Motiv Sigma Tour Pearl
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- Some sequels are worth the wait
- Fast revving and clean through the fronts
- Explosive down lane without becoming uncontrollable
Motiv Sigma Tour Pearl
Motiv Sigma Tour Pearl
The MOTIV Sigma Tour Pearl brings back a legendary name with performance built for today’s lane conditions. Designed to fit perfectly between a benchmark ball and a stronger angular pearl, the Sigma Tour Pearl offers easy length through the front of the lane, a quick-revving motion, and a powerful yet controllable backend reaction.
At its core is the proven Sigma™ design, featuring a low 2.47 RG and .047 differential that create a strong mid-lane read with ample flare. This versatile engine provides more overall motion than the Venom line while remaining smoother and more manageable than the stronger Evoke series.
Wrapped around the core is the new Atomic Propulsion™ Pearl Reactive coverstock, the latest evolution in MOTIV’s highly successful Propulsion family. Atomic Propulsion delivers increased traction in oil compared to the Nebula’s Dark Matter Propulsion cover while producing a sharper down-lane move than the Propulsion MXV covers found on the Evoke Hysteria and Venom Hysteria. The result is a clean, angular shape that allows bowlers to stay aggressive without sacrificing control.
The Sigma Tour Pearl combines proven technology with modern performance, creating a versatile and reliable option for competitive bowlers looking for strong continuation, easy length, and a dynamic finish.
Details & Specs
All colors do vary somewhat from the picture shown
A few tiny pit holes in the cover stock of the ball are normal

















