Hammer
Amp

Bowler Ratings

PatternStTwCr
Oily:
Medium:
Dry:
Sport:

(1-10 in order of Stroker (ST), Tweener (TW), Cranker (CR))

General Ball Info

Coverstock Info
Name:
Overdrive Hybrid Reactive
Type:
Reactive Hybrid
Box Finish:
500 / 1000 Abralon / Powerhouse Clean 'n Sheen
Color:
Red / Blue
Core Info
Name:
NA
Type:Asymmetrical
RG:2.49
Total Diff:0.054
Int. Diff:0.013

The Amp offers all new elements for Hammer bowling. It uses a new core shape named Powershot. This new lower RG core is surrounded by a brand new hybrid coverstock. The Overdrive Hybrid Reactive coverstock comes out of the box with the finishing process of 500/1000 Abralon and then a coat of Powerhouse Clean ‘n Sheen.

The strong coverstock, box finish, and core gave us the best ball reaction on our heavy test pattern. This cover really showed how strong it was on this pattern. It is not a regular occurrence for us to have enough traction on this pattern from ...

Performance Ratings

NameValueComments
Torque
(1-10)
Length
(1-25)
Back End
(1-20)
Total Hook
(1-100)