Photo and specs courtesy of bowling.com. Reproduced with credit to the maker.
How it moves
Arcing turn (symmetric 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.
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
VTC-S18 Solid Reactive
Reactive solid
Core
Altered Hotshot Core
Factory finish
3000-grit Pad
Color
Black / Purple / Green
Released
2018-11-01
USBC
Approved 2018-10-16
Weights and specs
Weight
RG
Differential
Int. diff
15 lb
2.54
0.054
—
Surface
Coarse grit
Coarse and fine
Fine grit or polish
3000-grit Pad. Sanded then smoothed (1500 to 3000 grit): enough tooth for oil, enough gloss to get down the lane. Most box finishes. Surface changes over games, and a pro shop can take any ball either way with a pad.
Reviews on YouTube
DH Bowling · 2018 · Roto Grip Winner Solid Video Ball Review By Darren AlexanderLuke Rosdahl · 2018 · Roto Grip Winner Solid ReviewCasey Murphy · 2018 · Roto Grip Winner Solid Review by Casey Murphy
Picked by search for this ball; videos and thumbnails belong to their creators and play on YouTube.
