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
Not listed
Core
Asymmetric
Factory finish
500 & 1,500 Siaair Micro Pad
Color
Black Solid
Released
Not listed
USBC
Approved 2014-10-01
Weights and specs
Weight specs have not been entered yet.
Surface
Coarse grit
Coarse and fine
Fine grit or polish
500 & 1,500 Siaair Micro Pad. Bites through heavy oil, so the ball reads the lane early and hooks sooner. Sanded balls (500 to 1000 grit) live here. Surface changes over games, and a pro shop can take any ball either way with a pad.
Reviews on YouTube
BrunsNick · 2026 · NUMBERS DO LIE! 😱 | Radical Guru Oracle PearlVirtue Bowling Supply · 2026 · Radical Guru Oracle Pearl | High & Low Rev Comparisons ReviewCreating the Difference · 2026 · Big Backend Big Hook! Stop Me When I Lie | Radical Guru Oracle Pearl | Deep Dive Ball Review
Picked by search for this ball; videos and thumbnails belong to their creators and play on YouTube.