Hmm, for the example lets say it was a circular reel for 0-9. I would have a scroll view with the numbers 0-9 twice (ie 01234567890123456789) so you can set the scroll position when it wraps around an edge (for example, 4 would be the edge) using similar code to this: Scrolling Content of Scrollview to a specific item - #4 by yaustar
The downside is that I don’t think it works with inertia unless you use the private API to maintain it after setting the scroll position