up against the slug. now this is the annoyingly tedious part. you have to get the open end of the inner wire up through the star nut. this normally takes me about 10 minutes of swearing and kicking stuff. so go slow. this is what you want it to look like inside your steerer tube:
Once the cable is back through the top, looking like this:
Put the knarp on that bitch, quick! ive spent ages getting it through the star nut many times, only to go get the cable and have it slide back down.
Once youve got it, put the last piece of housing over the cable, and pull it real tight. doing this you may have to make sure that the actual cable bits on the brake are completely loosened, so the housing is touching itself. once youve got the housing on, put the damn knarp back on! the top bit will look like this now:
Loosen the knarp and move it to the very end of the cable. now i know this is a shitty photo but its the best i have
pull the lever right out, and push the knarp into it. pull the cable through the lever as per normal, and hook your brakes up.give them a bit of a squeze.
Then tighten them up, unhook one of the housings onto the brake. pull the cable back out of the lever. loosen the knarp.DO IT GRADUALLY. if you cut off too much you will need to buy new cable and do it all again! so do it in small bits. so move the knarp down about a centimetre, cut off the excess and put it back in the lever. rehook the brakes up and test them out. keep doing this until you find it how you want it. remember to tighten the knarp mega hard, cause its gonna have a fair bit of pull n it. pics time: