Product Description The Superior Performance Line represents the pinnacle of SWAGs innovation, showcasing our finest asymmetrical cores from recent years, now paired with advanced coverstock technology. Leading this groundbreaking lineup is the Black Dragon bowling ball, a top pick by our R&D team for its unparalleled performance on the lanes. With its striking black-and-red design and bold Dragon logo, this ball is crafted to leave a lasting impression. Destined to become a cornerstone of the SWAG collection, the Black Dragon is built to dominate for years to come.Color: Black/Red *Please note that colors may slightly vary from image shownCoverstock: Scorch Solid ReactiveWeight Block: Dragon AsymmetricFactory Finish: 1500 SandedFlare Potential: 5-6″+ (High)Radius of Gyration (RG): 2.48Differential (Diff): 0.054Intermediate Differential (Mass Bias): 0.018WeightRGDiff.Interm. Diff.162.500.0480.016152.480.0540.018142.530.0500.016132.560.0490.015122.580.0160.000