Roto Grip RST X-1 Bowling Ball Weight:14 lbs. Its equal parts are rational

Its equal parts are rational and emotional

Finish: 5500 Grit LSP

Wide width 5 inch urethane wheels

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Roto Grip RST X-1 Bowling Ball Weight:14 lbs. Its equal parts are rationalRoto Grip RST X 1 Bowling Ball A new spin on an old classic The RST X 1 from Roto Grip is here. Roto Grip took inspiration from their 1950's roots to produce a ball with today's technology that can stand the test of time. The newly designed RST asymmetric core will produce a clean, consistent reaction and smooth continuation down lane. Wrapped around the outside, the MicroTrax Hybrid reactive coverstock finished at 3000 grit Abralon will handle medium