Bowling ball core · Motiv
Motiv Overload Core
The core inside the Motiv Evoke line
An asymmetric core with early rev-up and medium flare, built for heavy oil. 2 of the 3 balls with this core are in stock at BowlersMart.
- Asymmetric
- RG 2.480
- Diff 0.050
- MB 0.015

Specs
RG AT 15 LB
2.480
Early rev-up
15% of the reactive and urethane balls we stock have a lower RG.
DIFFERENTIAL AT 15 LB
0.050
Medium flare
62% of the reactive and urethane balls we stock have a lower differential.
MASS BIAS AT 15 LB
0.015
Mild asymmetry
24% of the asymmetric reactive and urethane balls we stock have a lower mass bias.
| Weight | RG | DifferentialDiff | Mass biasMB |
|---|---|---|---|
| 16 lb | 2.480 | 0.045 | 0.015 |
| 15 lbUsed on this page | 2.480 | 0.050 | 0.015 |
| 14 lb | 2.510 | 0.045 | 0.015 |
| 13 lb | 2.570 | 0.035 | 0.012 |
| 12 lb | 2.640 | 0.025 | 0.008 |
Source: Motiv published specs, as listed on the Evoke Mayhem 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 Motiv Overload Core
2 of the 3 balls with the Motiv Overload Core are in stock at BowlersMart. Same core, different covers: pick the cover for the lanes you bowl on.
Pearl covers
Pearl covers go longer and turn harder at the end, best on medium oil.

Motiv Propulsion MXV Pearl Reactive
Heavy oil
Reactive covers
Reactive covers whose finish is not listed in our catalog.

Motiv Propulsion MXV Reactive
Medium to heavy oil
Show 1 ball no longer available at BowlersMart
| Ball | Cover | First seen |
|---|---|---|
| Motiv Evoke Bowling Ball | Motiv Leverage MXC | February 2024 |
Where the Motiv Overload 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 |
|---|---|---|---|---|---|
|
|
900 Global | Asymmetric | 2.480 | 0.050 | Same RG and differential |
|
|
Roto Grip | Symmetric | 2.480 | 0.050 | Same RG and differential |
|
|
Storm | Symmetric | 2.480 | 0.051 | RG 0.000 · Diff +0.001 |
|
|
Radical | Asymmetric | 2.480 | 0.052 | RG 0.000 · Diff +0.002 |
|
|
Radical | Symmetric | 2.485 | 0.051 | RG +0.005 · Diff +0.001 |
|
|
Ebonite | Symmetric | 2.480 | 0.048 | 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 Motiv Overload Core2 of the 3 balls with the Motiv Overload Core are in stock at BowlersMart. Same core, different covers: pick the cover for the lanes you bowl on.Pearl coversPearl covers go longer and turn harder at the end, best on medium oil.
Questions bowlers ask
What is the RG of the Motiv Overload Core?
At 15 lb the Motiv Overload Core has an RG of 2.480. It ranges from 2.480 to 2.640 across the listed weights.
What is the 14 lb RG of the Motiv Overload Core?
At 14 lb the RG is 2.510.
What is the differential of the Motiv Overload Core?
At 15 lb the differential is 0.050. The mass bias is 0.015.
Which bowling balls use the Motiv Overload Core?
Motiv Evoke Mayhem Bowling Ball, Motiv Evoke Hysteria Bowling Ball, Motiv Evoke Bowling Ball. 2 are in stock now.
How do the Motiv Overload Core specs change by weight?
At 16 lb: RG 2.480, differential 0.045, mass bias 0.015. At 12 lb: RG 2.640, differential 0.025, mass bias 0.008.
How does the Motiv Overload 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 listed on the Evoke Mayhem 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.


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