Morich’s new offering is the Lev-RG Response, the Blurple Berry Pearl “Extended Ra Pearl Reactive” coverstock finished at 4000 Grit and wrapped around the “EZRev” core with RG numbers of 2.509 and RG Diff of .046.
Learning from all the valuable research recently performed by the USBC in regards to coverstock Ra values (the height and depth of the microscopic "spikes" and "pores" on the surface of a bowling ball), and their direct effect on a cover's performance capabilities, MoRich developed the all new “Extended Ra Pearl Reactive Cover”.
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