Golf Tutorials

What Are OnCore Golf Balls?

By Spencer Lanoue
July 24, 2025

You’ve probably seen the name OnCore popping up online or heard a buddy mention them after a round. Unlike the household names that have dominated pro shop walls for decades, OnCore is a relatively new player, but they’ve made a lot of noise with some seriously different golf ball technology. This article will break down exactly what makes OnCore golf balls unique, who should play them, and how you can figure out which model is the right fit for your game.

What Really Sets OnCore Apart? The Hollow Metal Core

At the center of OnCore's innovation is a concept that turns traditional golf ball design on its head: the hollow metal core. For years, premium golf balls were built around a solid rubber core. OnCore asked a different question: what if the heaviest part of the ball was on the outside, not the inside?

Think about a figure skater. When she wants to spin faster, she pulls her arms in toward her body. When she wants to slow down and become more stable, she extends her arms out. OnCore applies this same physics principle to their golf balls. By placing a dense, hollow metal sphere at the core, they push weight to the perimeter of the ball. This engineering feat creates a ball with a higher Moment of Inertia (MOI).

So, What Does High MOI Mean for Your Golf Shot?

High MOI makes an object more resistant to twisting. In golf, that resistance to twisting has one massive benefit: it reduces sidespin.

Sidespin is the enemy of accuracy. It's the spin that turns a straight shot into a slice or a hook. When you strike a traditional golf ball slightly off-center - on the heel or toe of the clubface - you impart more sidespin, magnifying the miss. The ball curves away from your target line, sometimes dramatically.

Because an OnCore ball with a hollow metal core is more resistant to twisting at impact, it generates less sidespin on those same off-center hits. The practical result?

  • Straighter Ball Flights: Your slices and hooks won't be as severe. A miss that might have ended up in the trees with another ball might now just be in the right rough.
  • More Consistency: By minimizing the gear effect on mishits, the ball launches closer to your intended line more often. This creates a much tighter shot dispersion.

As a coach, I've seen this play out in real time. For golfers who struggle with a consistent slice, switching to a perimeter-weighted ball can feel like getting a "get out of jail free" card. It doesn’t fix the swing flaw, but it absolutely helps manage mistakes and keep more balls in play.

Breaking Down the OnCore Lineup: Which Ball Is for You?

OnCore isn’t a one-size-fits-all brand. They offer a specific lineup of golf balls an a direct-to-consumer model, each designed to cater to a different type of player and swing speed. Finding the right one is about honestly assessing your game. Let’s look at their main offerings an I'll give you my coach's take on who each one suits best.

The AVANT 55: The Soft Feel Specialist

The AVANT 55 is OnCore’s 2-piece, low-compression ball. The "55" in its name refers to its compression rating, which is very soft.

  • Construction: 2-Piece (Large core, soft surlyn cover)
  • Feel: Extremely soft off every clubface.

Who is it for?

You are: A golfer with a moderate to slow swing speed (under 90 mph). You might be a beginner, a senior, or simply a player who doesn’t generate massive clubhead speed but wants to maximize distance.

You want: To easily compress the ball to get it airborne, a very soft feel around the greens, and a budget-friendly price point without playing a “rock.”

My Coach's Take: This is a fantastic option for players who feel like they can't get the most out of firm, "tour" level balls. If you struggle to get the ball up in the air or feel like premium balls are too "clicky" off the putter, the AVANT 55 gives you a soft, springy sensation that can build confidence and help you hit it farther.

The ELIXR: The All-Around Performer

The ELIXR has been OnCore’s flagship ball for years and is a multiple Golf Digest Hot List winner. This is their 3-piece ball with a cast urethane cover, designed to compete directly with other mainstream tour balls.

  • Construction: 3-Piece (Hollow metal core, proprietary mantle layer, cast urethane cover)
  • Feel: Soft but responsive. Not as marshmallow-soft as the AVANT, but much softer than old-school distance balls.

Who is it for?

You are: A golfer with an average to fast swing speed (roughly 90-105 mph). You're a serious player who demands performance an all areas of the game.

You want: A ball that blends explosive distance off the driver with the soft feel and high spin control required for precise approach shots and chips.

My Coach's Take: For the vast majority of amateur golfers, the ELIXR hits the sweet spot. The cast urethane cover is a big deal, it provides that 'checks and grabs' performance on wedges that you see from the pros. You get the benefits of the hollow core's accuracy off the tee combined with true premium greenside control. It's a very impressive, well-balanced golf ball.

The VERO X1 & VERO X2: The Tour-Caliber Speed Machines

The VERO line represents OnCore's jump into the ultra-premium, 4-piece ball category. These balls are engineered for players with higher swing speeds who want to optimize every yard of distance and every bit of spin.

  • Construction: 4-Piece (Enhanced hollow metal core, two mantle layers, thin cast urethane cover)
  • Feel: VERO X1 is firm-but-not-hard, while the VERO X2 has a slightly firmer, more solid feel at impact.

Who is it for?

The VERO X1 is for you if... your driver swing speed is fast (100-115+ mph) and you want extremely low spin for piercing distance off the tee, combined with high spin into the greens. It's designed for potent launch conditions.

The VERO X2 is for you if... you have an elite swing speed (110+ mph) and are looking for maximum velocity and an even lower driver spin rate than the X1. The higher compression of the X2 is built to handle the force generated by the fastest players.

My Coach's Take: Don't let your ego choose these balls for you. If a your swing speed isn't in or above that triple-digit range, you will not be able to properly compress the VERO X1 or X2, losing both distance and feel. However, if you do have that speed, these balls are serious weapons. The 4-piece construction allows for incredibly low spin with long clubs and exceptionally high spin with short clubs - the perfect performance combination for better player.

How to Test OnCore Balls for Your Game

Reading about technology is one thing, seeing the results on the course is another. The best way to know if OnCore is right for you is to test them against your current ball. Here’s a simple process I recommend to my students:

1. Pick Your Candidates

Based on the profiles above, identify the OnCore models an a that best matches your game. If you're a mid-swing speed player, your ideal matchup might be the ELIXR. If you swing it fast, maybe you test the ELIXR against the VERO X1. Buy a sleeve of each.

2. Start on the Range, Finish on the Course

Begin with your driver. Hit 5-10 shots with your current gamer, paying close attention to your typical ball flight and dispersion. Then, switch to the OnCore ball and hit the same number of shots. Don't just look for one long drive - look for the average. Is your cluster of shots tighter? A re your common misses (slices/hooks) less severe?

3. Test Approach Shots

Move to your irons. Hit shots from a specific yardage (e.g., 150 yards) to a green. Pay attention to how the ball feels at impact and how it flies. With the urethane-covered ELIXR and VERO, you should be able to see a difference in how the ball reacts landing on the green an - does it stop quicker than your current ball?

4. The Decider: Around the Green

This is often where a premium ball earns its keep. Go to the chipping green. Hit a variety of shots: low runners, soft pitches, bunker shots. The feel and sound off the clubface are very personal. Spend time putting to get a feel for the roll and sound off the putter. How a ball feels and an a sounds and feels in the short game can a have a huge impact on your confidence.

Final Thoughts

OnCore has successfully carved out a unique space in a crowded market by challenging traditional designs with its perimeter-weighting technology. Their focus on reducing sidespin offers a tangible benefit for any golfer who wants a tighter shot dispersion, while their lineup provides tailored options for every swing speed.

Just as finding the right ball removes a variable from your shots, getting smart advice on the course removes the guesswork from your strategy. With Caddie AI, we give you that on-demand expertise right in your pocket. You can get instant advice for any tee shot or even snap a photo of a tricky lie to find out the best way to play it, helping you make smarter, more confident decisions from anywhere on the course.

Spencer has been playing golf since he was a kid and has spent a lifetime chasing improvement. With over a decade of experience building successful tech products, he combined his love for golf and startups to create Caddie AI - the world's best AI golf app. Giving everyone an expert level coach in your pocket, available 24/7. His mission is simple: make world-class golf advice accessible to everyone, anytime.

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