Roto Grip SD-73 Classic Bowling Ball

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SKU
RG03

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This section is for informational purposes only. Balls are no longer available for sale.

The "Classic" is back. Roto Grip is proud to announce the release of the SD-73 "Classic". The ball that created the most controversy ever in the industry is back by popular demand. 

The Low RG (2.50), High Differential (.073) weight block is illegal by today's USBC standards, but since it was approved prior to the rule change it is perfectly legal for all USBC and PBA Regional competition. 

The Sure Grip solid reactive coverstock is a performance proven winner over the last several years and is still one of the highest friction coverstocks on the market today.

More Information
Manufacturer Part Number RSA
Lane Condition Medium to Heavy Oil
Coverstock Sure Grip Solid
Cover Type Solid Reactive
Core High density cylinder with "flip" block
Core Type Symmetric
Finish 1000 Abralon
Color Purple
RG / DIFF 2.50 / .071
Flare 9"+
Durometer 73-75
Brand Roto Grip
Manufacturer Storm
Warranty 1 Year Limited Warranty
Item Returns Sorry, the item can't be returned
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SD-73 Classic
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