Check the listing for details. Radical Spy Bowling Ball NEW!. Color: Multicolor, Condition: New. Listed at 103.95 USD. Radical Spy Bowling Ball The Spy is a perfect fit in the Radical lineup. We took the Incognito core’s great performance and wrapped it in a textured polyester cover, creating a ball that has the length desired from polyester with a little extra kick down lane from the asymmetrical Incognito core. The Spy features a medium RG 2.51 with a strong diff of .053 and a medium intermediate diff of .017. Wrapped in our great-looking textured polyester cover, The Spy is not only eye-catching but has the added performance to make it a sure winner.Performance PolyesterCOLOR Red / BlackCORE Asymmetric (DynamiCore)COVERSTOCK Textured PolyesterCOVER TYPE PolyesterFINISH 500, 1000 Siaair / Crown Factory Compound / Crown Factory PolishWARRANTY One year from purchase date– Radius of Gyration (RG): 2.51– Differential (Diff): .053– Intermediate Differential – .017– Recommended Lane Condition: Light Oil / Dry This is a brand new in box 1st quality ball and is un-drilled. As we have many of these available, this listing is not for a specific pin or top weight. Any requests may be made in a note with your payment and will be matched as close as possible.