US
Hammer

Hammer Special Effect Bowling Ball

  • 15 pound ball
  • HK22C cover with Cohesion additive
  • Huntsman asymmetrical core
  • 500, 1000, 1500 Siaair Micro Pad plus Crown Factory Compound
  • 2 year limited manufacturer warranty

Updated 5 days ago · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A shiny asymmetrical ball for league bowlers who want a strong backend from a non pearl cover. The listing names no oil condition or core numbers.

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ASIN: B0DYL49QGXCategory: Bowling Balls

Item Weights Available

12 Pounds15 Pounds16 Pounds

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Overview

An asymmetrical Huntsman core under a reactive cover blended with the Cohesion additive drives this Hammer ball. A polished compound finish lets it travel down lane before turning harder at the back.

A strong backend from a shined cover is the reason to buy it, giving a ball that saves energy for the pins. It follows up the original Effect with the same core. The listing says nothing about oil volume, RG or differential, so a pro shop has to fill those gaps.

Who it's for

League bowlers who see their current ball roll out early will get more push at the back. Beginners and players on very dry lanes should look for something milder.

Pros and cons

Pros
  • Asymmetrical core for strong motion
  • Shined finish saves energy down lane
  • Proven core from the original Effect
  • Two year limited warranty
Cons
  • Oil condition, RG and differential not listed
  • Shined finish may skid on heavy oil

Performance notes

A shined surface lowers friction in the front part of the lane, so the ball travels further before reading the dry backend. The asymmetrical core then flares hard as it turns. Lane oil volume sets how early that move happens.

Specifications

BrandHammer
Dimensions & fit
Item weight15 pounds
Item Dimensions Lxwxh8 x 8 x 8 inches
Construction & materials
Construction TypeHuntsman asymmetrical core
MaterialReactive
Outer MaterialHK22C base with Cohesion Solid additive
ColorPurple/Red/Grape/Black
Included components
Included ComponentsBowling ball
Warranty & support
Warranty Description2 year limited manufacturer
Other details
Suggested UsersUnisex adult
Style500, 1000, 1500 Siaair Micro Pad, Crown Factory Compound

Frequently asked questions

How big is the Hammer Special Effect?

The listing gives item dimensions of 8 x 8 x 8 inches for the 15 pound ball.

What core is in the Hammer Special Effect?

The Huntsman asymmetrical core, the same core used in the original Hammer Effect.

What finish does the Hammer Special Effect come with?

A 500, 1000, 1500 Siaair Micro Pad finish topped with Crown Factory Compound.

Who makes the Hammer Special Effect?

Hammer is the brand, and Brunswick is listed as the manufacturer.