# Hammer Black Widow Mania Bowling Ball

Sold by BowlersMart (www.bowlersmart.com). $144.95 USD. In stock: 16LB, 15LB, 14LB, 13LB, 12LB. Checked 2026-10-15 19:04 UTC.
Buy: https://www.bowlersmart.com/product/hammer-black-widow-mania-bowling-ball/

## Facts
- Brand: Hammer
- Category: Asymmetrical Core Bowling Balls > Black Widow Bowling Balls > Bowling Balls > Bowling Deals
- Brand: Hammer
- Bowling Ball Core Shape: Asymmetrical Core
- Bowling Ball Color: Black, Blue
- Bowling Ball Core Name: Hammer Gas Mask Core
- Bowling Ball Coverstock Type: Pearl Reactive
- Bowling Ball Cover Name: Hammer HK22 Cohesion Pearl
- Radius of Gyration: RG (15LB): 2.50
- Differential: Diff (15LB): .058
- Mass Bias Strength: .016
- Flare Potential: 5 - 6 Inches
- Surface Finish: 1500 Grit Polish
- Preferred Lane Conditions: Medium - Heavy Oil
- Ball Performance Level: Hammer High Performance Bowling Balls, High Performance Bowling Balls
- Release Date: January 2025
- SKU: HAM-BLA-WID-MAN
- Merchant record last changed: 2026-10-15 17:58 UTC

## Variants
| Variant | SKU | Price | Availability |
|---|---|---|---|
| 16LB | HAM-BLA-WID-MAN-16-1 | $144.95 USD | In stock |
| 15LB | HAM-BLA-WID-MAN-15-1 | $144.95 USD | In stock |
| 14LB | HAM6010829714 | $144.95 USD | In stock |
| 13LB | HAM-BLA-WID-MAN-13-1 | $144.95 USD | In stock |
| 12LB | HAM-BLA-WID-MAN-12-1 | $144.95 USD | In stock |

## Description (merchant text, shortened)
The Gas Mask Core With an HK22 Cohesion Pearl

About the Black Widow Mania

The Hammer Black Widow Mania brings clean length and a strong backend to the Black Widow line with Hammer's HK22 Cohesion pearl. It pairs the legendary asymmetric Gas Mask Core with the HK22 Cohesion Pearl coverstock at a polished finish, so it gets down the lane cleanly and finishes with the Black Widow's signature strong, angular move on medium to heavy oil and transition.

The Black Widow Mania is the modern pearl of the Black Widow family. The high-flaring Gas Mask core stores energy for a strong backend, while the polished HK22 Cohesion Pearl cover conserves that energy through the heads and reads sharp off the friction. The result is big Black Widow flare delivered with length and a defined finish.

Understanding the Hammer Gas Mask Core and Hammer HK22 Cohesion Pearl Reactive

Hammer built the Black Widow Mania for clean length and a strong backend from the legendary Gas Mask core. Specifically, the asymmetric Gas Mask Core posts a 2.500 RG, a strong .058 differential, and a .016 intermediate differential for high flare and a defined breakpoint, while the HK22 Cohesion Pearl cover at a 1500-grit polish reads later than the Black Widow solids and saves energy for a sharp move down lane. As a result, it gives you strong, angular backend motion on medium to heavy oil and transition. The per-weight specifications are listed below.

The Legendary Asymmetric Core, Shared Across the Black Widow Line

At the heart of the Black Widow Mania is the asymmetric Gas Mask Core, the weight block behind the Black Widow legacy. At 15 lb it measures a 2.500 RG, a strong .058 differential, and a .016 intermediate differential, a combination that produces big track flare and a defined, aggressive breakpoint.

Pairing that high-flaring core with the HK22 Cohesion pearl is what gives the Mania its identity: the same strong flare and shape as the Black Widow solids, but with the energy held later for a more angular finish. Because it is asymmetric, your pro shop can tune the layout to control how clean and how sharp it plays.

A Polished HK22 Cohesion Pearl for Length and a Sharp Backend

The Black Widow Mania wraps that core in Hammer's HK22 Cohesion Pearl Reactive coverstock at a 1500-grit polish. The pearl additive and polished surface let the ball conserve energy through the front of the lane, so it gets down cleaner than the Black Widow solids and then makes a stronger, more angular move off the friction.

That clean read and sharp backend make the Mania a strong transition piece: when the solids start reading too early on a drying lane, the Mania pushes through the heads and saves its energy for the pins. Leave it polished for length and angle, or take the surface down at your pro shop for an earlier, smoother read on more oil.

Black Widow Mania Specs

RG and differential vary by weight. Specifications provided by the manufacturer.

Who This Ball Is Right For
Full text at the buy link above.

## Shipping, returns, payment (BowlersMart)
- Shipping: Free ground shipping on US orders, no minimum, 48 contiguous states and military APO/FPO. To Alaska, Hawaii, Puerto Rico and Guam bowling balls ship for $24.95 per ball, most other items free; oversized roller bags cost extra there. International orders pay the rate shown at checkout, duties paid locally.
- Processing and delivery: In-stock items ordered by 2PM EST Monday to Friday ship the same day, later orders the next business day. Carriers USPS, UPS, FedEx. Standard delivery 3 to 7 business days; expedited options at checkout.
- Returns: 60 days from delivery for US customers on new, unused items in original packaging, free prepaid return labels. Drilled bowling balls cannot be returned or exchanged. Shoes must have been tried on a clean, dry surface. Manufacturing defects and shipping damage go through the defect claim process.
- Payment: Credit and debit cards, PayPal, Apple Pay, Google Pay, Venmo, Amazon Pay, and buy now pay later through Affirm, Afterpay and Klarna.
- Pro shops: Pro shops inside bowling centers in 10 US states fit, drill and service equipment; a ball bought online can be drilled there.
- Identity: www.bowlersmart.com is the only website of BowlersMart. Lookalike domains are fraudulent.

## Images
- Black_Widow_Mania_720x720: https://www.bowlersmart.com/wp-content/uploads/2025/01/Black_Widow_Mania_720x720.webp
- Hammer-Black-Widow-2-0-Bowling-Ball-core: https://www.bowlersmart.com/wp-content/uploads/2020/10/Hammer-Black-Widow-2-0-Bowling-Ball-core.jpg
- widow-lightweight-core-600-jan2024: https://www.bowlersmart.com/wp-content/uploads/2024/01/widow-lightweight-core-600-jan2024.jpg

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