Photo and specs courtesy of Track. Reproduced with credit to the maker.
How it moves
Straight (spare ball). 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
Polyester
Polyester
Core
The Spare + features a single density version of our high performance i-Core. Th
Asymmetric
Factory finish
This one comes with a 800, 1000, 2000 Abralon® Polished with Power House Factory
Color
Purple / Blue / Black
Released
Not listed
USBC
Approved 2014-05-01
Weights and specs
Weight
RG
Differential
Int. diff
12 lb
2.68
0.027
—
13 lb
2.62
0.037
—
14 lb
2.56
0.048
—
15 lb
2.53
0.050
—
16 lb
2.54
0.042
—
Surface
Coarse grit
Coarse and fine
Fine grit or polish
This one comes with a 800, 1000, 2000 Abralon® Polished with Power House Factory. Skims the oil and saves its energy for the dry part of the lane: longer skid, later and sharper hook. Polished and pearl balls. Surface changes over games, and a pro shop can take any ball either way with a pad.
Reviews on YouTube
The Bowling Fool · 2025 · Got Spare Balls? #spares #bowling #bowl #review #comparison #stormnation #hammerbowling #motivBowling Knightz Garage Shop · 2019 · In-League Ball Review - PYRAMID PATHOGEN SPARE - Yup it's plastic!The Lane Goons · 2026 · How to Choose the Perfect Spare Bowling Ball
Picked by search for this ball; videos and thumbnails belong to their creators and play on YouTube.
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