The Roto Grip Exotic Gem rolls into the HP4 line just in time for the holiday season. It uses the asymmetrical Defiant LRG weight block from the Gem and pairs it with a new aggressive pearlized coverstock. The new MicoTrax Pearl Reactive coverstock starts earlier than both the eTrax PLUS Pearl from the RST X-2 […]
Roto Grip Exotic Gem appeared first in Bowling This Month.
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