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Track Stealth Mode Hybrid specs
The Track Stealth Mode Hybrid is a hybrid reactive ball with the Stealth core. Here are its published specs, how they compare with the other current balls in our table, and what the numbers mean on the lane.
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| Coverstock | Super Response Hybrid (HK22C) |
|---|---|
| Cover type | Hybrid reactive |
| Core (weight block) | Stealth |
| Core type | Not stated |
| RG | 2.482 |
| Differential | 0.056 |
| Factory finish | 500, 1000, 1500 Siaair / Factory Compound |
| Maker's category | Upper Mid |
| Color | Black / Cadet Grey / Gold |
| Weights | 16-12 Pounds |
| Release date (maker) | February 19, 2026 |
Numbers as Track publishes them, checked 21 October 2026. Published for a 15-pound ball. Drilling changes how a ball behaves, so a pro shop's layout matters as much as these numbers.
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What the numbers mean
RG 2.482. That is lower than 63% of the 134 current reactive and urethane balls in our table, so it sits on the low side. Storm says "a low RG ball will rev up quickly and roll smoothly."
Differential 0.056. Higher than 91% of the balls in our table. Storm says "a high differential ball will create a sharper angle of entry into the pins."
Hybrid reactive cover. Hybrids mix solid and pearl; Storm says they suit bowlers who need a ball "that can adapt to a variety of lane conditions."
USBC allows an RG from 2.447 to 2.813 inches and a differential of at most 0.060 inches (Equipment Specifications Manual, March 2026). Our ball spec table lists every current ball we track, and who makes bowling balls covers which company owns Track.
Balls with similar numbers
Same cover type, closest RG and differential in our table:
- Storm Equinox Hybrid: RG 2.470, differential 0.054
- Radical Deep Impact: RG 2.480, differential 0.052
- 900 Global Vengeance Returns: RG 2.460, differential 0.056
- Radical No Doubt Hybrid: RG 2.485, differential 0.051
Sources: Track product page; Storm, "Inside The Bowling Ball"; Storm, "The Coverstock"; bowling.com coverstock FAQ; USBC Equipment Specifications Manual.