so one thing I'm working on right now is getting a top speed run out of this. I'm currently running an ER3 which is a 90mm outer diameter but I have a multivar 110mm variator. If it wasn't such a piece of shit I'd be running it already, but it will give me much more range of variation so once I can make it work I'll get a top speed and see where that ends up. I'm thinking it will be kinda high