GLOBAL ALLIANCE™ Bowling Ball by Roto Grip

GLOBAL ALLIANCE™, Bowling Ball

GLOBAL ALLIANCE™, Bowling Ball by Roto Grip CAD Render of Ball Core

Intent

Roto Grip's Royal™ Line has been known to bring you some serious strength. From the Kingdom™ to the powerful Domain™, if you're looking for a premium ball with top-notch performance, look no further.

While other balls in the Royal line like the Kingdom and Domain both offer a mild asymmetrical core using the C.A.M. ™ design; the next ball in the Alliance™ series will utilize the popular Pinnacle™ core which has a faster spin time and stronger mass bias.

Looking at the stats you'll see a medium RG and high ratio of mass bias to total differential (20/47). This produces a highly angular move at the break point, but we need to consider the coverstock as well.

The original Armor™ coverstock on the Alliance™ and Alliance Tour™ helped create friction through the oil while the pearl and hybrid aimed to expand on the break point dominance. The Global Alliance will now focus more on mid-lane reaction.

Design

At Roto Grip we pride ourselves in providing a complete line of bowling balls that have both value and performance.

With a medium-low RG (2.54) and a high mass bias differential (.020), the Pinnacle core utilized in the Alliance series is in a class of its own. And while the core shape and selection is important to ball motion, especially at the break point, you know that the coverstock is paramount!

That's why we selected the Armor shell for its enhanced peaks and valleys of the coverstock - also known as 'surface roughness' or Ra. Those bowling on heavier volumes that need more friction on oil will like the solid version of this coverstock. Take out the MICA (pearl) and the ball slows down faster enhancing motion through the mid-lane.

Even though it comes with 1500-grit factory polish, the Global Alliance can be adjusted to suit your particular needs. If you're more of a stroker, you'll like the out of the box finish. Players with higher speeds may want to grab an Abralon® pad to break the surface.

**GLOBAL ALLIANCE™** Ball Facts
Coverstock	Armor™ Solid Reactive
Weight Block	Pinnacle™
Ball Color	Purple/Royal Blue/Violet
Ball Finish	1500 Polished
Durometer	73-75 Rex D-scale
Flare Potential	7+ inches (High)
Weights	10 - 16 lbs.
SKU#	BBMRAG