Roto Grip UFO Alert
Cover
e-Trax Hybrid
Factory finish
1500-grit Polish
Color
Purple / Emerald / Teal
Core (15 lb)
E.T.
R.G. / Differential / Bias
16 lb2.5200.0540.016
15 lb2.5200.0540.016
14 lb2.5200.0540.016
13 lb2.5700.0320.010
12 lb2.5900.0290.008
Release date
June 18, 2021
Balls with the same cover
This is the only ball in the Bowlidex with the e-Trax Hybrid cover.
Balls with the same core
These balls have the same 15-lb E.T. core as the UFO Alert:
NameCoverReleased
Roto Grip UFOUFO
Roto Grip
MicroTrax-S20
Solid
Jan 17, 2020
From the manufacturer

Our obsession with helping players of all ages and styles conquer various lane conditions while abiding to forthcoming governing rules, led to the development and creation of the asymmetrical E.T.™ Core (Equalizer Technology Core) which features built in cavities in order to increase weight displacement after drilling without a balance hole to increase overall ball motion.

Official site
Read more at www.stormbowling.com

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