Motiv Cruel C51 LE, released in 2011, pairs the Formula-5 Reactive Hybrid cover with an asymmetric Cruel core. It measures RG 2.48 and differential .060 — low RG (revs up early) and high flare potential, banded on Storm's published scale. It leaves the factory at 5500 Grit Laser Scan Polished.
Measured at 15 lb. These are box specs for an undrilled ball — drilling changes them.
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Brand vocabulary, not measurements — no two manufacturers use the same scale, so these never compare across brands.
| Weight | RG | Diff | Int. |
|---|---|---|---|
| 15 lb | 2.48 | 0.060 | 0.030 |
| 16 lb | 2.46 | 0.060 | 0.030 |
These specs are factory reference for the model, compiled from manufacturer publications and other sources and provided as is. They may contain errors or describe a different production run, and they say nothing about the condition of any individual used ball — surface prep, resurfacing, plugging, and drilling all change how a ball behaves relative to its published numbers. Spotted something wrong? Tell us at support@rerackbowling.com.
The Ball Finder matches your rev rate, speed, and lane condition against these specs. Buy and sell used on ReRack — your payment is held until the ball is delivered.
Closest on the three specs that compare across brands — RG, differential and symmetry. One ball per line, so no other version of the Cruel C51 LE appears here.