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Outer shell of the ball
Surface texture on the ball (sanded, polished, etc)
4000 Grit Abralon, polished with Powerhouse Factory Finish Polish
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. - 2.53
15 LB. - 2.52
16 LB. - 2.56
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. - .045
15 LB. - .052
16 LB. - .046
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.

715A Honor Roll

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  • Jacob Seiter300/756

715A Product Notes

Manufacturer's Intent

This revolutionary 7 series, the 715A, was designed to open up the angle into the pocket. On today’s typical house shots, being able to creat more entry angle is the key to mastering the big scores.  Each new ball from Track will now include a microfiber cleaning pouch with instructions on its use. We feel this will be a great addition to help our customers maintain their performance products.

Find the 715A in a Pro Shop near you >

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