rotogrip bowling balls
Rotogrip bowling balls are top dogs in the bowling world. This is why I named this blog rotogrip.org, Im a hugh fan of Rotogrip products and I would tell anyone to use there products. Rotgrip and Storm bowling are under the same roof.
There bowling balls hits hard and they do what you want the ball to do. Rotogrip and Storm do not make bs bowling balls in fact they are almost also on TV and the biggest stage.