ittems

Hammer Black Widow Spare+ Bowling Ball

Sold by BowlersMart (www.bowlersmart.com). $149.95 USD. In stock: 16LB, 15LB, 14LB, 13LB, 12LB, 11LB, 10LB. Checked 2026-10-18 18:39 UTC.

Buy: https://www.bowlersmart.com/product/hammer-black-widow-spare-plus-bowling-ball/

Facts

Variants

VariantSKUPriceAvailability
16LB60-108769-936$149.95 USDIn stock
15LB60-108769-935$149.95 USDIn stock
14LB60-108769-934$149.95 USDIn stock
13LB60-108769-933$149.95 USDIn stock
12LB60-108769-932$149.95 USDIn stock
11LB60-108769-931$149.95 USDIn stock
10LB60-108769-930$149.95 USDIn stock

Options (chosen at checkout)

Description (merchant text, shortened)

Not Every Polyester Ball Is Created Equal

About the Black Widow Spare+

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 is 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, the White Diamond colorway is every bit as bold as the Black Widow name deserves. It is available from 10 to 16 lb with a two-year warranty.

Understanding the Hammer Gas Mask Core and Polyester (Plastic)

Hammer built the Black Widow Spare+ to be more than a spare ball. Specifically, the 16 to 14 lb weights carry the iconic asymmetric Gas Mask core (2.480 RG, .058 differential, .013 intermediate differential at 15 lb), the same dynamics as Hammer's high-performance Black Widows, under a polyester cover at a 500, 1000, 2000 Siaair / Factory Polish finish. The plastic cover keeps the ball straight for spares, while the core gives it enough motion to be a real option on extremely dry lanes and short, low-volume patterns. The 13 and 12 lb weights use a dedicated core, and the 11 and 10 lb weights use a low-differential pancake block for the straightest possible roll. The full per-weight numbers are listed below.

The Iconic Black Widow Core, Now in a Polyester Ball

At the heart of the Black Widow Spare+ (16 to 14 lb) is the iconic asymmetric Gas Mask core, the engine that made the Black Widow line famous. At 15 lb it measures a 2.480 RG, a .058 differential, and a .013 intermediate differential, numbers you normally find in a high-performance reactive ball, not a spare ball.

Paired with a polyester cover, that core does something a pancake-block plastic ball cannot: it gives the Black Widow Spare+ enough core dynamics to become a valuable option on extremely dry lanes and shorter patterns with less volume. The 13 and 12 lb weights carry a dedicated core (2.589 RG, .043 differential), and the 11 and 10 lb weights use a traditional low-differential block (.002) for the straightest roll.

A White Diamond Polyester Cover Built for Accuracy

Wrapping the Gas Mask core is a polyester coverstock at a 500, 1000, 2000 Siaair / Factory Polish finish. Polyester does not absorb oil or create friction the way a reactive cover does, so the ball rolls straight and true, exactly what you want when you are converting corner pins and single-pin spares.

The White Diamond finish is a white pearl with eye-catching sparkle, as bold as the Black Widow name deserves. Because the cover is plastic, it is also the ball to reach for on the driest lanes and shortest patterns, when even your weakest reactive ball hooks too much.

Full text at the buy link above.

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