First Impressions
The Roto Grip Eternal Cell shows up in a spectacular Black, Purple and Gold Pearl look. Inside, the famous asymmetric Nucleus core works with a 2.520 RG, a massive 0.056 differential and a 0.018 intermediate differential. For the cover, Roto Grip relies on the 73H Pearl Reactive coverstock, polished to 1500 grit out of the box. This combination of the tremendously proven Nucleus core and the low-friction, smooth surface should let the ball clear the heads effortlessly and store its energy for a massive, asymmetric hook in the backend.
Comparison
In a direct comparison with the Roto Grip Hyper Cell Skid, the Eternal Cell behaves extremely similarly, but minimal cover adjustments give it a slightly sharper backend motion. Against the Storm Snap Lock, which is also a polished asymmetric monster, the Eternal Cell delivers an extremely similar weight distribution and a comparable, powerful reaction. When friction on the lane is high and the transition dries up the front part of the lane, the Eternal Cell retains its energy outstandingly well and reacts explosively at the breakpoint without becoming unpredictable.
On the Lanes
The Roto Grip Eternal Cell is best suited to lane conditions with medium to high oil volume. For strokers and bowlers with moderate ball speed, it offers the option of playing deep lines, since the surface stores energy while the strong core provides the extreme backend response. The asymmetric drive toward the pocket should deliver convincing carry. On fresh, extremely heavy oil, however, this ball can slide through a bit too easily because of the polished finish. It is a weapon for open angles.