Roto Grip’s Rockstar Amped is the second release in the Rockstar line. While our review balls of the original Rockstar were very condition-specific, several of our testers drilled new ones and had success with different layouts and surface adjustments. All comparisons in this review to the original Rockstar are based on the performance of our review […]
Roto Grip Rockstar Amped appeared first in Bowling This Month.