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ALLIANCE TOUR™, Bowling Ball

International Balls

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

The coalition of dominance continues with the introduction of the Alliance Tour™. The synergy of power and performance reigns supreme with this latest weapon. The quick revving highly asymmetrical Pinnacle™ core design has proven to be the ultimate driving force from the release to impact. The newly engineered Armor™ hybrid reactive is a unique blend of pearl and solid reactive coverstock, creating the perfect combination of friction through the oil along with supreme angularity on the backend. Join the Alliance and strike out for total domination!

ALLIANCE TOUR™ Ball Facts
Coverstock Armor™ Hybrid Reactive 
Weight Block Pinnacle™
Ball ColorRed/Copper Pearl/Black
Ball Finish4000 abralon
Durometer 73-75 Rex D-scale
Flare Potential 7+ inches (High)
Weights 10 - 16 lbs.
SKU# BBMRAT
ALLIANCE TOUR™ Ball Dynamics
Ball WeightRadius of GyrationDifferentialMass Bias Diff.
16# 2.50 0.045 0.018
15# 2.54 0.047 0.020
14# 2.57 0.050 0.021
13# 2.60 0.032 0.011
12# 2.60 0.032 0.007
Drill Specifications
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