I think the Inertia would be a great ball to compliment the robo. It will be mostly like a "light" heavy or medium-heavy. would be a great ball for the second and 3rd game in a league.
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ÈĻ Arsen
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Track Mean Machine (Heavy)
Lane #1 Dirty Bomb (Heavy-Medium)
Track Machine (Medium)
Lanemasters The Buzz (Medium)
Dyno-Thane Vendetta Pearl (Medium-Light)
Brunswick Original Inferno Pro-Am Remake (Light - Medium)
Track Desert Heat (Light)
Brunswick BVP Ambush (Spare)
I throw it all, just give me a ball, I'll throw it. =]