Got an RS-1 in a trade from here on the site. It only had about 5 games on it... drilled 4x4 stacked with a small X-hole. I added some thumb tape (lots of it) and the ball fits just fine.
I expected a weak pearl, but this ball hits like a truck! Light lits have tons of carry; really trips 10s on in-between hits too. I haven't had the right condition for it in league play, but have used it a bit in practice. My 2nd time out with it I toseed a 300 in practice.
This ball has whetted my appetite for other Roto gear, like the SD-73 and the Saga. Great stuff Roto!
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pjr300
live from the Bowling Capital of the World