Guru Master

Radical Guru Master bowling ball photo

Solid Reactive Coverstock

Guru (2014-2017) Asymmetric Core

16 lb 15 lb 14 lb 13 lb 12 lb
RG 2.489 2.501 2.517 2.589 2.612
Diff 0.044 0.044 0.044 0.043 0.043
Length 31% 38% 48% 93% 108%
Flare 64% 64% 64% 62% 62%



  • Factory Finish:
    500, 1500 Siaair Micro Pad

From Radical:

The Guru Master sets a new standard for total hook on heavy oil lane conditions. This core/cover combination produces stronger hook motion in oil with amazing continuation on the backend and through the pins.