This logic was the basis of development by the RD team as they looked to create a core that would maintain dynamics after drilling in order to maintain a higher level of core torque down lane. BALL LANE CONDITIONS: Medium – Heavy Oil The larger mass at the base of the core does indeed create that. Kick it Into Hyperdrive! Introducing RST Hyperdrive Pearl 🌟, Available 9/19/25, /products/equipment/bowling balls/bbmryr rst hyperdrive pearl | Roto Grip Roto Grip RST X-4 Bowling Ball ” Our latest asymmetrical creation continues that tradition with the development of the RST Core which produces consistent core torque and energy transfer down lane where it is needed most. Professional bowlers like to see continuous motion down lane with minimal deflection as the ball enters the pocket due to their rev rates usually being on the higher side. BOWLING BALL CORE SHAPE: Asymmetrical Core Dating back to the mid-1950’s, there is a reason Roto Grip is often referred to as the “Original High-Performance Bowling Ball Specialists. 016 FLARE POTENTIAL: 4 – 5 Inches BALL LANE CONDITIONS: Medium – Heavy Oil BALL WEIGHT: 12LB, 13LB, 14LB, 15LB, 16LB BOWLING BALL COLOR: Black, Pink, Yellow The buying guide for Roto Grip RST X-3 ultimately comes down to understanding your needs, evaluating your skill level, and making an honest assessment of whether this ball's capabilities align with your bowling goals BOWLING BALL CORE NAME: Roto Grip RST Core RST X-3 Ball Roto Grip RST X-3 Squad Bowling Ball Roto Grip Bowling Ball
