Some further info would be helpful. What you you mean by "It's not stock" ? How old is this brake/hub? What does a seller's reputation have to do with your brake?

Also, Chatgpt answers are considered off-topic for a variety of reasons. I'm not quite sure how that applies to edits.

@Criggie Can I be honest? This site is getting like Quora — you get snotty comments and asinine answers. I asked ChatGPT a question, I got an answer, and I was hoping I could get a second opinion. You're better than this.

Honest is great - that's how we collectively work together to improve both the question and the answers. How old is the brake hub? Did you somehow replace a coaster brake hub around an existing axle? I wouldn't have thought that possible, given the clutch (ie the drum) is integral to the axle. That make the chatbot's answer invalid and actively misleading.

Are you not supposed to do that? My coaster brake didn't come with a new axle and I plopped it on the old one.

A picture or two might be helpful.

@EthanMiller the very few coaster brakes I've worked on have had the drum well-secured to the axle. Possibly I could have pressed them off or hammered them out, but given braking forces, I presumed at the time they were one piece, or a heatshrink fit, or pinned/welded somehow. They were also old raleigh hubs, a company known for making up their own set of standards. Some photos would definitely help.

Pro tip: ChatGPT doesn't have any knowledge built in so if it the answer doesn't make sense but sounds like something written by advanced babble generator it's because that's what it is. The idea that a hub would not come with an axle sounds like babble generator too.

@ojs More to the point: Think of ChatGPT as an eloquent imposter. Because that's what it's actually trained for. The training aims to get confirmation votes by people who are not experts, so when ChatGPT and other such language models produce something that sounds sensible to the average non-expert, that's a 99% score. When an expert asks questions, the performance of these programs seems to disintegrate rather quickly. With hilarious consequences. The Youtube channel computerphile has some very enlightening videos on this.

This video explains the details about why ChatGPT may be outright lying to you: youtube.com/watch?v=viJt_DXTfwA The really interesting part starts around minute 16.

@cmaster-reinstatemonica Can we actually answer the question? At least it gave me an answer —a lie is better than not even addressing me. At least it tried. At least it didn't just refer me to a YouTube video. Come on.

Well, I'd much rather hear an uncomfortable truth than a nice lie. I don't know about other people, they might prefer getting lied at, I for one would always prefer the truth. In this case, the truth is that while I would gladly answer your question, I cannot do so without further information. Preferably in the form of pictures of the brake in question, as Eric has said already. I strongly believe that I would be doing you a grave disservice if I just made up an answer without any idea of what has happened to your brake.

Speaking of uncomfortable truths, there is not enough information to answer, and the information that's been added through edits is not informative.

Ethan, consider that users are trying to honestly help and you will read the comments in a new light. @Criggie could never be described as one to leave snotty comments, he is easily the best of us. If you can restructure the question starting again to give lots of details of what you have done in what order (and remove mis-rememberings) and provide any photographs, someone might get to the bottom of this