On the Rev home site it suggests up to 16mph with 3 wrap in a B standard. As the Race Rods are supposed to be "the weight of a 2 wrap with the strength of a 3 wrap" well sort of, I would think you would be OK up to about that limit.
As a suggestion of course, it is very much down to the skill of the pilot. For instance I have a Zen, and I am sure there must be summat wrong with it. On the Rev site it says down to 0mph. Be blowed if I can make mine fly in anything less than about 5mph.
This is down to my skill level and of course lack of practice. I am sure you have seen videos of folks doing a 360, well when they are doing that the wind is actually blowing the wrong way into the kite. Just cuz they are running keeps it up.
And let me be honest, I have NO intention of running with a kite. Gave that up when I got into my Teens.
As the other guys have suggested rods can be quite personal. I have flown with 2 4 wrap LE's in a full vent at about 50mph or so, no fun at all, just that I had driven over 2 Hours to get there ans I was NOT going home without flying.
You sort of need to feel when it is time to change. and when you get a bigger bag of rods, there in nowt wrong with a 3 wrap middle and 2 wrap ends or 4 in the middle 3 on the outside. Race LE with 3 wrap downs. Just mix and match to make it fly the way YOU want it to fly.
And if YOU can fly the heck out of it the way it is set up, no matter what rods are in it and where the lines are set. And NO ONE else can get it off the ground the way you have set it up. Then that is the RIGHT way for it.
Main thing, have BAGS of fun.
I have almost 20 Revs now, not counted recently, all set up different ways to suit me. I have fun that way, however I often wish I was good enough to maybe have 1 or 2 with a few spare rods, would be SO much easier to cart around, however to do that would need the dedication and practice that would interfere with the fun I have of chucking a kite in the air and just flying it around. So to make up for my skill level and save time on setting up I have lots of set ups ready to go.
Hope you get on well, let us all know OK?