Black Widow Spare+

Name: Hammer Black Widow Spare+
Brand: Hammer
Availability: InStock

✓ USBC Approved✓ PBA Certified

USBC approved 2026-09-08 · Released 2026-09-17

Light / dry lanes

Coverstock: Polyester (polyester)
Core: Gas Mask (asymmetric)
Factory finish: 500, 1000, 2000 Siaair / Factory Polish
Color: White Diamond

Manufacturer product page ↗

Specs by weight

Weight	RG	Differential	Int. Diff
16lb	2.500	0.049	0.012
15lb	2.480	0.058	0.013
14lb	2.510	0.058	0.013
13lb	2.589	0.043	0.011
12lb	2.612	0.043	0.011
11lb	2.769	0.002	—
10lb	2.800	0.002	—

Where to buy

Manufacturer price —

Lowest price (15lb) $149.95

Average price (15lb) $149.95

Highest price (15lb) $149.99

Prices shown for 15lb

$149.95

$149.99

About this ball

MORE THAN A SPARE BALL. Not every polyester ball is created equal. The Hammer Black Widow Spare+ pairs the iconic Gas Mask core with a polyester cover to create a uniquely versatile bowling ball. It delivers the accuracy bowlers demand for spare shooting while offering enough core dynamics to become a valuable option on extremely dry lanes, and shorter patterns with less volume. Whether it’s used for converting corner pins or helping you navigate the toughest lane conditions, the Black Widow Spare+ is ready for the challenge. Wrapped in a striking white pearl finish with eye-catching sparkle, it’s every bit as bold as the Black Widow name deserves.