Track has designed the new 916AT (All Terrain) to be the most versatile high performance ball on the market - angular in its polished state, but gives great Track-tion in its sanded 'box' state. Track's 916 AT is truly an All Terrain vehicle on the lanes.
The new Track 916AT features a modified “Leggo 2” asymmetrical core wrapped in a new “HP-Gen 4” All Terrain Red/Yellow coverstock finished 500/1000/2000/2000 Abralon. The ball design is for medium to heavy conditions. RG 2.53, Diff. - .055. World Wide release date is November 11, 2010.