Track PRE-DRILLED Theorem Bowling Ball - Black/Red/Violet

This bowling ball ships PRE-DRILLED. There are 5 sizes and the sizes that we drill are based on the weight of the ball.

X-Small: 6lbs- Ages 8 and under, Small: 8lbs and 9lbs- Ages 8-11 and womens ring size from 8-11, Medium: 10lbs, 11lbs, and 12lbs, Ages 11-15 and Adult Ring size 10 or lower, Large: 13lbs and 14lbs, Mens ring size 10-12 or people with larger hands, X-Large: 15lbs and 16lbs, Mens ring size over 13 or people with extremely large hands.

If you would like a different size drilled for the weight you selected, you must contact us via email as soon as your order is placed with your order number. Pre-Drilled bowling balls cannot be returned or exchanged.

Introducing the revolutionary Track Bowling ball, Theorem, where groundbreaking technology meets precision engineering to redefine the game. Designed to amplify performance on the lanes, Theorem features an innovative asymmetric core design where we modified the proven MC2 Technology from the Triton Elite. Its hybrid coverstock, Prime Response Hybrid with HK22, a fusion of reactive and solid materials, strikes the perfect balance between traction and backend reaction, resulting in exceptional performance on various lane conditions. Theorem's dynamic asymmetrical core configuration paired with Prime Response Hybrid – HK22 enhances angularity, ensuring more entry angle. Whether you are a seasoned pro, a league bowler, or you just want a new Track ball, Theorem’s innovative design will elevate your game.

Performance: Upper Mid
Color: Black/Red/Violet
Core: MC2 Asym
Coverstock: Prime Response Hybrid (HK22)
Reaction: Skid/Flip
Lane Condition: Medium to heavy oil
Cover Type: Hybrid Coverstock
Finish: 500, 1000, 1500 Siaair/ Factory Compound 
Weights: 12-16lbs
Warranty: Two years from purchase date

RG (16lbs) 2.485 (15lbs) 2.473 (14lbs) 2.487 (13lbs) 2.597 (12lbs) 2.593
Diff (16lbs) .044 (15lbs) .046 (14lbs) .046 (13lbs) .041 (12lbs) .041
ASY (16lbs) .017 (15lbs) .017 (14lbs) .017 (13lbs) .014 (12lbs) .014