True Motion™


The True Motion combines our retro True Urethane coverstock with our Magnitude 035 Low Diff symmetrical core to create a True Urethane motion from the past.
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Spec Table
Spec Label Spec Value
Level Advanced
Part Number 60-105987-93X
Color Black Solid
Core Magnitude 035 Low Diff
Coverstock True Urethane
Cover Type Urethane
Finish 500 and 1,000 Siaair Micro Pad
Weights 12-16 lbs.
Hook 90
Length 80
RG 2.521 (15 lb.)
DIFF 0.035 (15 lb.)
Warranty One year from purchase date
Advanced Control 35 Performance Index-0

Performance Index

Performance features with a wide range of reactions for bowlers of all skill levels.

Predictable, typically a smooth ball motion throughout the lane. Balls with higher numbers will have more overall reaction.

The higher the number the stronger the reaction shape – with 1 being the least and 100 the most.

Learn more about the Performance Index
DynamiCore Logo-0

DynamiCore Technology

The True Motion features Brunswick’s innovative outer core technology called DynamiCore. This industry-leading technology is a more durable outer material that yields less compression upon impact increasing hitting power and creating an undeniable difference in sound and pin carry.

Learn more about DynamiCore Technology


True Motion Ball Talker


True Motion Info Sheet