I took my back wheel off to fix the tube. When trying to put back together the "gear cassette" I was struggling, it just wouldn’t fit.
I eventually checked a youtube video that explains how the yellow dots should be aligned. By doing that it worked however the length of the gear wire is now messed up and when putting the gear on 4 the yellow dots DO NOT ALIGN. They did before I dismantled the gear cassette.
I think the gears work but it doesn’t seem right. I cannot test the bike because the tube is leaking again and I need to fix it again, nightmare! I worry I have messed up the gear cable and I wouldn’t know how to put it back how it was before. Any help or ideas would be greatly appreciated!