Bowling ball core · SWAG

SWAG Fusion Core

The core inside the SWAG Fusion line

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

  • Symmetric
  • RG 2.540
  • Diff 0.036
SWAG Fusion symmetric core shape inside the ball

Specs

RG AT 15 LB

2.540

Later rev-up, more length

Revs soonerRevs later

81% of the reactive and urethane balls we stock have a lower RG.

DIFFERENTIAL AT 15 LB

0.036

Low flare

Less flareMore flare

22% 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.
SWAG Fusion Core specs by ball weight (reference ball: SWAG Fusion Pearl)
Weight RG DifferentialDiff Mass biasMB
16 lb 2.490 0.047 None
15 lbUsed on this page 2.540 0.036 None
14 lb 2.570 0.038 None
13 lb 2.580 0.043 None

Source: SWAG published specs, as listed on the SWAG Fusion Pearl product page. 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 SWAG Fusion Core

3 of the 3 balls with the SWAG Fusion Core are in stock at BowlersMart. Same core, different covers: pick the cover for the lanes you bowl on.

Hybrid covers

Hybrid covers mix solid grip with pearl length.

SWAG Fusion Hybrid Bowling Ball

SWAG Fusion Hybrid

SWAG Xplode Hybrid Reactive

Medium to heavy oil

Sale price $139.95 Regular price $239.95In stock

Pearl covers

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

SWAG Fusion Pearl Bowling Ball

SWAG Fusion Pearl

SWAG Xplode Pearl AP26

Medium oil

Sale price $139.95 Regular price $229.95In stock

Reactive covers

Reactive covers whose finish is not listed in our catalog.

SWAG Fusion Bowling Ball

SWAG Fusion

SWAG Xplode Reactive

Medium to heavy oil

Sale price $139.95 Regular price $239.95In stock

Shop the 3 available balls with this core

Where the SWAG Fusion sits

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

Storm Element Tour A.I. Core, RG 2.470, diff 0.035DV8 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 0.055900 Global Conduit A.I. Core, RG 2.590, diff 0.050Roto Grip GEM A.I. Core, RG 2.490, diff 0.057Hammer Obsession Tour Core, RG 2.469, diff 0.034Hammer Super Offset Core, RG 2.524, diff 0.053Hammer Gas Mask Core, RG 2.500, diff 0.058Ebonite Turbo Core, RG 2.517, diff 0.040Ebonite Centrex Symmetrical Mass Bias Core, RG 2.466, diff 0.056Motiv Detonator Core, RG 2.470, diff 0.055Storm Solarion A.I. Core, RG 2.480, diff 0.054SWAG Watcher Symmetric Core, RG 2.510, diff 0.048SWAG Dragon Asymmetric Core, RG 2.490, diff 0.050SWAG Executioner Asymmetric Core, RG 2.500, diff 0.051Motiv Predator V2 Core, RG 2.470, diff 0.054Storm C3 Centripetal Control Core, RG 2.490, diff 0.029Roto 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 2.478, diff 0.037Brunswick Rampart Core, RG 2.502, diff 0.051DV8 Collision Core, RG 2.462, diff 0.052Track MC2 Asym Core, RG 2.473, diff 0.046Radical Evil Eye Symmetric Core, RG 2.495, diff 0.046Ebonite Iron Fist V2 Core, RG 2.473, diff 0.053Radical No Doubt Symmetric Core, RG 2.485, 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 0.051Motiv Sigma Core, RG 2.470, diff 0.047Roto Grip Hustle Core, RG 2.530, diff 0.030900 Global Blast A.I. Core, RG 2.470, diff 0.055900 Global Strobe A.I. Core, RG 2.510, diff 0.052Radical Guru Core, RG 2.503, diff 0.044Track I-CORE 3.0, RG 2.486, diff 0.056DV8 Unholy Core, RG 2.504, diff 0.051Brunswick Infinity Core, RG 2.521, diff 0.051Storm Catalyst A.I. Core, RG 2.480, diff 0.053Hammer Gauntlet Core, RG 2.501, diff 0.050Storm Atmos A.I. Core, RG 2.530, diff 0.042Storm Booster Core, RG 2.540, diff 0.046Track Shuttle Core, RG 2.480, diff 0.040Brunswick Light Bulb Core, RG 2.524, diff 0.030Motiv Gear Core, RG 2.480, diff 0.034Hammer Huntsman Core, RG 2.470, diff 0.050Hammer Super LED Core, RG 2.632, diff 0.034Ebonite Enhanced V2 Core, RG 2.480, diff 0.048DV8 Dualistic Core, RG 2.496, diff 0.045Radical Vexed Asymmetric Core, RG 2.498, diff 0.036Motiv Quadfire Core, RG 2.550, diff 0.043Track Stealth Core, RG 2.482, diff 0.056Brunswick Tiered Hexagon Core, RG 2.540, diff 0.045Columbia 300 Piranha Core, RG 2.554, diff 0.043Storm Torsion A.I. Core, RG 2.470, diff 0.050Storm Element Max A.I. Core, RG 2.470, diff 0.055Storm Radius Core, RG 2.610, diff 0.020Roto Grip Rondure Tour X Core, RG 2.480, diff 0.034SWAG 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 0.052Motiv Overload Core, 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 Core, RG 2.499, 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 Modified LED 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 2.496, diff 0.047Brunswick Zone Asymmetric Core, RG 2.478, diff 0.048Ebonite Entity Core, RG 2.515, diff 0.052Roto Grip Rocker A.I. Core, RG 2.480, diff 0.050Motiv Flux Core, RG 2.570, diff 0.015DV8 Mantra Core, RG 2.498, diff 0.047Hammer Gas Mask Low Diff Core, RG 2.500, diff 0.034Roto Grip RST A.I. Core, RG 2.520, diff 0.055Motiv Impulse V2 Core, RG 2.550, diff 0.050SWAG APX V1 Core, RG 2.500, diff 0.042SWAG Judge Core, RG 2.490, diff 0.052900 Global Magna A.I. Core, RG 2.490, diff 0.044Columbia 300 Pulse PowerCOR Core, RG 2.468, diff 0.045KR Strikeforce Launch Core, RG 2.530, diff 0.047900 Global Ellipse Asymmetric A.I. Core, RG 2.480, diff 0.050Storm C3 A.I. Core, RG 2.480, diff 0.031Motiv Gear APG Core, RG 2.470, diff 0.036Radical Snapshot Symmetric Core, RG 2.523, 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 0.022Radical Sneak Attack Core (pictured: Radical Revenge Solid Bowling Ball)1Hammer Raw Hammer Core (pictured: Hammer Raw Hammer Pearl Blue Silver White Bowling Ball)2Motiv Halogen Core (pictured: Motiv Max Thrill Hybrid Bowling Ball)3Brunswick Fury Core (pictured: Brunswick Fury Emerald Black Bowling Ball)4SWAG Insanity Symmetric Core (pictured: SWAG Insanity Pearl Bowling Ball)5Motiv Excel Core (pictured: Motiv Frenzy Blue Teal Pearl Bowling Ball)6SWAG Fusion Core (pictured: SWAG Fusion 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.

This core 1 Nearest cores Other cores

Nearest cores to the SWAG Fusion Core
Core Brand Shape RG Diff vs this core
Radical Revenge Solid Bowling Ball1Radical Sneak Attack CorePictured: Radical Revenge Solid
 Radical Symmetric 2.544 0.036 RG +0.004 · Diff 0.000
Hammer Raw Hammer Pearl Blue Silver White Bowling Ball2Hammer Raw Hammer CorePictured: Hammer Raw Hammer Pearl Blue Silver White
 Hammer Symmetric 2.537 0.038 RG −0.003 · Diff +0.002
Motiv Max Thrill Hybrid Bowling Ball3Motiv Halogen CorePictured: Motiv Max Thrill Hybrid
 Motiv Symmetric 2.550 0.037 RG +0.010 · Diff +0.001
Brunswick Fury Emerald Black Bowling Ball4Brunswick Fury CorePictured: Brunswick Fury Emerald Black
 Brunswick Symmetric 2.524 0.038 RG −0.016 · Diff +0.002
SWAG Insanity Pearl Bowling Ball5SWAG Insanity Symmetric CorePictured: SWAG Insanity Pearl
 SWAG Symmetric 2.520 0.034 RG −0.020 · Diff −0.002
Motiv Frenzy Blue Teal Pearl Bowling Ball6Motiv Excel CorePictured: Motiv Frenzy Blue Teal Pearl
 Motiv Symmetric 2.550 0.030 RG +0.010 · Diff −0.006

Matches use 15 lb RG and differential.

Drilling and tools

Drilling layoutsLayout guides for symmetric and asymmetric ballsDual angle converterTurn a pin to PAP layout into a dual angle layout

Turn on JavaScript to compare with your ball.Balls with the SWAG Fusion Core3 of the 3 balls with the SWAG Fusion Core are in stock at BowlersMart. Same core, different covers: pick the cover for the lanes you bowl on.Hybrid coversHybrid covers mix solid grip with pearl length.

From SWAG’s description

Questions bowlers ask

What is the RG of the SWAG Fusion Core?

At 15 lb the SWAG Fusion Core has an RG of 2.540. It ranges from 2.490 to 2.580 across the listed weights.

What is the 14 lb RG of the SWAG Fusion Core?

At 14 lb the RG is 2.570.

What is the differential of the SWAG Fusion Core?

At 15 lb the differential is 0.036. This is a symmetric core, so mass bias is not applicable.

Which bowling balls use the SWAG Fusion Core?

SWAG Fusion Pearl Bowling Ball, SWAG Fusion Bowling Ball, SWAG Fusion Hybrid Bowling Ball. 3 are in stock now.

How do the SWAG Fusion Core specs change by weight?

At 16 lb: RG 2.490, differential 0.047. The 12 lb values are not listed.

How does the SWAG Fusion 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. SWAG published specs, as listed on the SWAG Fusion Pearl product page, 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.

Next lesson

Compare cores by RGEvery in-stock ball from lowest to highest RGCompare cores by differentialEvery in-stock ball from lowest to highest differentialAll bowling ball coresCore libraries for every brand we carrySWAG core libraryEvery SWAG core we have specs for