Bowling ball core · 900 Global
900 Global Adaptor/D Core
The core inside the 900 Global Inception line
An asymmetric core with early rev-up and high flare, built for medium to heavy oil. Balls with this core are no longer available at BowlersMart.
- Asymmetric
- RG 2.480
- Diff 0.055
- MB 0.024
Specs
RG AT 15 LB
2.480
Early rev-up
16% of the reactive and urethane balls we stock have a lower RG.
DIFFERENTIAL AT 15 LB
0.055
High flare
88% of the reactive and urethane balls we stock have a lower differential.
MASS BIAS AT 15 LB
0.024
Strong asymmetry
96% of the asymmetric reactive and urethane balls we stock have a lower mass bias.
| Weight | RG | DifferentialDiff | Mass biasMB |
|---|---|---|---|
| 16 lb | 2.480 | 0.055 | 0.024 |
| 15 lbUsed on this page | 2.480 | 0.055 | 0.024 |
| 14 lb | 2.510 | 0.055 | 0.020 |
Source: 900 Global published specs, as shown on BowlersMart’s original 900 Global Adaptor/D 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.
Looking for a ball like your Inception?
Balls with the 900 Global Adaptor/D Core are no longer available at BowlersMart. These in-stock balls have the closest RG and differential.

Motiv Aerial Propulsion Pearl Reactive
Heavy oil

Storm A2S Hybrid Reactive
Medium to heavy oil

Track Prime Response HK22c2 Reactive
Medium to heavy oil

Track Super Response Hybrid HK22C Reactive
Medium to heavy oil

Radical Low Friction Pearl Reactive
Dry to medium oil, medium oil

Columbia HK22 Micro Flex Pearl Reactive
Medium to heavy oil
Balls with the 900 Global Adaptor/D Core
None of the 4 balls with the 900 Global Adaptor/D Core are in stock at BowlersMart right now.
Show 4 balls no longer available at BowlersMart
| Ball | Cover | First seen |
|---|---|---|
| 900 Global Inception Bowling Ball | 900 Global S74 Response Solid Reactive | June 2016 |
| 900 Global Inception Pearl Bowling Ball | 900 Global S74 Response Pearl Reactive | October 2016 |
| 900 Global Inception DCT Pearl Bowling Ball | 900 Global S86R Pearl Reactive | January 2018 |
| 900 Global Iron Overseas Bowling Ball | 900 Global S74R Pearl Reactive | November 2025 |
Where the 900 Global Adaptor/D sits
Each dot is a core in balls we stock. Cores close together roll alike; the cover and layout decide the rest.
Navy ring = a ball in your bag. Dashed ring = off this chart, or this same core.
Nearest cores, zoomed in
Navy ring = a ball in your bag. Dashed ring = off this chart, or this same core.
Same family: 900 Global Adaptor/C Core
This core 1 Nearest cores Other cores
| Core | Brand | Shape | RG | Diff | vs this core |
|---|---|---|---|---|---|
|
|
Storm | Asymmetric | 2.480 | 0.054 | RG 0.000 · Diff −0.001 |
|
|
Storm | Asymmetric | 2.480 | 0.054 | RG 0.000 · Diff −0.001 |
|
|
Motiv | Symmetric | 2.480 | 0.055 | Same RG and differential |
|
|
Storm | Asymmetric | 2.480 | 0.053 | RG 0.000 · Diff −0.002 |
|
|
Storm | Asymmetric | 2.480 | 0.053 | RG 0.000 · Diff −0.002 |
|
|
Track | Asymmetric | 2.480 | 0.053 | RG 0.000 · Diff −0.002 |
Matches use 15 lb RG and differential.
Drilling and tools
Turn on JavaScript to compare with your ball.Balls with the 900 Global Adaptor/D CoreNone of the 4 balls with the 900 Global Adaptor/D Core are in stock at BowlersMart right now.Show 4 balls no longer available at BowlersMartMore bowling balls with the 900 Global Adaptor/D CoreBallCoverFirst seen900 Global Inception Bowling Ball900 Global S74 Response Solid ReactiveJune 2016900 Global Inception Pearl Bowling Ball900 Global S74 Response Pearl ReactiveOctober 2016900 Global Inception DCT Pearl Bowling Ball900 Global S86R Pearl ReactiveJanuary 2018900 Global Iron Overseas Bowling Ball900 Global S74R Pearl ReactiveNovember 2025Where the 900 Global Adaptor/D sitsEach dot is a core in balls we stock. Cores close together roll alike; the cover and layout decide the rest.All coresSymmetricAsymmetric900 Global onlyAny brand900 GlobalBrunswickColumbia 300DV8EboniteEpicHammerKR StrikeforceMotivRadicalRoto GripSWAGStormTrack+−ResetZoom to this coreDV8 Larceny Core, RG 2.471, diff 0.028DV8 Renegade Core, RG 2.499, diff 0.040Brunswick 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 0.032900 Global Conduit A.I. Core, RG 2.590, diff 0.050Roto Grip GEM A.I. Core, RG 2.490, diff 0.057Hammer Obsession
Questions bowlers ask
What is the RG of the 900 Global Adaptor/D Core?
At 15 lb the 900 Global Adaptor/D Core has an RG of 2.480. It ranges from 2.480 to 2.510 across the listed weights.
What is the 14 lb RG of the 900 Global Adaptor/D Core?
At 14 lb the RG is 2.510.
What is the differential of the 900 Global Adaptor/D Core?
At 15 lb the differential is 0.055. The mass bias is 0.024.
Which bowling balls use the 900 Global Adaptor/D Core?
900 Global Inception Bowling Ball, 900 Global Inception Pearl Bowling Ball, 900 Global Inception DCT Pearl Bowling Ball, 900 Global Iron Overseas Bowling Ball. 0 are in stock now.
Can I still buy a ball with the 900 Global Adaptor/D Core?
Balls with this core are currently unavailable at BowlersMart. Closest in-stock alternatives by RG and differential include Motiv Raptor Pursuit Bowling Ball, Storm Equinox Hybrid Bowling Ball, Track Paragon Fire Bowling Ball, Track Stealth Mode Hybrid Bowling Ball, Radical Torpedo Direct Hit Bowling Ball, Columbia 300 Ricochet Pearl Bowling Ball.
How do the 900 Global Adaptor/D Core specs change by weight?
At 16 lb: RG 2.480, differential 0.055, mass bias 0.024. The 12 lb values are not listed.
How does the 900 Global Adaptor/D 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. 900 Global published specs, as shown on BowlersMart’s original 900 Global Adaptor/D 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.


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