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Brunswick Rhino specs
The Brunswick Rhino is a pearl reactive ball with the Light Bulb 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 | R-16 |
|---|---|
| Cover type | Pearl reactive |
| Core (weight block) | Light Bulb |
| Core type | Not stated |
| RG | 2.524 |
| Differential | 0.030 |
| Factory finish | 500 Siaair / Crown Factory Compound / Crown Factory Polish |
| Maker's category | Affordable |
| Colors | Purple / Pink / Berry, Blue / Cadet Grey / Silver, Purple / Black, Carbon / Lime / Silver, Red / Black / Gold Pearl |
| Weights | 16-10 lbs. |
| Release date (maker) | April 16, 2026 |
Numbers as Brunswick 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 2.524. That is lower than 24% of the 134 current reactive and urethane balls in our table, so it sits on the high side. Storm says "a high RG ball delays its revving, offering more length and angular motion down the lane."
Differential 0.030. Higher than 7% of the balls in our table. Storm says "a low differential ball tends to have a more predictable, controlled motion."
Pearl reactive cover. Pearl covers skid farther before they hook; bowling.com calls them best on medium to dry lanes, and Storm ties them to dry 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 Brunswick.
Balls with similar numbers
Same cover type, closest RG and differential in our table:
- Roto Grip Hustle (VTC Pearl): RG 2.530, differential 0.030
- Motiv Frenzy: RG 2.550, differential 0.030
- Brunswick Fury (PK-26 Pearl Reactive): RG 2.524, differential 0.038
- Radical Revenge Pearl: RG 2.544, differential 0.036
Sources: Brunswick product page; Storm, "Inside The Bowling Ball"; Storm, "The Coverstock"; bowling.com coverstock FAQ; USBC Equipment Specifications Manual.