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.

The Summit Ascent is designed for forgiveness, helping bowlers ascend to the top and achieve peak performance. Experience seamless transitions from skid to hook to roll as the Summit Ascent s strong backend ensures a predictable yet potent arc, minimizing surprises and maximizing consistency shot after shot. With Storm s renowned R2S Solid at 4000-grit Abralon, this ball strikes the perfect balance between grip and glide, providing enhanced command over both the length and shape of your shots. Usually, the solid hooks the soonest in a line, but with the R2S cover at 4000, this ball is unique and cleaner than a normal solid. Featuring a brand-new scent, Cream Soda, the Summit Ascent is ready to help you reach your personal summit of success in bowling.

Coverstock: R2S Solid
Weight Block: Centripetal HD – A.I.
Factory Finish: 4000 Grit Abralon
Ball Color: Smoke/Aqua/Shadow
Flare Potential: High
Fragrance: Cream Soda
Weights: 12-16lbs

RG – (16lbs) 2.46 (15lbs) 2.46 (14lbs) 2.46 (13lbs) 2.59 (12lbs) 2.65
Diff – (16lbs) .056 (15lbs) .056 (14lbs) .056 (13lbs) .045 (12lbs) .035