Rumble


 
Roto Grip Rumble
Roto Grip
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Release Date
PBA Approval Date
Discontinued

The combination of the brand new Late Roll 51™ core and the brand new 55M™ solid reactive coverstock will give you a ball that bridges the gap between the Wrecker™ & Shatter™ reactions and the Scream™ & Shout™ reactions.

Factory Finish
2000 Abralon
55M Coverstock
Type
Solid Reactive

The newly formulated 55M™ solid reactive coverstock was created to combat medium oil conditions. This coverstock will easily clear the front part of the lane yet still provide the needed traction to be competitive on those in-between conditions.

Late Roll 51 Core

The Late Roll 51™ core was designed to create the same amount of length as the previously used Neutron™ core in this line. However, this new shape yields a little less differential which means more control at the breakpoint.

Core Type
Symmetric
16 pounds
RG
2.540
Diff
0.030
15 pounds
RG
2.550
Diff
0.030
14 pounds
RG
2.600
Diff
0.030
13 pounds
RG
2.630
Diff
0.009
12 pounds
RG
2.650
Diff
0.011
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