- Criterion Inverse

First Impressions
The Track Criterion Inverse comes in an eye-catching color combination of black, smoke gray, and bright green. Track took an innovative approach with this ball and simply reversed the densities of the proven two-piece inner core from earlier Criterion releases. This inversion results in new core numbers and a noticeably different ball reaction on the lane. In the 15-pound version, the Criterion I.D. core has an RG of 2.496, a differential of 0.047, and an intermediate differential of 0.016. Those numbers sit noticeably below those of the original Criterion, which should translate into a more controlled ball characteristic. The cover is the Super Response Pearl coverstock on an HK22C base, finished with a Pearl Reactive finish. Out of the box the ball comes with a 500, 1000, 1500 Siaair surface plus Factory Compound. In addition, the ball features Brunswick's DynamiCore technology, which should provide increased durability and better pin carry. The Criterion Inverse is positioned in the high-performance segment and is designed for medium oil volumes. Its basic character promises clean length with a strong backend, with the reduced core numbers intended to provide more control and predictability, especially in situations where traditional asymmetrical balls read too early or react too aggressively.

Comparison
The Criterion Inverse compares very well to other recent Track releases and fills an interesting gap in the lineup. Compared directly to the Track Theorem Pearl, the Inverse shows a similar hockey-stick motion with defined angle, but with a bit more length and a more controlled backend. While the Theorem Pearl is known for its pronounced angle, the Criterion Inverse offers a somewhat stronger overall reaction with better predictability at the same time. The difference to the Track Criterion Hybrid is more distinct. The Hybrid picks up earlier in the lane and shows a more continuous, rollier motion with more midlane traction. The Inverse, by contrast, should get through the heads cleaner and save its energy for a sharper, if controlled, angle on the backend. Even so, it remains stronger than both Theorem versions. The comparison to the original Track Criterion Solid is also interesting, as that ball picks up considerably earlier and more aggressively. The Inverse could serve as an ideal complement when the Solid reacts too early or the lane dries up. Within the Track lineup, the Criterion Inverse sits between the Theorem balls and the Criterion Hybrid, offering a balance of length and power that should show its strengths especially on broken-down lane conditions.

On the Lanes
The Track Criterion Inverse should show its strengths above all on medium oil volumes and on lane conditions with pronounced transition zones between wet and dry. Unlike classic asymmetrical balls, which often read too early or react too sharply off the breakpoint, the Inverse should offer a controlled yet still powerful ball reaction. If you have a medium to higher rev rate, this ball could be particularly interesting, since it lets you play bigger angles without losing control. Being able to throw the ball from various positions and still get a consistent reaction makes it a versatile tool. If you have a lower rev rate, you could benefit from the pearl coverstock, which despite the HK22 base offers enough length to get the ball into position before it releases its energy. At higher speed and a lower rev rate, however, the ball could run too clean through the lane unless the conditions are already well broken down. The surface prep opens up additional adjustment options. With the factory polished surface, the ball suits fresher conditions with clear transitions. Should more friction be needed, dulling it to 2000 or 3000 grit could increase midlane traction without changing the ball's basic character. In your arsenal, the Criterion Inverse should establish itself as a solid second ball that comes into play when the first, more aggressive ball reacts too early or the lane already shows carrydown. On sport patterns it could serve as a primary ball, especially on medium-long to long patterns where control matters more than pure aggression. The combination of clean heads, a defined breakpoint, and a strong but predictable backend makes it a reliable partner for a wide variety of playing situations and lane conditions.