< Back to retired-balls


Outer shell of the ball
MP Gen 2 Reactive
Surface texture on the ball (sanded, polished, etc)
1000 Polished
Lane Condition
Length and/or amount of oil on the lane
Color of the ball
Weight block inside the ball
Core Type
Basic shape type of the core (Symmetric, Asymmetrical, Pancake)
Radius of Gyration: measurement related to weight distribution of the core. This affects how quickly a ball will get in to a roll. A ball with a higher RG will roll later. A ball with lower RG will roll sooner.
14 LB. - 2.51
15 LB. - 2.46
16 LB. - 2.46
Difference between the RG of the core's x-axis and y-axis. Indicates track flare potential and stability. A higher differential means more flare potential and less stabilty. A low differential ball will be more stable and have less flare potential.
14 LB. - .037
15 LB. - .041
16 LB. - .039
Intermediate Differential 
Difference between the RG of the core's x-axis and Z-axis on an asymmetrical core. Indicates the asymmetry of the core. A higher intermediate differential ball will be less stable and will transition more quickly from skid to roll than a ball with lower intermediate differential.

Tantrum Honor Roll

< See All
  • Eric Schooley300
  • Jim Boyer290

Tantrum Product Notes


We have used the Legion core shape again but have wrapped it with our new MP GEN 2 coverstock. Its performance is longer and stronger than the Temper. The Tantrum comes 1000-grit Abralon® sanded and polished with Powerhouse™ Factory Finish. This makes for a great combination of control with raw power. The Tantrum has all of the qualities to be a winner and have your competition throwing a fit. 

Find the Tantrum in a Pro Shop near you >

Which Track Ball Is Right For You?

Try Our Recommendation Tool