First ImpressionsI was hoping for an Idol Pearl replacement but the Roto Grip Idol Cosmos is something entirely different. Check out our friends Jeff Miller and Ron Hoppe at Haley’s Pro Shop for world class drilling and coaching! Tamer Elbaga (Lefty)Style: TweenerRPM: 375 rpmPAP: 5 & 3/8 upAverage Speed: 18.5 mph (at release)Axis tilt: lowAxis rotation: medium/highTest … Continue reading Roto Grip Idol Cosmos Bowling Ball Review →