40% Lighter than comparable rubber outsoles

And they are available in lighter weights

2000 Siaair Micro PadWeights: 16-12 PoundsLane Condition: Medium to heavy oilReaction: Strong midlaneWarranty: Two years from purchase date

we’re excited to share our love of bowling with all bowling fans

This ball takes the QR-7 Pearl coverstock with a polished finish and wraps it around the Modified Tri-Core to offer more versatility allowing it to pair well with medium as well as lighter oiled lanes

Roto Grip RST Hyperdrive Bowling Ball Type_Backpack 40% Lighter than comparable rubberThe Roto Grip RST Hyperdrive is the latest addition to the RST series, a game changer designed for the modern bowler. At the heart of the Hyperdrive lies the asymmetrical A. I Core, engineered specifically to tackle todays diverse bowling challenges. This ball features a high tech propulsion block wrapped in our innovative MicroTrax coverstock, providing unparalleled traction. The integration of the RST (Roto Star Tour) block within the A. I. Core not