The Gremlin Tour-X joins the Gremlin and the Rockstars in the HP3 line for Roto Grip. This ball uses the asymmetrical Rondure TOUR-X weight block, which is a modified version of the original Rondure core to lower both the RG and differential. Compared to the original Gremlin, the changes bring the differential down to 0.034″ […]
Roto Grip Gremlin Tour-X appeared first in Bowling This Month.