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Sigma Tour

Sigma Symmetric Core

16 lb 15 lb 14 lb 13 lb 12 lb
RG 2.46 2.47 2.51 2.57 2.63
Diff 0.044 0.047 0.04 0.032 0.024
Length 13% 19% 44% 81% 119%
Flare 64% 71% 56% 38% 20%



  • Factory Finish:
    2000 Wet Sand

From Motiv

The Sigma Tour unites the demands of our professional bowlers with the expertise of our creative engineers. The pros asked us to maximize the proven Sigma core with a new coverstock and to add length and create a stronger backend motion with continuation. MOTIV engineers delivered. Introducing the Sigma Tour with Atomix Reactive technology.