Bowling ball core · Storm
Storm G2 Core
The core inside the Storm Bite line
An asymmetric core with early rev-up and very high flare, built for medium to heavy oil. Balls with this core are no longer available at BowlersMart.
- Asymmetric
- RG 2.470
- Diff 0.058
- MB 0.028

Specs
RG AT 15 LB
2.470
Early rev-up
2% of the reactive and urethane balls we stock have a lower RG.
DIFFERENTIAL AT 15 LB
0.058
Very high flare
95% of the reactive and urethane balls we stock have a lower differential.
MASS BIAS AT 15 LB
0.028
Strong asymmetry
99% of the asymmetric reactive and urethane balls we stock have a lower mass bias.
| Weight | RG | DifferentialDiff | Mass biasMB |
|---|---|---|---|
| 16 lb | 2.470 | 0.058 | 0.026 |
| 15 lbUsed on this page | 2.470 | 0.058 | 0.028 |
| 14 lb | 2.500 | 0.057 | 0.022 |
| 13 lb | 2.570 | 0.032 | 0.010 |
| 12 lb | 2.590 | 0.029 | 0.008 |
Source: Storm published specs, as shown on BowlersMart’s original Storm G2 core page (2022). RG and differential change with ball weight; use the row for the weight you throw. The highlighted 15 lb row is the one used on this page.
1 ball on this core lists different numbers
- Storm Raging Bite Overseas Bowling Ball: RG 2.460, diff 0.059, mass bias 0.029 at 15 lb
Looking for a ball like your Bite?
Balls with the Storm G2 Core are no longer available at BowlersMart. These in-stock balls have the closest RG and differential.

Ebonite HK22C2 GB 15.1 Solid Reactive
Medium to heavy oil

Motiv Leverage MXT Solid Reactive
Medium to heavy oil

900 Global RB 91 Hybrid Reactive
Medium to heavy oil

Storm NRG Pearl Reactive
Medium to heavy oil

Track Prime Response HK22c2 Reactive
Medium to heavy oil

Track Super Response Hybrid HK22C Reactive
Medium to heavy oil
Balls with the Storm G2 Core
None of the 5 balls with the Storm G2 Core are in stock at BowlersMart right now.
Show 5 balls no longer available at BowlersMart
| Ball | Cover | First seen |
|---|---|---|
| Storm Ultra Bite Overseas Bowling Ball | Storm NRG-3 Hybrid Reactive | January 2021 |
| Storm Bite SE Overseas Bowling Ball | Storm Traction X7 Hybrid Reactive | December 2019 |
| Storm Bite Panic Overseas Bowling Ball | Storm NRG Pro Solid Reactive | March 2022 |
| Storm Bite Frost Overseas Bowling Ball | Storm Traction X7 Reactive | June 2022 |
| Storm Raging Bite Overseas Bowling Ball | Storm TX-16 Solid Reactive | June 2026 |
Where the Storm G2 sits
Each dot is a core in balls we stock. Cores close together roll alike; the cover and layout decide the rest.
Navy ring = a ball in your bag. Dashed ring = off this chart, or this same core.
Nearest cores, zoomed in
Navy ring = a ball in your bag. Dashed ring = off this chart, or this same core.
This core 1 Nearest cores Other cores
| Core | Brand | Shape | RG | Diff | vs this core |
|---|---|---|---|---|---|
|
|
Ebonite | Asymmetric | 2.466 | 0.056 | RG −0.004 · Diff −0.002 |
|
|
Storm | Asymmetric | 2.470 | 0.055 | RG 0.000 · Diff −0.003 |
|
|
900 Global | Symmetric | 2.470 | 0.055 | RG 0.000 · Diff −0.003 |
|
|
Motiv | Symmetric | 2.470 | 0.055 | RG 0.000 · Diff −0.003 |
|
|
Motiv | Asymmetric | 2.470 | 0.054 | RG 0.000 · Diff −0.004 |
|
|
Track | Symmetric | 2.482 | 0.056 | RG +0.012 · Diff −0.002 |
Matches use 15 lb RG and differential.
Drilling and tools
Turn on JavaScript to compare with your ball.Balls with the Storm G2 CoreNone of the 5 balls with the Storm G2 Core are in stock at BowlersMart right now.Show 5 balls no longer available at BowlersMartMore bowling balls with the Storm G2 CoreBallCoverFirst seenStorm Ultra Bite Overseas Bowling BallStorm NRG-3 Hybrid ReactiveJanuary 2021Storm Bite SE Overseas Bowling BallStorm Traction X7 Hybrid ReactiveDecember 2019Storm Bite Panic Overseas Bowling BallStorm NRG Pro Solid ReactiveMarch 2022Storm Bite Frost Overseas Bowling BallStorm Traction X7 ReactiveJune 2022Storm Raging Bite Overseas Bowling BallStorm TX-16 Solid ReactiveJune 2026Where the Storm G2 sitsEach dot is a core in balls we stock. Cores close together roll alike; the cover and layout decide the rest.All coresSymmetricAsymmetricStorm onlyAny brand900 GlobalBrunswickColumbia 300DV8EboniteEpicHammerKR StrikeforceMotivRadicalRoto GripSWAGStormTrack+−ResetZoom to this coreDV8 Larceny Core, RG 2.471, diff 0.028DV8 Renegade Core, RG 2.499, diff 0.040Track I-Core Gen4, RG 2.480, diff 0.053Brunswick Vintage Light Bulb Low RG Core, RG 2.568, diff 0.032Brunswick Dual Centric Core, RG 2.509, diff 0.047Ebonite Big Time Core, RG 2.508, diff 0.054Hammer Stacked LED Core, RG 2.545, diff 0.047Hammer Vindicator Core, RG 2.474, diff 0.053Radical Vexed Variant Asymmetric Core, RG 2.490, diff 0.045Radical Modified Intel Symmetric Core, RG 2.483, diff 0.032Motiv Affliction V2 Core, RG 2.480, diff 0.055Storm Element Tour A.I. Core, RG
Questions bowlers ask
What is the RG of the Storm G2 Core?
At 15 lb the Storm G2 Core has an RG of 2.470. It ranges from 2.470 to 2.590 across the listed weights.
What is the 14 lb RG of the Storm G2 Core?
At 14 lb the RG is 2.500.
What is the differential of the Storm G2 Core?
At 15 lb the differential is 0.058. The mass bias is 0.028.
Which bowling balls use the Storm G2 Core?
Storm Ultra Bite Overseas Bowling Ball, Storm Bite SE Overseas Bowling Ball, Storm Bite Panic Overseas Bowling Ball, Storm Bite Frost Overseas Bowling Ball, Storm Raging Bite Overseas Bowling Ball. 0 are in stock now.
Can I still buy a ball with the Storm G2 Core?
Balls with this core are currently unavailable at BowlersMart. Closest in-stock alternatives by RG and differential include Ebonite The Great One Bowling Ball, Motiv Forge Fuel Bowling Ball, 900 Global Vengeance Returns Bowling Ball, Storm Ion Max Pearl Bowling Ball, Track Paragon Fire Bowling Ball, Track Stealth Mode Hybrid Bowling Ball.
How do the Storm G2 Core specs change by weight?
At 16 lb: RG 2.470, differential 0.058, mass bias 0.026. At 12 lb: RG 2.590, differential 0.029, mass bias 0.008.
How does the Storm G2 Core compare with my ball?
Type the ball you throw into the Compare with your ball box on this page. It shows the RG and differential side by side and saves your bag for every core page.
Sources and method
Specs. Storm published specs, as shown on BowlersMart’s original Storm G2 core page (2022), as published by the manufacturer.
Baseline. The baseline is 212 in-stock, published reactive and urethane balls. Plastic and polyester covers, 2-piece, 3-piece and pancake cores, missing covers and missing RG or differential values are excluded.
Percentiles. Percentiles are the share of baseline balls with a strictly lower or higher value; ties are not counted.
Nearest cores. Nearest cores are ranked by distance on standardized 15 lb RG and differential, with the same symmetric or asymmetric shape preferred among near ties (distance bands of 0.1).
Mass bias. Mass bias is compared among asymmetric balls with numeric mass bias only.
Updated. Catalog and page updated 2026-10-16.


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