I have 5 Savages including the original release with 21 engine. I have the rear hubs on my 4th truck. 2 years & over 10 gallons later with zero issue. I got a bunch of their XL parts and upgraded my X. I've heard of some negative things about Integy but they're just not true, these new XL...
To make the beads lock better, you might want to sand the edges to make them rough. If you go the dish wheel route, you'll have to glue them plus they can still come off at high speed.
I've been using the MSR8 for 6 months with no problem, just got a bunch of their XL parts. They've come a long way and these new XL parts are just bullet proof, I've been doing 10ft+ jumps and believe it or not, my truck comes back in one piece. 20 weight might still be too thick, I run 8...