Bowling ball core · SWAG

SWAG APX V1 Core

Symmetric SWAG core

A symmetric core with mid-lane rev-up and medium flare, built for medium to heavy oil. 2 of the 2 balls with this core are in stock at BowlersMart.

  • Symmetric
  • RG 2.500
  • Diff 0.042
SWAG APX V1 symmetric core shape inside the ball

Specs

RG AT 15 LB

2.500

Mid-lane rev-up

Revs soonerRevs later

40% of the reactive and urethane balls we stock have a lower RG.

DIFFERENTIAL AT 15 LB

0.042

Medium flare

Less flareMore flare

36% 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 APX V1 Core specs by ball weight (reference ball: SWAG APEX Pearl)
Weight RG DifferentialDiff Mass biasMB
16 lb 2.460 0.046 None
15 lbUsed on this page 2.500 0.042 None
14 lb 2.530 0.038 None
13 lb 2.580 0.036 None
12 lb 2.580 0.015 None
11 lb 2.650 0.017 None
10 lb 2.720 0.016 None

Source: SWAG published specs, as listed on the SWAG APEX 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 APX V1 Core

2 of the 2 balls with the SWAG APX V1 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.

SWAG APEX Solid Bowling Ball

SWAG APEX Solid

SWAG APEX Solid Reactive

Medium to heavy oil

Sale price $149.95 Regular price $249.95In stock

Pearl covers

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

SWAG APEX Pearl Bowling Ball

SWAG APEX Pearl

SWAG Apex Pearl Reactive

Medium to heavy oil

Sale price $149.95 Regular price $249.95In stock

Shop the 2 available balls with this core

Where the SWAG APX V1 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 0.028Track 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 Excel Core, RG 2.550, diff 0.030Motiv Detonator Core, RG 2.470, diff 0.055Storm Solarion A.I. Core, RG 2.480, diff 0.054SWAG Insanity Symmetric Core, RG 2.520, diff 0.034SWAG Fusion Core, RG 2.540, diff 0.036SWAG 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 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 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 A.I. Core, RG 2.470, diff 0.055900 Global Strobe A.I. Core, RG 2.510, diff 0.052Track 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 0.050Hammer 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 2.480, diff 0.040Brunswick Light Bulb Core, RG 2.524, diff 0.030Radical Sneak Attack Core, RG 2.544, diff 0.036Motiv 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 0.048Radical 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 0.049Track 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 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 0.050Motiv Halogen Core, RG 2.550, diff 0.037Storm 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 0.022Roto Grip Hyped UP Core (pictured: Roto Grip hyped UP! Bowling Ball)1Hammer Vibe Core (pictured: Hammer Arctic Vibe Bowling Ball)2Motiv Hadron Dual Density Core (pictured: Motiv Nebula Bowling Ball)3DV8 Renegade Core (pictured: DV8 Outsider Bowling Ball)4Radical Guru Core (pictured: Radical Guru Oracle Pearl Bowling Ball)5DV8 Dualistic Core (pictured: DV8 Double Trouble Bowling Ball)6SWAG APX V1 Core (pictured: SWAG APEX Solid 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 APX V1 Core
Core Brand Shape RG Diff vs this core
Roto Grip hyped UP! Bowling Ball1Roto Grip Hyped UP CorePictured: Roto Grip hyped UP!
 Roto Grip Symmetric 2.500 0.042 Same RG and differential
Hammer Arctic Vibe Bowling Ball2Hammer Vibe CorePictured: Hammer Arctic Vibe
 Hammer Symmetric 2.510 0.042 RG +0.010 · Diff 0.000
Motiv Nebula Bowling Ball3Motiv Hadron Dual Density CorePictured: Motiv Nebula
 Motiv Symmetric 2.500 0.045 RG 0.000 · Diff +0.003
DV8 Outsider Bowling Ball4DV8 Renegade CorePictured: DV8 Outsider
 DV8 Asymmetric 2.499 0.040 RG −0.001 · Diff −0.002
Radical Guru Oracle Pearl Bowling Ball5Radical Guru CorePictured: Radical Guru Oracle Pearl
 Radical Asymmetric 2.503 0.044 RG +0.003 · Diff +0.002
DV8 Double Trouble Bowling Ball6DV8 Dualistic CorePictured: DV8 Double Trouble
 DV8 Symmetric 2.496 0.045 RG −0.004 · Diff +0.003

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 APX V1 Core2 of the 2 balls with the SWAG APX V1 Core are in stock at BowlersMart. Same core, different covers: pick the cover for the lanes you bowl on.Solid coversSolid covers grip the lane soonest and suit heavier oil.

From SWAG’s description

Questions bowlers ask

What is the RG of the SWAG APX V1 Core?

At 15 lb the SWAG APX V1 Core has an RG of 2.500. It ranges from 2.460 to 2.720 across the listed weights.

What is the 14 lb RG of the SWAG APX V1 Core?

At 14 lb the RG is 2.530.

What is the differential of the SWAG APX V1 Core?

At 15 lb the differential is 0.042. This is a symmetric core, so mass bias is not applicable.

Which bowling balls use the SWAG APX V1 Core?

SWAG APEX Solid Bowling Ball, SWAG APEX Pearl Bowling Ball. 2 are in stock now.

How do the SWAG APX V1 Core specs change by weight?

At 16 lb: RG 2.460, differential 0.046. At 12 lb: RG 2.580, differential 0.015.

How does the SWAG APX V1 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 APEX 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

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