Roto Grip RST X-1 Bowling Ball size 10.5 This enables the ball to

This enables the ball to have a much thicker shell which raises the coefficient of restitution

Storm Rascal 1 Ball Roller Black/Gold

2 year limited warranty

now celebrating a 5-year anniversary

Instructional video for the AMF Armadillo Axis Point Measurement System (Armadillo tool sold separately)

Roto Grip RST X-1 Bowling Ball size 10.5 This enables the ball toRoto 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