Bowling ball core · Motiv
Motiv Thrust Core
Symmetric Motiv core
A symmetric core with later rev-up, more length and high flare, built for medium to heavy oil. Balls with this core are no longer available at BowlersMart.
- Symmetric
- RG 2.540
- Diff 0.052

Specs
RG AT 15 LB
2.540
Later rev-up, more length
82% of the reactive and urethane balls we stock have a lower RG.
DIFFERENTIAL AT 15 LB
0.052
High flare
72% 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.
| Weight | RG | DifferentialDiff | Mass biasMB |
|---|---|---|---|
| 16 lb | 2.530 | 0.048 | None |
| 15 lbUsed on this page | 2.540 | 0.052 | None |
| 14 lb | 2.570 | 0.048 | None |
| 13 lb | 2.610 | 0.042 | None |
| 12 lb | 2.660 | 0.031 | None |
Source: Motiv published specs, as shown on BowlersMart’s original Motiv Thrust 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 Motiv Thrust?
Balls with the Motiv Thrust Core are no longer available at BowlersMart. These in-stock balls have the closest RG and differential.

Epic Ignite Solid Red White Black
Epic Fire Solid Reactive
Dry to medium oil


Motiv Coercion HFS (High Friction Solid) Reactive
Medium oil

Hammer HK22 C2 Hybrid Reactive
Medium to heavy oil

Storm A1S Pearl Reactive
Medium oil

Hammer HK22 Cohesion Pearl Reactive
Medium oil
Balls with the Motiv Thrust Core
None of the 4 balls with the Motiv Thrust Core are in stock at BowlersMart right now.
Show 4 balls no longer available at BowlersMart
| Ball | Cover | First seen |
|---|---|---|
| Motiv T10 Bowling Ball | Motiv Coercion MFS (Medium Friction Solid) Reactive | March 2011 |
| Motiv Primal TV4 Bowling Ball | Motiv Vicious Pearl Reactive | March 2012 |
| Motiv TR2 Bowling Ball | Motiv MOTIVat-R Solid Reactive | March 2010 |
| Motiv TX1 Bowling Ball | Motiv MOTIVator-X Solid Reactive | March 2014 |
Where the Motiv Thrust 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.
This core 1 Nearest cores Other cores
| Core | Brand | Shape | RG | Diff | vs this core |
|---|---|---|---|---|---|
|
|
Epic | Symmetric | 2.540 | 0.049 | RG 0.000 · Diff −0.003 |
|
|
Motiv | Symmetric | 2.550 | 0.050 | RG +0.010 · Diff −0.002 |
|
|
Hammer | Asymmetric | 2.550 | 0.051 | RG +0.010 · Diff −0.001 |
|
|
Hammer | Asymmetric | 2.524 | 0.053 | RG −0.016 · Diff +0.001 |
|
|
Hammer | Symmetric | 2.545 | 0.047 | RG +0.005 · Diff −0.005 |
|
|
KR Strikeforce | Symmetric | 2.530 | 0.047 | RG −0.010 · Diff −0.005 |
Matches use 15 lb RG and differential.
Drilling and tools
Versatility and control for the modern environment, the first ball ever introduced by MOTIV was the TX1 and it featured the Thrust core. With a moderately high RG and differential, this core is ideal for creating a benchmark motion that is deliberately smooth with a powerful backend reaction.
Questions bowlers ask
What is the RG of the Motiv Thrust Core?
At 15 lb the Motiv Thrust Core has an RG of 2.540. It ranges from 2.530 to 2.660 across the listed weights.
What is the 14 lb RG of the Motiv Thrust Core?
At 14 lb the RG is 2.570.
What is the differential of the Motiv Thrust Core?
At 15 lb the differential is 0.052. This is a symmetric core, so mass bias is not applicable.
Which bowling balls use the Motiv Thrust Core?
Motiv T10 Bowling Ball, Motiv Primal TV4 Bowling Ball, Motiv TR2 Bowling Ball, Motiv TX1 Bowling Ball. 0 are in stock now.
Can I still buy a ball with the Motiv Thrust Core?
Balls with this core are currently unavailable at BowlersMart. Closest in-stock alternatives by RG and differential include Epic Ignite Solid Red White Black Bowling Ball, Hammer Red Pearl Urethane Asym Overseas Bowling Ball, Motiv Primal Ghost Bowling Ball, Hammer Zero Mercy Hybrid Bowling Ball, Storm Rocket AI Bowling Ball, Hammer Blacklist Bowling Ball.
How do the Motiv Thrust Core specs change by weight?
At 16 lb: RG 2.530, differential 0.048. At 12 lb: RG 2.660, differential 0.031.
How does the Motiv Thrust 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. Motiv published specs, as shown on BowlersMart’s original Motiv Thrust 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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