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
Gen XT (Xtra Traction)
Core
Rocket Science and Bowling Ball Science - To Us There’s No Difference.
Symmetric
Factory finish
Abralon® 500, 1,000, 2,000
Color
Orange / Yellow / Black
Released
Not listed
USBC
Approved 2012-01-01
Weights and specs
Weight
RG
Differential
Int. diff
14 lb
2.54
0.045
—
15 lb
2.51
0.057
—
16 lb
2.52
0.051
—
Surface
Coarse grit
Coarse and fine
Fine grit or polish
Abralon® 500, 1,000, 2,000. 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.
