Release Date
PBA Approval Date
Discontinued
Roto Grip® sets the highest standard with the introduction of the Ultra Sonic. This entry performance pearl tops its class in price, performance and looks.
The power plant inside the Ultra Sonic is the unmatched X-1 core. This high RG and medium/low differential core delivers added length with constant backend motion.
Sure Grip II pearl surrounds this jewel giving it a stronger footprint on those medium to light oil patterns.
Factory Finish
1500 Polished
Sure Grip II Pearl Coverstock
Type
Pearl Reactive
X-1 Core
This high RG and medium/low differential core delivers added length with constant backend motion.
Core Type
Symmetric
16 pounds
RG
2.600
Diff
0.035
15 pounds
RG
2.610
Diff
0.035
14 pounds
RG
2.630
Diff
0.035
13 pounds
RG
2.670
Diff
0.020
12 pounds
RG
2.670
Diff
0.020
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Similar Balls
Ball | Brand | Comparison Grade | Coverstock | Factory Finish | Core | RG | Diff | MB Diff | US/Overseas Release | Discontinued | |
---|---|---|---|---|---|---|---|---|---|---|---|
Ultra Sonic | Sure Grip II PearlPearl Reactive | 1500 Polished | X-1Symmetric | 2.610 | 0.035 | ||||||
Mercury | A- | Sure Grip II PearlPearl Reactive | 1500 Polished | OrbiterSymmetric | 2.610 | 0.028 | |||||
Sonic Boom | B+ | Sure Grip II PearlPearl Reactive | 1500 Polished | Sonic "Boom-IT"Symmetric | 2.600 | 0.029 | |||||
Super Sonic | B | Sure Grip II SolidSolid Reactive | 1500 Polished | X-1Symmetric | 2.610 | 0.035 | |||||
Spirit II | B | Spirit PearlPearl Reactive | Polished | SpiritSymmetric | 2.590 | 0.030 | |||||
Hot Rod | B | Curelyon PearlPearl Reactive | 1500 Polished | Modified Inverted 2-pieceSymmetric | 2.560 | 0.033 | |||||
Eraser Blaze | B | Cadmium PearlPearl Reactive | 1500 Polished | PBT BSymmetric | 2.570 | 0.041 | |||||
Tropical Surge (Pearl, Various Colors) | B | Reactor PearlPearl Reactive | 1500 Polished | SurgeSymmetric | 2.580 | 0.024 | |||||
Warlock XV Pearl | B- | XV PearlPearl Reactive | 1500 Polished | WarlockSymmetric | 2.570 | 0.038 | |||||
Sonic X | B- | Sure Grip PearlPearl Reactive | 1500 Polished | Sonic "Boom"Symmetric | 2.600 | 0.020 | |||||
Hot Rod Pro Stock Pearl | B- | MONSOON PearlPearl Reactive | 1500 Polished | Modified 2-piece Thunder FE2Symmetric | 2.540 | 0.033 | |||||
Jazz (various colors) | B- | Super FlexPearl Reactive | Polished | JazzSymmetric | 2.640 | 0.042 | |||||
Neptune | B- | Sure Grip II PearlPearl Reactive | 1500 Polished | Orbiter IISymmetric | 2.610 | 0.018 | |||||
Ogre Pearl | B- | Eradicator PearlPearl Reactive | 1500 Polished | OgreSymmetric | 2.590 | 0.029 | |||||
Deep Freeze Coral Splash | B- | New Era PearlPearl Reactive | 800/1000/2000/4000 Abralon, Powerhouse Factory Finish | Modified Messenger 2Symmetric | 2.590 | 0.035 | |||||
Deep Freeze | B- | New Era PearlPearl Reactive | 800/1000/2000/4000 Abralon, Powerhouse Factory Finish | Modified Messenger 2Symmetric | 2.590 | 0.035 | |||||
Hot Rod Super Sport Pearl | B- | Reactor PearlPearl Reactive | 1500 Polished | Modified ThunderSymmetric | 2.560 | 0.036 | |||||
Holic | B- | Sweep PearlPearl Reactive | 2000 Sanded with Factory Polish | HolicSymmetric | 2.606 | 0.024 | |||||
Hole Finder Pearl | B- | Isogonic Hook PearlPearl Reactive | 1500 Polished | Hole FinderSymmetric | 2.580 | 0.048 | |||||
Ogre Urethane | C+ | Hard UrethaneUrethane Solid | 1500 Polished | Ogre UrethaneSymmetric | 2.590 | 0.034 | |||||
Geek Meme Sky | C+ | Sweep PearlPearl Reactive | 3000 Polished | GeekSymmetric | 2.576 | 0.039 | |||||
Geek Meme Jade | C+ | Sweep PearlPearl Reactive | 3000 Polished | GeekSymmetric | 2.576 | 0.039 | |||||
Geek | C+ | Sweep PearlPearl Reactive | 4000 Polished | GeekSymmetric | 2.576 | 0.039 | |||||
ThunderStruck Pearl | C+ | Reactor PearlPearl Reactive | 1500 Polished | FE2 (Thunder)Symmetric | 2.570 | 0.047 | |||||
Tropical Surge Black/Cherry Hybrid | C+ | Reactor HybridHybrid Reactive | 1500 Polished | SurgeSymmetric | 2.580 | 0.024 |