Bowling ball core · Track

Track Shuttle Core

The core inside the Track Kinetic line

An asymmetric core with early rev-up and medium flare, built for medium oil. 1 of the 12 balls with this core are in stock at BowlersMart.

  • Asymmetric
  • RG 2.480
  • Diff 0.040
  • MB 0.005
Track Shuttle asymmetric core shape inside the ball

Specs

RG AT 15 LB

2.480

Early rev-up

Revs soonerRevs later

15% of the reactive and urethane balls we stock have a lower RG.

DIFFERENTIAL AT 15 LB

0.040

Medium flare

Less flareMore flare

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

MASS BIAS AT 15 LB

0.005

Mild asymmetry

MilderStronger

0% 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.
Track Shuttle Core specs by ball weight
Weight RG DifferentialDiff Mass biasMB
16 lb 2.493 0.038 0.005
15 lbUsed on this page 2.480 0.040 0.005
14 lb 2.495 0.040 0.005
13 lb 2.589 0.043 Not listed
12 lb 2.612 0.043 Not listed

Source: Track published specs, as shown on BowlersMart’s original Track Shuttle 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.

7 balls on this core list different numbers
  • Track Kinetic Sapphire Ice Bowling Ball: RG 2.480, diff 0.040, mass bias 0.006 at 15 lb
  • Track Kinetic Cobalt Bowling Ball: RG 2.480, diff 0.040, mass bias 0.006 at 15 lb
  • Track HX05 Bowling Ball: RG 2.490, diff 0.038, mass bias Not listed at 15 lb
  • Track LX05 Bowling Ball: RG 2.490, diff 0.038, mass bias Not listed at 15 lb
  • Track 505c2 Classic Bowling Ball: RG 2.490, diff 0.038, mass bias Not listed at 15 lb
  • Track Kinetic Platinum Bowling Ball: RG 2.480, diff 0.040, mass bias 0.006 at 15 lb

and 1 more

Balls with the Track Shuttle Core

1 of the 12 balls with the Track Shuttle Core are in stock at BowlersMart. Same core, different covers: pick the cover for the lanes you bowl on.

Track Kinetic Sapphire Ice Bowling Ball

Track Kinetic Sapphire Ice

Track Prime Response Pearl Reactive

Medium to heavy oil

Sale price $144.95 Regular price $249.95In stock
Show 11 balls no longer available at BowlersMart
More bowling balls with the Track Shuttle Core
Ball Cover First seen
Track Kinetic Cobalt Bowling Ball Track QR-7 Hybrid Reactive March 2023
Track HX05 Bowling Ball Track DR-4 Pearl Reactive January 2014
Track LX05 Bowling Ball Track QR-4 Hybrid Reactive June 2014
Track MX05 Bowling Ball Track MR-4 Pearl Pearl Reactive January 2015
Track Kinetic Emerald Bowling Ball Track DR-6 Hybrid Reactive January 2017
Track Kinetic Ruby Bowling Ball Track QR-6 Solid Reactive June 2017
Track Kinetic Amethyst Bowling Ball Track QR-6 Pearl Reactive June 2018
Track Kinetic Obsidian Bowling Ball Track DR-7 Solid Reactive October 2019
Track 505c2 Classic Bowling Ball Track Gen MC Solid Reactive January 2020
Track Kinetic Platinum Bowling Ball Track DR-7 Pearl Reactive February 2021
Track Kinetic Black Ice Bowling Ball Track QR-7 Pearl Reactive March 2022

Shop the 1 available balls with this core

Where the Track Shuttle 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 Vibe Core, RG 2.510, diff 0.042Hammer Aftermath Core, RG 2.520, diff 0.052Brunswick 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 0.051Brunswick 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 0.046Brunswick 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 0.052Motiv Overload Core, RG 2.480, diff 0.050Hammer 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 0.052Columbia 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 0.031Radical Snapshot Symmetric Core, RG 2.523, diff 0.050Hammer High Rev Offset Core, RG 2.489, diff 0.053Hammer LED Core, RG 2.650, diff 0.015Storm Inverted Fe2 Core, RG 2.570, diff 0.046Storm Capacitor Core, RG 2.570, diff 0.022Brunswick Alert Core (pictured: Brunswick Alert Bowling Ball)1DV8 Duality Core (pictured: DV8 Dark Side Curse Bowling Ball)2Hammer Huntsman Tour Core (pictured: Hammer Effect Tour Bowling Ball)3Motiv Gear APG Core (pictured: Motiv Black Venom Bowling Ball)4900 Global Magna A.I. Core (pictured: 900 Global Cove Bowling Ball)5DV8 Renegade Core (pictured: DV8 Outsider Bowling Ball)6Track Shuttle Core (pictured: Track Kinetic Sapphire Ice 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 Track Shuttle Core
Core Brand Shape RG Diff vs this core
Brunswick Alert Bowling Ball1Brunswick Alert CorePictured: Brunswick Alert
 Brunswick Symmetric 2.478 0.037 RG −0.002 · Diff −0.003
DV8 Dark Side Curse Bowling Ball2DV8 Duality CorePictured: DV8 Dark Side Curse
 DV8 Symmetric 2.480 0.036 RG 0.000 · Diff −0.004
Hammer Effect Tour Bowling Ball3Hammer Huntsman Tour CorePictured: Hammer Effect Tour
 Hammer Asymmetric 2.472 0.036 RG −0.008 · Diff −0.004
Motiv Black Venom Bowling Ball4Motiv Gear APG CorePictured: Motiv Black Venom
 Motiv Asymmetric 2.470 0.036 RG −0.010 · Diff −0.004
900 Global Cove Bowling Ball5900 Global Magna A.I. CorePictured: 900 Global Cove
 900 Global Symmetric 2.490 0.044 RG +0.010 · Diff +0.004
DV8 Outsider Bowling Ball6DV8 Renegade CorePictured: DV8 Outsider
 DV8 Asymmetric 2.499 0.040 RG +0.019 · Diff 0.000

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 Track Shuttle Core1 of the 12 balls with the Track Shuttle Core are in stock at BowlersMart. Same core, different covers: pick the cover for the lanes you bowl on.

From Track’s description

Questions bowlers ask

What is the RG of the Track Shuttle Core?

At 15 lb the Track Shuttle Core has an RG of 2.480. It ranges from 2.480 to 2.612 across the listed weights.

What is the 14 lb RG of the Track Shuttle Core?

At 14 lb the RG is 2.495.

What is the differential of the Track Shuttle Core?

At 15 lb the differential is 0.040. The mass bias is 0.005.

Which bowling balls use the Track Shuttle Core?

Track Kinetic Sapphire Ice Bowling Ball, Track Kinetic Cobalt Bowling Ball, Track HX05 Bowling Ball, Track LX05 Bowling Ball, Track MX05 Bowling Ball. 1 are in stock now.

How do the Track Shuttle Core specs change by weight?

At 16 lb: RG 2.493, differential 0.038, mass bias 0.005. At 12 lb: RG 2.612, differential 0.043, mass bias Not listed.

How does the Track Shuttle 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. Track published specs, as shown on BowlersMart’s original Track Shuttle 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.

Next lesson

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