Roto Grip RST X-1 Bowling Ball Weight:14 lbs. The Authority is a striking

The Authority is a striking ball of sparkling pearls with an updated version of the ERT cover made popular in the recent Baller launch with additives that help produce a lower response

The U-Motion core has a higher and lowers differential that produces great urethane ball motion

Wide width 5 inch urethane wheels

It also has a smooth texture for clean exit

Roto Grip RST X-1 Bowling Ball Weight:14 lbs. The Authority is a strikingRoto Grip RST X 1 Bowling Ball A new spin on an old classic The RST X 1 from Roto Grip is here. Roto Grip took inspiration from their 1950's roots to produce a ball with today's technology that can stand the test of time. The newly designed RST asymmetric core will produce a clean, consistent reaction and smooth continuation down lane. Wrapped around the outside, the MicroTrax Hybrid reactive coverstock finished at 3000 grit Abralon will handle medium