Inside of a bicycle gear shifter | Shimano Gear Shifter Inside

Inside of a Bicycle Gear Shifter, Shimano Shifter

[@smurfiennes]

My chain was loose, so I pulled the as a little to the back. But now my gear is now stuck on 1 position. I can’t shift it anymore, because the cable becomes too tight. Please advise how to loosen the cable. Thank you in advance.

[@gtsteratai5280]

nice info

[@bordoloiviewpoint]

Thanks