If you chose a Hyper 9 Motor...

Your top speed will ideally fall somewhere between 55 mph and 95 mph. If your top speed is much higher than 95 mph you will notice a slower acceleration.

If you chose a Danfoss HD220 or HD250 Motor...

Your top speed will ideally fall somewhere between 55 mph and 115 mph. If your top speed is much higher than 115 mph you will notice a slower acceleration.

If you chose a Cascadia Motion IM225 or IM375...

Your top speed will ideally fall somewhere between 55 mph and 115 mph. If your top speed is much higher than 115 mph you will notice a slower acceleration.

If you chose a Revolt Systems CR-43 Motor..

Your top speed will ideally fall somewhere between 55 mph and 115 mph. If your top speed is much higher than 115 mph you will notice a slower acceleration.