I think my sprocket is getting a bit worn and need to be changed, but I’m looking for a second opinion. It doesn’t have the «shark fins» I’ve been reading about, but the sprocket fins look a bit thin and worn.
Would appreciate someone’s opinion it.
If you can, it’s best to replace both front and rear sprockets and chain together.
Also, give your wheel a good inspection. It looks like cracks have formed near the visible bolts:
