Hammer Epidemic

December 6th, 2011 by admin | Comments Off

52.5 Hook 15.5 Length 17 Breakpoint Shape Core Design: The Bio Hazard core shape has thoughts of breakpoint angularity and little else. Its inverted shape and added flip block delay the ball’s axis rotation, enhancing its back-end power move. The core boasts a 2.51 RG, a .050 Diff and a mass bias of .012. Coverstock: […]


Hammer Arson

December 6th, 2011 by admin | Comments Off

50 Hook 14 Length 15 Breakpoint Shape Core Design: The Sauce symmetric core shape has a medium RG of 2.50 and a 5” flaring Diff value of .045. This all-purpose design incorporates a smooth midlane with continuation downlane. Coverstock: The Max Hook Hybrid reactive coverstock is finished with 800, 1k and 2k Abralon. Colors are […]


Hammer Blue Hammer

December 6th, 2011 by admin | Comments Off

46 Hook 15 Length 14 Breakpoint Shape Core Design: The 2011 edition of the venerable Blue Hammer houses a different symmetric core compared to the 1980-90 version. This time, the core shape is found in the popular Vibe series, but Hammer’s design team tweaked the numbers. They raised the RG from 2.51 to 2.57 and […]


Hammer Grape Vibe

July 8th, 2011 by admin | Comments Off

47 Hook 16 Length 15.5 Breakpoint Shape Core Design: The hour-glass shaped symmetric core has been since the first Vibe we tested — the blue pearl in July 2006. The core is still rated at 2.51 RG and .042 Diff in 15-pounders. Bowlers will typically see nearly 4.5” of track flare with strong 3-4” pin […]


Hammer: Infection

March 9th, 2011 by admin | Comments Off

55 Hook 14.5 Length 15.5 Breakpoint Shape Core Design: The Biohazard asymmetric core boasts a medium RG level of 2.50. The Diff comes in at .055 and the intermediate Diff is .011. We saw nearly 6” of track flare with the 4 and 5” layouts. The core also is used in Hammer’s heavy oil Plague. […]


Hammer: Taboo

January 12th, 2011 by admin | Comments Off

52 Hook 15 Length 16 Breakpoint Shape Core Design: The Taboo has yet another strong asymmetric core design sharing the original Black Widow core. The RG is medium at 2.50 and the Diff strong at .060. Mass bias measures in at .016, which helps define motion shape. We saw both skid/flip and arcing motions, contingent […]


Hammer: Hardcore Brawl

November 12th, 2010 by admin | Comments Off

51.5 Hook 14.5 Length 15 Breakpoint Shape Core Design: The symmetric Bullet core shape mirrors the Hammer Grind’s (July 2010). The medium RG of 2.56 promotes later midlane revs, while the .045 Diff will offer about 5” of track flare with aggressive layouts. This taller core shape allows for easier length. Coverstock: The Violent Flip […]


Hammer: Swagga

November 12th, 2010 by admin | Comments Off

54 Hook 14.5 Length 15.5 Breakpoint Shape Core Design: Hammer’s brain-trust decided to re-enlist its original asymmetric Gas-Mask core, first used in the Black Widow (July 2006). This powerful core delivers the goods with its medium RG of 2.50, a 6” flaring Diff of .060 and an intermediate Diff strength of .016. This core offers […]


Hammer Midnight Vibe

June 7th, 2010 by bjiwebmaster | Comments Off

Hammer Midnight Vibe

The Midnight will provide many uses on light-mediums to medium volumes when players desire length and an aggressive arc downlane. Heavier volumes will require surface adjustments or the use of stronger pieces such as Black Widows, Raw line balls or power Hammer Jigsaws.


Hammer Backlash Red/Purple

June 7th, 2010 by bjiwebmaster | Comments Off

Hammer Backlash Red/Purple

The RP Backlash is a later and tamer version of the BS Backlash. We saw an average of 2-4 boards less total hook and 3-4 feet later reaction with the RP version. With similar surfaces the two Backlashes become more closely related but still differ slightly.



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