Originally Posted by Zach Phillips

They are the best open cell foams I have ever tried. Always consistant package to package and last a really long time. Amain has them listed to be back in stock on the 22

I also learned when running the plastic hexes on the RB5 If you tighten the front wheels down to hard it would bind. Same problem with the plastic B4.1 hexes/ Fixed that when I switched to aluminum clamp hexes.