Don't miss your chance to get your hands on this rare overseas release, the Roto Grip RST X-4.
Roto Grip's RST core technology has been a game-changer for high-performance bowling balls since the 1950s. This innovative tech provides superior energy transfer and consistent torque, adapting to professional rev rates on lanes. Discover how Roto Grip's RST core technology can help elevate your bowling game today.
Overseas balls are approved for all sanctioned USBC league and tournament play, but may not be approved for PBA competition.