We have migrated to a new platform which will allow us to add new features to the site in the near future. If you see anything that isn't working, please let us know by using the "Contact Us" form here. If you're unable to login, use the "Forgot Username or Password" feature to have a new password emailed to you.

Grudge Pearl

  • Color: Black/White/Violet
  • Coverstock: Composite Hook Pearl
  • Weight Block: Grudge Low RG Asymmetric
  • Factory Finish: 500 Siaair with Crown Factory Compound
  • Flare Potential: High
  • Radius of Gyration (RG): 2.490
  • Differential (Diff): 0.056
  • Intermediate Differential (Diff): 0.014

BALL MOTION: All Purpose with Maximum Flip

LANE CONDITION: Ideal for Medium Oil

BALL MAINTENANCE: To reduce oil absorption and remove dirt from the surface of the ball, clean your ball with a cleaner designed for reactive bowling balls immediately after each session.

WARRANTY: Two years from date of purchase

Line Grudge
Color Black/White/Violet
Coverstock Composite Hook Pearl
Core Grudge Low RG Asymmetric
RG 2.490
Differential 0.056
Intermediate Diff 0.014
Factory finish 500 Siaair with Crown Factory Compound
Weights 12-16
Cleared USBC Yes