DO NOT UNDERESTIMATE THE RUBICON!! Roto Grip Rubicon - Bowling Ball Review

Roto Grip Rubicon Review

While no longer in production, the Roto Grip Rubicon remains a solid option on the used market for bowlers who need reliable performance on medium-heavy oil. The combination of the asymmetric Rondure core and eTrax-S20 solid coverstock delivers consistent hook potential with manageable backend reaction.

By BowlingBallVideos.com Staff Tested Apr 22, 2026 8 videos analyzed 42 verified bowler reviews
8.4
Overall
Great Score
Weight
12-16 lbs
Coverstock
Solid
Core
Asymmetric
Hook
High

Performance Analysis

Performance Analysis

Testing revealed the Rubicon positions itself strategically between two comparable Roto Grip asymmetric offerings—the Idol and the UFO. On the 43-foot fresh Dead Man’s Curve pattern, independent reviewers observed the Rubicon delivering 4–5 boards more hook than the Idol while maintaining cleaner midlane motion than the earlier-reacting UFO. The asymmetric Rondura core produces noticeably harder backend angularity compared to the Idol’s more rounded shape, while the weaker etrax S20 solid coverstock allows slightly more skid downlane than the UFO—creating a true middle-ground reaction profile. Out of the box at 3000 grit, testers found the surface composition well-matched to its intended lane conditions and saw no immediate need for adjustments.

The ball’s performance sharpened considerably as lane conditions deteriorated across multiple games. Reviewers noted the Rubicon excels in medium-heavy oil conditions during the second, third, and fourth games of a block—precisely when backends freshen up and earlier-rolling balls begin losing reaction. Direct comparison testing showed the ball creates a more defined angle into the pocket than the Idol, particularly valuable when bowlers need to build entry angle from inside positions. On fresh oil, some testers acknowledged the Rubicon ran slightly hard off the spot initially, but this characteristic proved advantageous as conditions transitioned, making it a strong complement to either ball in a three-ball arsenal without overlap.

Who Is This Ball For?

The Rubicon is ideal for competitive bowlers already carrying an Idol or similar medium-heavy solid who need a stronger complement without sacrificing shape. It bridges the gap for players finding the Idol insufficient as lanes break down, offering substantially more backend motion while maintaining the controlled, predictable midlane read that makes Roto Grip solids tournament-reliable. This ball suits bowlers working 41–43-foot patterns who plan to progress through multiple games on a fresh pair of lanes.

Recreational and league bowlers seeking a single-ball workhorse in medium-heavy conditions will also benefit from the Rubicon’s versatility. It delivers enough backend to hold lines when conditions tighten without the aggressive early-hook characteristic that demands precise speed and axis control. The ball rewards solid fundamentals and works equally well for bowlers prioritizing consistency over pin-action intensity, making it an accessible choice for players upgrading from entry-level reactives.

Hook Potential
8.0
Length Through Heads
6.0
Back-End Continuity
7.0
Pin Action
7.0
Versatility
6.0
Value for Money
8.0

The Pros

  • Strong hook potential with eTrax-S20 solid coverstock
  • Predictable motion on medium-heavy oil patterns
  • Excellent value on used market due to discontinued status

The Cons

  • Limited versatility outside medium-heavy oil conditions
  • May be too aggressive for lighter oil patterns

Who Is This Ball For?

While no longer in production, the Roto Grip Rubicon remains a solid option on the used market for bowlers who need reliable performance on medium-heavy oil. The combination of the asymmetric Rondure core and eTrax-S20 solid coverstock delivers consistent hook potential with manageable backend reaction.

Bowlers facing medium to heavy oil conditionsPlayers seeking predictable solid reactive motionBudget-conscious bowlers looking for high-performance on secondary market

Technical Specifications

Core Details (Roto Grip Rondure Core Core)
RG (15 lbs) 2.49
Differential 0.052
Int. Differential 0.011
Coverstock Roto Grip eTrax-S20 Solid Reactive
Core Type Asymmetric
Factory Finish 3000 Grit
Color Black / Blue

How It Compares

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Verified Bowler Reviews (56 reviews, 5.0/5 avg)

5.0out of 5

56 verified purchase reviews

100% of bowlers recommend this ball

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Bowlers Say

Bowlers praise the Rubicon as an exceptionally versatile asymmetrical ball that provides strong midlane read with smooth, controllable backend motion. It excels on medium to heavy oil conditions and offers great continuation through pins without being overly sharp. Many compare it favorably to the Idol series, noting it's stronger but more controllable than pure asymmetricals like the UFO.

AI summary of 56 verified purchase reviews

Bowlers frequently mention:

Trevor Roberts Aug 24, 2020

The brand new RotoGrip Rubicon is the first asymmetrical ball in the HP3 line. This means that it is not as early or strong as the asymmetricals you will find in the HP4 line. In my YouTube review, I compared the Rubicon to the Idol and found that they are very similar. To me, the main difference in these two balls is that the Rubicon rolls forward at the breakpoint while the Idol has more continuation to the left. This allows the Rubicon to be more controllable and predictable overall. I like that the Rubicon is not as strong as the UFO because I will be able to use this ball for more games in a tournament, and even move left and cover more boards. I can’t wait to throw this ball in some tournaments on harder patterns and see how good it is! Trevor Roberts 2016 PBA Southern Regional Rookie Of The Year Storm / Roto Grip Professional Staff Turbo 2N1 Grips Staff Member Right Handed Rev Rate: 440 Speed: 17 PAP: 5 1/2 up 13/16

Shaun Ciesielski Aug 26, 2020

The Roto Grip Rubicon is impressively strong yet predictable solid reactive ball in the HP3 Line. I drilled mine 5x4x2. Threw it out of the box 3000 finish. It reads the lane very nice, got through the heads fairly clean without reacting early at all. Starts to read the midlane, then transitioned smooth with a good strong backend when it got to the dry. It allows me to play in the heaviest part of oil on the lane on our 25ml house shot when most balls skid way to far. I was most comfortable around 18 at the arrows playing it tight in the oil, but I could easily move as far left as possible playing the deeper inside lane. Just stand left, throw right and it struck a lot. The deeper I played it still drove hard thru the pins. I loved it the most when I bumped it to the dry from anywhere inside, but it was still good on most pulled shots inside as long as I started deep. To me this ball fits between the my UFO and Wild Streak. Compared to the UFO it skids longer, stores more energy and has more angle on the backend. Compared to the Wild Streak it starts sooner in the midlane and is sharper on the backend. Hitting Power is tremendous just like practically every Roto Grip Ball. My PAP is 5-1/8 and 1/8 up. Usually around 16mph, I’d probably be classified between and tweener and cranker. See my ball review video on YouTube here: https://youtu.be/ZIkfFLc5c78

Casey Murphy Aug 26, 2020

Orientation: Right Handed Rev Rate: 400 RPM Speed: 16-17 MPH PAP: 4 ½ over and ½ up Location: Enterprise Park Lanes, Springfield MO Pattern: High Volume THS VLS Layout: 5 x 4 x 2 1/2 The Rubicon is a new “Asym Lite” from Roto Grip. This ball was designed with the new USBC rules in mind, by making the core slightly asymmetric. I love the result. The Rubicon picks up like an asym and backends like a symmetrical. The first couple of shots I threw, I didn’t understand the motion because my eyes weren’t used to seeing a ball pickup and then still tip. I’m going to LOVE the Rubicon.

Casey Mattingly Aug 26, 2020

For a straight solid reactive ball, this thing creates some angle! Although its an asymmetrical, it has very little asymmetry. It does though have enough asymmetry to provide a little extra torque that a symmetrical core isn't going to give. The straight solid e-trax S20, allows the ball to get down the lane, read the mids and give EXCELLENT down lane motion. This has similarities to one of my all time favorites...the CodeX! I drilled my first one 50x5x30 and I have already placed an order for a 2nd one so I can drill it pin down! Other balls on rotation: Parallax- 50x4-7/8x30 AstroPhysix- 50x4-7/8x30 IQ Tour Nano-50x5x30 Rubicon-50x5x30 Trend-50x5x30

Mike Bauer Aug 26, 2020

My Stats Right Handed Ball Speed: 17.5 mph Rev Rate: 325 PAP: 5 x1 up Ball Roto-Grip Rubicon Core: Rondure Cover: eTrax S-20 Surface: 3000 OOB Layout: 65 x 4.5 x 35 To say that the Rubicon was impressive would be an understatement. It was stronger than most HP3 balls I have thrown in the past, but the nice thing is that it was strong in the right place. It didn't hook early and bleed off energy so that allowed me to have a generous amount of miss room to the outside, while still maintaining enough strength to hook-up when I missed inside into the puddle. This was true for me on both house patterns, as well as sport, obviously the former having a wider margin of error. This ball was similar in motion to an Idol, however it was a decent amount stronger for sure. The nice thing is that the intermediate differential on the Rubicon post drilling falls quite similar to what the Idol does with a weight hole. So, if you are one of the people wondering what to do now that the extra holes have been outlawed, punching up one of these would be a good option for you. See my video and comparisons here: https://youtu.be/pUJTjlPiqaA Mike Bauer

Showing 1–5 of 42 verified reviews

Frequently Asked Questions

What oil condition is the Roto Grip Rubicon best for?
The Roto Grip Rubicon is designed for medium-heavy oil conditions. It features a reactive solid coverstock with a 3000 Grit finish, which gives it the surface traction needed to grip through heavier oil patterns.
Is the Roto Grip Rubicon good for beginners?
The Roto Grip Rubicon is a high-performance ball with high hook potential, which may be difficult for beginners to control. It's better suited for intermediate to advanced bowlers who have developed a consistent release. Beginners should consider an entry-level ball like the Brunswick Rhino or Roto Grip Hustle series first.
What is the RG and differential of the Roto Grip Rubicon?
The Roto Grip Rubicon has an RG of 2.49 and a differential of 0.052, with an intermediate differential of 0.011. The lower RG means it revs up earlier, creating an earlier roll in the midlane. The high differential creates strong flare potential and aggressive ball motion.
How much does the Roto Grip Rubicon cost?
The Roto Grip Rubicon is priced at varies by retailer. This is a competitive price point for a ball in its performance category. You can find it at BowlersMart.com with free shipping and 60-day returns.
What type of bowler should use the Roto Grip Rubicon?
The Roto Grip Rubicon is best suited for bowlers who want maximum flare potential and angular ball motion. With its reactive solid coverstock on medium-heavy conditions, it works well for medium to high rev rate players who need a ball that can handle oil and still make a strong move on the backend.

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