Hammer Effect Bowling Ball

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The new Hammer Effect is unlike any other; it is the first ball to be poured in four colors. The gorgeous appearance isn’t the only thing that will turn heads; the Hammer Effect’s clean and aggressive mid-lane and backend performance is unparalleled in the High Performance category. The Hammer Effect introduces a new core shape called Huntsman and has physical features that will remind you of other famous Hammer balls like the Vibe and Black Widow, creating optimum performance on the lanes. Along with the new core, we’ve upped our HK22 game with this new version that takes responsiveness to the next level. Once you see what the Hammer Effect does on the lanes, you’ll want HK22 – Cohesion Pearl to be used more and more.

Color Maroon / Blue / Black / Purple
Coverstock HK2 - Cohesion Pearl
Core Huntsman
RG 2.470
Differential 0.050
Intermediate Diff 0.017
Factory finish 500, 1000, 1500 Siaair / Factory Compound

12 thru 16lbs

Lane Condition medium to heavy oil


  • 16 lb - RG (2.483) DIFF (0.043) ASY (0.015)
  • 15 lb - RG (2.470) DIFF (0.050) ASY (0.017)
  • 14 lb - RG (2.495) DIFF (0.050) ASY (0.016)
  • 13 lb - RG (2.597) DIFF (0.041) ASY (0.014)
  • 12 lb - RG (2.593) DIFF (0.041) ASY (0.014)