Photo and specs courtesy of Roto Grip. Reproduced with credit to the maker.

How it moves

Hockey-stick turn (asymmetric core). Dotted is skid, then the turn, then the roll into the pocket. Estimated from the coverstock, finish, core, and differential for a right-handed bowler with medium revs on a house shot. Lane conditions, speed, and layout move all of this.

Roto Grip

Gremlin

Hook potential7 est.7 of 10, estimated

How much the ball wants to hook, 1 (straight, a spare ball) to 10 (the strongest oil-eaters). The maker publishes no number for this ball, so this is estimated from the coverstock, core, finish, and differential.

Coverstock: R_V-R1 Pearl; Reactive pearl
Core: R_Rondure_MaxD; Asymmetric
Factory finish: R_Power Edge
Color: Plum/Raisen/Tanzanite
Released: 2025-07-18
USBC: Approved 2025-06-03

Weights and specs

Weight	RG	Differential	Int. diff
16 lb	2.50	0.056	—

Reviews on YouTube

Storm Bowling Products Inc. · 2026 · We Tested Every Gremlin... Wicked Gremlin vs Gremlin Tour X vs Gremlin | Roto Grip Bowling

BowlerX.com · 2026 · Roto Grip Wicked Gremlin Bowling Ball | BowlerX Full Review

Creating the Difference · 2026 · This One Surprised Us! | Roto Grip Wicked Gremlin | Deep Dive Ball Review

Picked by search for this ball; videos belong to their creators and open on YouTube.