Track
Used Track Theorem Delta 15lb #189B
Used Track Theorem Delta 15lb #189B
✓ Free shipping (lower 48) · ✓ Free in-store pickup
Not on the shelf near you? Order online and pick up at any Virtue location, usually in 2–4 days.
Store availability
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Used Ball
The Track Theorem Delta's MC2 asymmetric core paired with the HK22 Super Response hybrid coverstock delivers aggressive midlane motion with strong backend reaction, making it an excellent choice for bowlers who need defined shape on medium to medium-heavy oil patterns. The factory 500/1000/1500 Siaair finish and Crown compound provide immediate traction out of the box without requiring surface adjustments, ideal for bowlers wanting consistency right away. With a differential of 0.046 and RG of 2.473, this used Theorem Delta punches above its weight class for strokers and power players alike who want a workhorse reactive ball that won't break the bank.
This ball is available for pickup at our Lucky Strike Mesa Location.
- 30-Day Warranty — covers cracking away from any gripping holes. If a crack occurs within 30 days, the ball can be exchanged for another used ball of equal or lesser value.
- Free drilling included; gripping accessories (finger/thumb inserts, slugs, etc.) are charged separately.
- Cannot be combined with ball/bag/shoe (BBS) package discounts. If a used ball is purchased alongside a bag and shoes, each item is sold at its regular price — our used balls are already heavily discounted and additional discounts cannot be applied.
