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Roto Grip SD-73 Classic 

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SD-73 Classic Specs

Product ID 4982 Brand Roto Grip
Perfect Scale 162.5 RG 2.500
Finish Matte Ball Color Purple
Lane Condition Medium-Heavy Coverstock Reactive Resin
Ball Quality First Quality Factory Finish 1000 Abralon
Coverstock Name Sure Grip Solid Reactive Core Name High density cylinder with "flip" block
Differential .073 Durometer 73 - 75
Flare Potential 9"+ (High) Performance High Performance[8]
Release Date 12/18/2006    
Originally Sold For: $69.99

This product (4982) is not available


Similar Products

The "Classic" is back. Roto Grip is proud to announce the release of the SD-73 "Classic". The ball the created the most controversy ever in the industry is back by popular demand. The Low RG (2.50), High Differential (.075) weight block is illegal by today's USBC standards, bu since it was approved prior to the rule change it is perfectly legal for all USBC and PBA Regional competition. The Sure Griptm 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.

SD-73 Classic Videos


  • Dave Williamson

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