First ImpressionsThe Tour Dynam-X feels like it will be special on flatter patterns. Possibly give some of us lower rev bowlers an option when the high rev guys are using urethane. 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 … Continue reading Roto Grip Tour Dynam-X Bowling Ball Review →