I played with BHB7 at 40 in my modded IG rad MP. It plays very well with great spin and a good deal of power for a poly. It wasn't as crisp feeling as I would've liked but I think I can change that with a bit of playing around with the tension.
4.0 baseliner player Head YT IG Radical MP (modded)
Gut/ TB 16 48/43