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Roto Grip Mutant Cell Reviewed By: Brian Halstrom 10/19/2009 07:25 ( stars)

29 of 29 people found this review helpful.

About the Bowler
Bowling Hand    Right Handed
Experience    Advanced (I have bowled in a league)
League Average    233
Ball Speed    Medium
Style    Cranker
PAP    4 1/2" x 1/2" Up
Brian Halstrom Roto Grip Mutant Cell Bowling Ball

Pin to PAP(4 1/2" over 1/2" up) - 5"
Mass Bias from PAP - 4 5/8"
Balance Hole - None
Surface Preparation - Left at Box Finish (2000-grit Abralon)

What I was looking for in this layout: The 5" pin placement from my PAP generally gives me a predictable reaction, good length and strong backend performance. I drilled this similar to my Rogue Cell to get a comparison of what the Mutant could do. Roto Grip redesigned their popular Nucleus core to enable quicker revving down the lane while the Cytoplasmic XL solid reactive coverstock produces more friction than any previous Cell. I was expecting this layout to give me a stronger overall reaction all the way through the lane.

What I ended up with in this layout: After throwing a handful of shots, I was very impressed with the amount of reaction the Mutant Cell delivered on the lanes. With the Cytoplasmic XL Solid reactive coverstock, I knew I was going to receive a large amount of reaction through the entire shot. I was not expecting the amount of reaction it delivered at the breakpoint though. Combined with the new Nucleus II core, this ball didn't hesitate to rev up hard and make a left turn at the breakpoint. It is definitely more angular for me than I expected. Compared to my Rogue Cell, I would say that I get at least another 5-6 boards of reaction.

I tested the Mutant Cell on Kegel's Easy Street pattern which is 38'. With the amount of reaction and recovery room this ball had to offer, I was able to stand on the 40th board and swing the ball out to 7 at the breakpoint. I had no worries missing right. I can tell this ball is going to be one of my favorites just from the amount and speed of messengers I'm throwing!

If you're looking to throw the Mutant on medium oiled patterns or patterns with less head oil, I would recommend polishing the solid coverstock to assist energy conservation down the lane.

If you're looking for reaction on medium to heavier oil patterns, the Mutant Cell is your ball. The best part about Roto Grip's Cell line is that these balls are driller friendly. Whether you're a cranker, stroker, or left-handed (just kidding), the Cell line of balls simply works. Proven reaction time after time. Just be careful, the Mutant Cell has been known transform perfectly good bowling hands into wicked striking machines.

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