No, it fits just fine, but it is snug, but it’s also the largest inner diameter in that size range. Not to imply anything there.
By ‘riding’ , yes, I mean on a bicycle, not a motorcycle. The reason that I mention it, is that the seats can sometimes cause things like cock rings and stretchers to rub, or pinch, due to how they’re designed, and shaped (the seat).
Hopefully that’s a bit clearer 🙂