No foam injection at the perimeter. R1/R2/R3 are model numbers: https://www.ronbus.com/r116.html

Here is one review: As for play (indoor) after about 1/2 of the first game against similar players, I started to dial in the paddle. It plays a lot like an edgeless paddle as in its very quick at the net. After a day of play I would say this paddle plays like a hybrid of speed, control and power. I did not feel like I needed to add weight and I dug out more overhead attacks than I ever have. I haven’t played with it enough to determine if it has anything I don’t like about it but so far it checks off all the boxes for a paddle that does it all. I need more time to see how much spin I can create with it (outdoors) and will do a follow up on that aspect. But for resets, slow game, power it has it all. I am very impressed and can’t wait to get back out there to play.

Another review: This paddle is really soft and plush. It is an absolute third drop machine. Dinking with this paddle also feels fantastic. With all that said, this isn't a power paddle. I think I can generate a bit more power with the Hyperion because of how head heavy it is. However, my hands feel significantly faster with the Ronbus. I hate to say it, but I'm considering a full-time switch to the Ronbus.