Replacing the gear cable on a Shimano 105 shifter. - YouTube
How to change cables shimano 105 5800 shifters - YouTube
How to Remove Front Derailleur Cable from Shimano 105 Flight Deck? I've tried pushing on the cable but it doesn't come out from anywhere like the cable for the RD did :/
Tech Q & A: Pondering Shimano STI Shift Cable Breakage - Road Bike Rider Cycling Site