Bowling ball core · SWAG

SWAG Dragon Asymmetric Core

The core inside the SWAG Black Dragon line

An asymmetric core with early rev-up and medium flare, built for medium to heavy oil. 3 of the 3 balls with this core are in stock at BowlersMart.

  • Asymmetric
  • RG 2.490
  • Diff 0.050
  • MB 0.017
SWAG Dragon asymmetric core shape inside the ball

Specs

RG AT 15 LB

2.490

Early rev-up

Revs soonerRevs later

32% of the reactive and urethane balls we stock have a lower RG.

DIFFERENTIAL AT 15 LB

0.050

Medium flare

Less flareMore flare

62% of the reactive and urethane balls we stock have a lower differential.

MASS BIAS AT 15 LB

0.017

Medium asymmetry

MilderStronger

54% of the asymmetric reactive and urethane balls we stock have a lower mass bias.

RG How soon the ball revs up.Differential How much the ball can flare.Mass bias How asymmetric the core is.
SWAG Dragon Asymmetric Core specs by ball weight (reference ball: SWAG Black Dragon Hybrid)
Weight RG DifferentialDiff Mass biasMB
16 lb 2.480 0.051 0.018
15 lbUsed on this page 2.490 0.050 0.017
14 lb 2.530 0.051 0.016
13 lb 2.550 0.043 0.013
12 lb 2.650 0.025 Not listed

Source: SWAG published specs, as listed on the SWAG Black Dragon Hybrid 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.

2 balls on this core list different numbers
  • SWAG Black Dragon Bowling Ball: RG 2.480, diff 0.054, mass bias 0.018 at 15 lb
  • SWAG Black Dragon Pearl Bowling Ball: RG 2.480, diff 0.054, mass bias 0.018 at 15 lb

Balls with the SWAG Dragon Asymmetric Core

3 of the 3 balls with the SWAG Dragon Asymmetric 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 Black Dragon Hybrid Bowling Ball

SWAG Black Dragon Hybrid

SWAG Scorch Hybrid AP26

Heavy oil, medium to heavy oil

Sale price $159.95 Regular price $259.95In stock

Pearl covers

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

SWAG Black Dragon Pearl Bowling Ball

SWAG Black Dragon Pearl

SWAG Scorch Pearl Reactive

Medium to heavy oil

Sale price $159.95 Regular price $259.95In stock

Reactive covers

Reactive covers whose finish is not listed in our catalog.

SWAG Black Dragon Bowling Ball

SWAG Black Dragon

SWAG Scorch Reactive

Medium to heavy oil

Sale price $159.95 Regular price $259.95In stock

Shop the 3 available balls with this core

Where the SWAG Dragon Asymmetric 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 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 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 0.053Storm 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 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 0.050Hammer 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 0.048DV8 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 0.052DV8 Duality Core, RG 2.480, diff 0.036Hammer Spheroid Core, RG 2.480, diff 0.048Motiv 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 0.042900 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 0.047Motiv 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 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 0.022SWAG Judge Core (pictured: SWAG Judge Bowling Ball)1Radical No Doubt Symmetric Core (pictured: Radical No Doubt Hybrid Bowling Ball)2Radical Outer Limits Asymmetric Core (pictured: Radical Outer Limits Black Hole Bowling Ball)3900 Global Ellipse Asymmetric A.I. Core (pictured: 900 Global Origin EX Bowling Ball)4Motiv Overload Core (pictured: Motiv Evoke Hysteria Bowling Ball)5Hammer High Rev Offset Core (pictured: Hammer 3-D Offset Assault Bowling Ball)6SWAG Dragon Asymmetric Core (pictured: SWAG Black Dragon 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 Dragon Asymmetric Core
Core Brand Shape RG Diff vs this core
SWAG Judge Bowling Ball1SWAG Judge CorePictured: SWAG Judge
 SWAG Asymmetric 2.490 0.052 RG 0.000 · Diff +0.002
Radical No Doubt Hybrid Bowling Ball2Radical No Doubt Symmetric CorePictured: Radical No Doubt Hybrid
 Radical Symmetric 2.485 0.051 RG −0.005 · Diff +0.001
Radical Outer Limits Black Hole Bowling Ball3Radical Outer Limits Asymmetric CorePictured: Radical Outer Limits Black Hole
 Radical Asymmetric 2.499 0.051 RG +0.009 · Diff +0.001
900 Global Origin EX Bowling Ball4900 Global Ellipse Asymmetric A.I. CorePictured: 900 Global Origin EX
 900 Global Asymmetric 2.480 0.050 RG −0.010 · Diff 0.000
Motiv Evoke Hysteria Bowling Ball5Motiv Overload CorePictured: Motiv Evoke Hysteria
 Motiv Asymmetric 2.480 0.050 RG −0.010 · Diff 0.000
Hammer 3-D Offset Assault Bowling Ball6Hammer High Rev Offset CorePictured: Hammer 3-D Offset Assault
 Hammer Asymmetric 2.489 0.053 RG −0.001 · 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 Dragon Asymmetric Core3 of the 3 balls with the SWAG Dragon Asymmetric 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 Dragon Asymmetric Core?

At 15 lb the SWAG Dragon Asymmetric Core has an RG of 2.490. It ranges from 2.480 to 2.650 across the listed weights.

What is the 14 lb RG of the SWAG Dragon Asymmetric Core?

At 14 lb the RG is 2.530.

What is the differential of the SWAG Dragon Asymmetric Core?

At 15 lb the differential is 0.050. The mass bias is 0.017.

Which bowling balls use the SWAG Dragon Asymmetric Core?

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

How do the SWAG Dragon Asymmetric Core specs change by weight?

At 16 lb: RG 2.480, differential 0.051, mass bias 0.018. At 12 lb: RG 2.650, differential 0.025, mass bias Not listed.

How does the SWAG Dragon Asymmetric 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 Black Dragon Hybrid 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