ittems

Hammer Black Pearl Urethane Bowling Ball

Sold by BowlersMart (www.bowlersmart.com). $149.95 USD. In stock: 16LB, 15LB, 14LB, 13LB, 12LB. Checked 2026-10-15 20:14 UTC.

Buy: https://www.bowlersmart.com/product/hammer-black-pearl-urethane-bowling-ball/

Facts

Variants

VariantSKUPriceAvailability
16LBHAM6010812716$149.95 USDIn stock
15LBHAM6010812715$149.95 USDIn stock
14LBHAM6010812714$149.95 USDIn stock
13LBHAM6010812713$149.95 USDIn stock
12LBHAM6010812712$149.95 USDIn stock

Description (merchant text, shortened)

Controlled, Predictable Urethane Motion

About the Black Pearl Urethane

The Hammer Black Pearl Urethane is a control specialist built on Hammer's harder 78D urethane. It pairs the symmetric LED Core with the Urethane Pearl 78D coverstock, delivering a smooth, predictable, low-flare motion for dry to medium oil and short patterns. It is the ball you reach for when control matters more than hook.

The Black Pearl Urethane reads the lane gently and predictably. The urethane cover generates less friction and stores less energy than reactive resin, so the ball holds a controlled line where a strong reactive ball would over-hook. The 78D urethane is a harder, more controllable formulation, ideal for short patterns, broken-down lanes, and precise spare and control shots.

Understanding the Hammer LED Core and Hammer Urethane Pearl 78D

Hammer built the Black Pearl Urethane for controlled, predictable urethane motion on dry to medium oil. Specifically, the symmetric LED Core posts a 2.650 RG and a low .015 differential, numbers that produce minimal flare and a smooth, on-line motion, while the harder Urethane Pearl 78D cover at a 500 Siaair Micro Pad finish reads the lane gently rather than snapping. As a result, it delivers a controlled, repeatable shape on short and worn conditions. The per-weight specifications are listed below.

A High-RG, Low-Differential Symmetric Core for Minimal Flare

At the heart of the Black Pearl Urethane is the symmetric LED Core. At 15 lb it measures a high 2.650 RG and a low .015 differential, numbers that produce minimal track flare and a smooth, controlled motion. The high RG and low differential keep the reaction even and predictable, exactly what a control ball needs.

That low-flare, on-line behavior is what gives the Black Pearl Urethane its controlled feel. As a symmetric core, it reads the lane the same way shot after shot, so the ball holds its line through dry and short patterns rather than over-reacting at the breakpoint.

A Harder 78D Urethane Cover for Predictable Control

The Black Pearl Urethane wraps that core in Hammer's Urethane Pearl 78D coverstock at a 500 Siaair Micro Pad finish. Urethane generates less friction than reactive resin, so the ball reads the lane gently and holds a controlled line instead of snapping hard at the breakpoint. The harder 78D formulation adds even more control and length.

That smooth, even reaction is exactly what makes the Black Pearl Urethane a control weapon. On short patterns and broken-down lanes, it gets a predictable read where a strong reactive ball would jump. Take the surface down for a touch more grip, or smooth it up for a bit more length, with surface changes done at your pro shop.

Black Pearl Urethane Specs

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

Who This Ball Is Right For

✓Control Players: A smooth, on-line urethane reaction for dry, short, and broken-down lanes

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