Watch Will throw the Guru here –
Our newest release in the Top Shelf category is the all black solid Guru, and it’s a real game changer for the Radical Brand. We have an all new patented Scoop core design that offers even more performance than the core technology used in the Reax line.
See more at: https://www.bowlersmart.com/bowling-gear/bowling-balls/radical-bowling-balls/radical-guru-bowling-ball#sthash.lcXS4ZaY.dpuf