It's probably been discussed before. I have Wild Country cam and a 'Friend' where wires worn. And one 'Friend' where wires seem fixed and doesn't work. Does anyone repair them and how much about. Thanks.
Wild Country sell trigger wire replacement kits or you can bodge it with strimmer cord. You could also get a swaging kit and some bike brake cable and repair the wires properly.
With the other cam if you mean the lobes don't move when you pull the trigger then it needs cleaning and lubrication. Clean it in hot soapy water with a toothbrush and by swishing it around while squeezing the triggers and then lubricate with bike chain oil or GT85.
I think Metolius make lubricant specifically for cams too... I use it on mine after washing then following climbing in marine environments like sea cliffs etc.
If brake cable is too thick, then gear-shift cable might be just right. As you will have noticed, brake cable and gear-shift cable have differently shaped metal blobs on the end which fit into the brake levers or shifters as appropriate. I asked my bike shop why the two weren't interchangeable and I was told that it was deliberate so that weight-obsessed cyclists wouldn't try using the marginally thinner and lighter gear cables as brake cables.
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