Bowling ball core · Storm

Storm C3 Centripetal Control Core

The core inside the Storm IQ Tour line

A symmetric core with mid-lane rev-up and low flare, built for medium to heavy oil. 3 of the 22 balls with this core are in stock at BowlersMart.

  • Symmetric
  • RG 2.490
  • Diff 0.029
Storm C3 Centripetal Control symmetric core shape inside the ball

Specs

RG AT 15 LB

2.490

Mid-lane rev-up

Revs soonerRevs later

34% of the reactive and urethane balls we stock have a lower RG.

DIFFERENTIAL AT 15 LB

0.029

Low flare

Less flareMore flare

8% of the reactive and urethane balls we stock have a lower differential.

MASS BIAS AT 15 LB

None

Symmetric core

Symmetric cores have no mass bias marker to place when drilling.

RG How soon the ball revs up.Differential How much the ball can flare.Mass bias How asymmetric the core is.
Storm C3 Centripetal Control Core specs by ball weight
Weight RG DifferentialDiff Mass biasMB
16 lb 2.490 0.035 None
15 lbUsed on this page 2.490 0.029 None
14 lb 2.540 0.034 None
13 lb 2.590 0.045 None
12 lb 2.650 0.035 None

Source: Storm published specs, as shown on BowlersMart’s original Storm C3 Centripetal Control 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.

Balls with the Storm C3 Centripetal Control Core

3 of the 22 balls with the Storm C3 Centripetal Control Core are in stock at BowlersMart. Same core, different covers: pick the cover for the lanes you bowl on.

Solid covers

Solid covers grip the lane soonest and suit heavier oil.

Storm IQ Tour Bowling Ball

Storm IQ Tour

Storm R2S Solid Reactive

Medium to heavy oil

Sale price $169.95 Regular price $249.95In stock

Pearl covers

Pearl covers go longer and turn harder at the end, best on medium oil.

Storm IQ Tour Sapphire Bowling Ball

Storm IQ Tour Sapphire

Storm R2S Pearl Reactive

Dry to medium oil, medium oil

Sale price $184.95 Regular price $249.95In stock

Urethane covers

Urethane gives a smooth, controllable arc for drier lanes and short patterns.

Storm IQ Tour 78/U Bowling Ball

Storm IQ Tour 78/U

Control 78 Solid Urethane

Dry to medium oil

Sale price $159.95 Regular price $249.95In stock
Show 19 balls no longer available at BowlersMart
More bowling balls with the Storm C3 Centripetal Control Core
Ball Cover First seen
Storm IQ Super G Overseas Bowling Ball Storm R2S Pearl Reactive August 2023
Storm IQ Tour Ruby Bowling Ball Storm R2S Pearl Reactive February 2023
Storm Yellow Sun Storm Limited Edition Bowling Ball Storm SPEC Solid Reactive June 2022
Storm IQ Tour 78/U X-Comp Bowling Ball Control 78 Solid Urethane July 2026
Storm IQ Tour Fusion Bowling Ball Storm R2S Hybrid Reactive December 2013
Storm IQ Tour Nano Bowling Ball Storm NRG Solid Nano Solid Reactive October 2014
Storm IQ Tour 30 Bowling Ball Storm R2S Pearl Reactive October 2015
Storm IQ Tour Emerald Bowling Ball Storm R2S Pearl Reactive July 2019
Storm IQ Tour Nano Pearl Bowling Ball Storm Nano Pearl Reactive June 2020
Storm IQ Tour Urethane Red Overseas Bowling Ball Storm U1S Solid Urethane January 2019
Storm IQ Tour Edition II Overseas Bowling Ball Storm R2S Solid Reactive January 2020
Roto Grip Sword Nano Overseas Bowling Ball Storm NRG Smooth Hybrid Reactive January 2020
Storm IQ Tour Nano Purple Overseas Bowling Ball Storm NRG Solid Nano Solid Reactive May 2022
Storm IQ Tour U Overseas Bowling Ball Storm UreMax Solid June 2022
Storm IQ Tour Blue Overseas Bowling Ball Storm R2X Solid Reactive June 2023
Storm IQ Tour Pink Overseas Bowling Ball Storm R2S Hybrid Reactive May 2022
Storm IQ Tour Dark Green Overseas Bowling Ball Storm Reactor XG Pearl June 2023
Storm IQ Galaxy Overseas Bowling Ball Storm NRG-2 Pearl Reactive December 2022
Storm IQ Tour Purple Overseas Bowling Ball Storm R2S Pro Pearl Reactive June 2022

Shop the 3 available balls with this core

Where the Storm C3 Centripetal Control sits

Each dot is a core in balls we stock. Cores close together roll alike; the cover and layout decide the rest.

DV8 Renegade Core, RG 2.499, diff 0.040Track I-Core Gen4, RG 2.480, diff 0.053Brunswick Vintage Light Bulb Low RG Core, RG 2.560, diff 0.032Brunswick Dual Centric Core, RG 2.500, diff 0.047Ebonite Big Time Core, RG 2.500, 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 0.045Motiv Affliction V2 Core, RG 2.480, diff 0.055900 Global Conduit A.I. Core, RG 2.590, diff 0.050Roto Grip GEM A.I. Core, RG 2.490, diff 0.057Hammer Obsession Tour, RG 2.460, diff 0.034Hammer Super Offset Core, RG 2.524, diff 0.053Hammer Gas Mask Core, RG 2.500, diff 0.058Ebonite Turbo Core, RG 2.510, diff 0.040Ebonite Centrex Symmetrical Mass Bias, RG 2.460, diff 0.056Motiv Excel Core, RG 2.550, diff 0.030Motiv Detonator Core, RG 2.470, diff 0.055Storm Solarion AI Core, RG 2.480, diff 0.054SWAG Insanity Symmetric Core, RG 2.520, diff 0.034SWAG Fusion Symmetric Core, RG 2.540, diff 0.036SWAG Watcher Symmetric Core, RG 2.510, diff 0.048SWAG Dragon Asymmetric Core, RG 2.480, diff 0.054SWAG Executioner Asymmetric Core, RG 2.500, diff 0.051Motiv Predator V2 Core, RG 2.470, diff 0.054Roto Grip Rondure MaxD Core, RG 2.500, diff 0.058Hammer Vibe Core, RG 2.510, diff 0.042Hammer Aftermath Core, RG 2.520, diff 0.052Brunswick Alert Core, RG 2.470, diff 0.037Brunswick Rampart Core, RG 2.500, diff 0.051DV8 Collision Core, RG 2.462, diff 0.052Track MC2 Asym Core, RG 2.470, diff 0.046Radical Evil Eye Symmetric Core, RG 2.490, diff 0.046Ebonite Iron Fist V2 Core, RG 2.470, diff 0.053Radical No Doubt Symmetric Core, RG 2.480, diff 0.051Storm Surge Core, RG 2.580, diff 0.024Roto Grip Hyped UP Core, RG 2.500, diff 0.042Roto Grip Morph-Wing Core, RG 2.510, diff 0.051Brunswick Fury Core, RG 2.524, diff 0.038Motiv Sigma Core, RG 2.470, diff 0.047Roto Grip Hustle Core, RG 2.530, diff 0.030900 Global Blast AI Core, RG 2.470, diff 0.055900 Global Strobe AI Core, RG 2.510, diff 0.052Radical Guru Core, RG 2.500, diff 0.044Track I-CORE 3.0, RG 2.480, diff 0.056DV8 Unholy Core, RG 2.500, diff 0.051Brunswick Infinity Core, RG 2.520, diff 0.051Storm Catalyst Core, RG 2.500, diff 0.052Hammer Gauntlet Core, RG 2.501, diff 0.050Hammer Raw Hammer Core, RG 2.537, diff 0.038Storm Atmos A.I. Core, RG 2.530, diff 0.042Storm Booster Core, RG 2.540, diff 0.046Track Shuttle Core, RG 2.490, diff 0.038Brunswick Light Bulb Core, RG 2.524, diff 0.030Radical Sneak Attack Core, RG 2.540, diff 0.036Hammer Huntsman Core, RG 2.470, diff 0.050Hammer Super LED Core, RG 2.630, diff 0.034Ebonite Enhanced V2 Core, RG 2.480, diff 0.048DV8 Dualistic Core, RG 2.490, diff 0.045Radical Vexed Asymmetric Core, RG 2.490, diff 0.036Motiv Quadfire Core, RG 2.550, diff 0.043Track Stealth Core, RG 2.480, diff 0.056Brunswick Tiered Hexagon Core, RG 2.540, diff 0.045Columbia 300 Piranha Core, RG 2.550, diff 0.043Storm Torsion AI Core, RG 2.470, diff 0.050Storm Element Max AI Core, RG 2.470, diff 0.055Storm Radius Core, RG 2.610, diff 0.020SWAG Unreal Core, RG 2.510, diff 0.047SWAG Craze Core, RG 2.520, diff 0.030SWAG Serpent Asymmetric Core, RG 2.510, diff 0.048Radical Torpedo Asymmetric Core, RG 2.480, diff 0.054Motiv Overload, RG 2.480, diff 0.050DV8 Duality Core, RG 2.480, diff 0.036Hammer Spheroid Core, RG 2.480, diff 0.048Radical Outer Limits Asymmetric, RG 2.490, diff 0.051Motiv Apex Predator Core, RG 2.520, diff 0.055Brunswick Danger Zone Core, RG 2.501, diff 0.048Storm RAD-TQ Core, RG 2.560, diff 0.051Storm Velocity Core, RG 2.480, diff 0.051Hammer LED Resin Bowling Ball Core, RG 2.586, diff 0.027Epic Spark Core, RG 2.540, diff 0.049Motiv Hadron Dual Density Core, RG 2.500, diff 0.045Track Criterion ID Core, RG 2.490, diff 0.047Brunswick Zone Asymmetric Core, RG 2.470, diff 0.048Ebonite Entity Core, RG 2.510, diff 0.052Roto Grip Rocker AI Core, RG 2.480, diff 0.050Motiv Flux Core, RG 2.570, diff 0.015DV8 Mantra Core, RG 2.490, diff 0.047Roto Grip RST Core + AI, RG 2.520, diff 0.055Motiv Impulse V2 Core, RG 2.550, diff 0.050SWAG APX V1 Core, RG 2.500, diff 0.042SWAG Fusion Core, RG 2.540, diff 0.036SWAG Judge Core, RG 2.490, diff 0.052900 Global Magna AI Core, RG 2.490, diff 0.044Roto Grip Rondure Core, RG 2.490, diff 0.052Columbia 300 Pulse PowerCOR, RG 2.460, diff 0.045Storm Element Tour A.I. Core, RG 2.470, diff 0.035KR Strikeforce KR Launch Core, RG 2.530, diff 0.047900 Global Ellipse Asymmetric A.I. Core, RG 2.480, diff 0.050Motiv Halogen Core, RG 2.550, diff 0.037Motiv Gear APG, RG 2.470, diff 0.036Radical Snapshot Symmetric Core, RG 2.520, diff 0.050Hammer High Rev Offset Core, RG 2.489, diff 0.053Hammer Huntsman Tour Core, RG 2.472, diff 0.036Hammer LED Core, RG 2.650, diff 0.015Storm Inverted Fe2 Core, RG 2.570, diff 0.046Storm Capacitor Core, RG 2.570, diff 0.022Storm Velocity A.I. Core, RG 2.470, diff 0.053Storm Atomic Core, RG 2.480, diff 0.053Storm RAD-X Asymmetric, RG 2.480, diff 0.054Storm ID AI Core, RG 2.510, diff 0.055Hammer FAB Asymmetric, RG 2.550, diff 0.051Columbia 300 Shifter Core, RG 2.470, diff 0.050Radical Modified Intel Symmetric, RG 2.480, diff 0.032Columbia 300 Columbia Ricochet Core, RG 2.480, diff 0.054Roto Grip Defense AI Core, RG 2.490, diff 0.053Storm Supercoil Core, RG 2.470, diff 0.053Storm Centripetal HD A.I. Core, RG 2.460, diff 0.056Hammer Modified Infamous Core, RG 2.560, diff 0.049Brunswick Ethos Core, RG 2.480, diff 0.053Hammer Hazmat Core, RG 2.470, diff 0.055Track Criterion MD Core, RG 2.500, diff 0.052Storm Ignition Core, RG 2.490, diff 0.052Roto Grip Momentous A.I. Core, RG 2.480, diff 0.049Brunswick Portal X Core, RG 2.470, diff 0.054Ebonite Emerge Core, RG 2.510, diff 0.053Radical Katana Core, RG 2.500, diff 0.050900 Global Meditate LD Symmetric Core, RG 2.560, diff 0.027Columbia 300 Movement Core, RG 2.510, diff 0.053Storm C3 + AI Core (pictured: Storm IQ Tour A.I. Bowling Ball)1Radical Modified Intel Symmetric Core (pictured: Radical Intel Recon Hybrid Bowling Ball)2DV8 Larceny Core (pictured: DV8 Smooth Criminal Bowling Ball)3Motiv Gear Core (pictured: Motiv Venom Shock Bowling Ball)4Hammer Gas Mask Low Diff Core (pictured: Hammer Black Widow Tour V1 Bowling Ball)5Roto Grip Rondure Tour X Core (pictured: Roto Grip Gremlin Tour X Bowling Ball)6Storm C3 Centripetal Control Core (pictured: Storm IQ Tour 78/U Bowling Ball)EARLY REV-UPMID-LANELATER REV-UPHIGH FLAREMEDIUMLOW FLARE2.442.482.522.562.602.642.680.0100.0200.0300.0400.0500.060RG at 15 lbDifferential at 15 lb← Revs up soonerRevs up later →More flare ↑Less flare ↓

Nearest cores, zoomed in

Hover or tap a dot for that core’s numbers. Click a dot to open its page. Drag to move around when zoomed in. The same RG and differential do not guarantee the same ball motion.

Same family: Storm C3 + AI Core

This core 1 Nearest cores Other cores

Nearest cores to the Storm C3 Centripetal Control Core
Core Brand Shape RG Diff vs this core
Storm IQ Tour A.I. Bowling Ball1Storm C3 + AI CorePictured: Storm IQ Tour A.I.
 Storm Symmetric 2.480 0.031 RG −0.010 · Diff +0.002
Radical Intel Recon Hybrid Bowling Ball2Radical Modified Intel Symmetric CorePictured: Radical Intel Recon Hybrid
 Radical Symmetric 2.483 0.032 RG −0.007 · Diff +0.003
DV8 Smooth Criminal Bowling Ball3DV8 Larceny CorePictured: DV8 Smooth Criminal
 DV8 Symmetric 2.471 0.028 RG −0.019 · Diff −0.001
Motiv Venom Shock Bowling Ball4Motiv Gear CorePictured: Motiv Venom Shock
 Motiv Symmetric 2.480 0.034 RG −0.010 · Diff +0.005
Hammer Black Widow Tour V1 Bowling Ball5Hammer Gas Mask Low Diff CorePictured: Hammer Black Widow Tour V1
 Hammer Asymmetric 2.500 0.034 RG +0.010 · Diff +0.005
Roto Grip Gremlin Tour X Bowling Ball6Roto Grip Rondure Tour X CorePictured: Roto Grip Gremlin Tour X
 Roto Grip Asymmetric 2.480 0.034 RG −0.010 · Diff +0.005

Matches use 15 lb RG and differential.

Drilling and tools

Storm drill sheetsLayout guides for symmetric and asymmetric ballsDual angle converterTurn a pin to PAP layout into a dual angle layoutStorm layout adapterAdapt a VLS layout for speed, rev rate and axis rotation

Workable and forgiving, the C3 Centripetal Control Core is a design that revs up quickly, providing a smoother change of direction downlane. This shape is beneficial for players requiring control at the breakpoint. Used only in the !Q Tour series of balls, this core is precisely designed and manufactured using proprietary technology.

From Storm’s description

Questions bowlers ask

What is the RG of the Storm C3 Centripetal Control Core?

At 15 lb the Storm C3 Centripetal Control Core has an RG of 2.490. It ranges from 2.490 to 2.650 across the listed weights.

What is the 14 lb RG of the Storm C3 Centripetal Control Core?

At 14 lb the RG is 2.540.

What is the differential of the Storm C3 Centripetal Control Core?

At 15 lb the differential is 0.029. This is a symmetric core, so mass bias is not applicable.

Which bowling balls use the Storm C3 Centripetal Control Core?

Storm IQ Tour Sapphire Bowling Ball, Storm IQ Tour 78/U Bowling Ball, Storm IQ Tour Bowling Ball, Storm IQ Super G Overseas Bowling Ball, Storm IQ Tour Ruby Bowling Ball. 3 are in stock now.

How do the Storm C3 Centripetal Control Core specs change by weight?

At 16 lb: RG 2.490, differential 0.035. At 12 lb: RG 2.650, differential 0.035.

How does the Storm C3 Centripetal Control 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 C3 Centripetal Control core page (2022), as published by the manufacturer.

Baseline. The baseline is 265 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.

Next lesson

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