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Revo 11.8 vs 12.4 vs 12.9: Which Diameter?

Updated Oct 15, 2026 · The LeaguePool Team

Order the REVO 12.4 unless you have a specific reason not to. Predator calls it "the right answer for most players" and says it's the most-used REVO diameter on the pro tour. Pick the 12.9 if you're coming from a 12.75 to 13mm maple shaft, hit hard, or want one shaft you can also break with. Pick the 11.8 only if your stroke is already precise and you like a thin, Z-3 style shaft.

All three cost the same $549 and come in the same five joints, so the choice is purely about how the shaft plays. The real differences are taper and squirt, plus two practical limits most comparisons miss: only the 12.9 can break, and the 11.8 doesn't come in 30 inches.

REVO 11.8 vs 12.4 vs 12.9 side by side

Price, joints (Uni-Loc Quick Release, Radial, 3/8x10, 5/16x14, 5/16x18), the ferruleless vault plate and the warranty are the same on all three. Sources: Predator's own REVO pages, plus Seybert's listing for the rise percentages.

What a half millimeter actually changes

Dr. Dave Alciatore's tip-size FAQ sums up the physics, and it lines up with Predator's descriptions.

• Squirt. A thinner shaft usually carries less mass at the tip, so it squirts less. That's why the 11.8 is Predator's lowest-squirt REVO and the 12.9 squirts a little more. The 12.4 has a 19-inch natural pivot length in Dr. Dave's 2019 test, the same as Predator's Z-2. Nobody has published the same measurement for the 11.8 or 12.9.
• Spin. A smaller tip doesn't make more spin. Dr. Dave is clear that the same contact point on the cue ball gives the same spin, whatever the tip. What a thin shaft can do is make it easier for some players to see and place a far-off-center contact point.
• Forgiveness. A larger, flatter tip is more forgiving of small placement errors near center ball and puts on less unintended side spin. That's the case for the 12.9, and the reason a wandering stroke gets punished harder on the 11.8. Players argue about how big the effect is, but nobody argues it runs the other way.
• Tip shape. Dr. Dave says the dime-versus-nickel radius only matters on very small tips. On an 11.8, ask for a dime-radius shape at the next retip.
• Bridge feel. A thin shaft can feel skinny in a closed bridge and loose in a big hand. This one is pure preference.

Squirt and tip size interact with your aiming method. For the bigger picture, see tip size explained and our low-deflection explainer.

REVO 12.4: the default

The 12.4 is the one we'd tell almost anyone to order online without hitting all three. Its low-rise pro taper holds nearly the same diameter through a normal bridge length, rising about 8% over the first 14 inches, so the shaft feels the same from address to follow-through. Predator points first-time carbon buyers and players coming from maple at this size, and its own page says it's what most REVO-playing pros use.

Coming from a 13mm maple shaft, the 12.4 feels a bit thinner and the squirt drops a lot. The squirt change is the bigger adjustment, and it's the same on all three REVOs. The diameter change is the smaller one, and it fades in a few sessions.

Predator's own trade-off for the 12.4 is that it's excellent at everything and optimized for nothing. For a league player who plays 8-ball, 9-ball and the occasional bar box tournament, that's the point.

REVO 12.9: for 13mm maple players and hard hitters

Predator calls the 12.9 its thickest and stiffest REVO and its most wood-like. The taper is the flattest of the three, about 5% rise over the first 14 inches, so it's closest to the straight, full shaft a lifelong 13mm player is used to.

Two practical reasons to pick it beyond feel:

• It's the only REVO Predator says you can break with. Predator still calls the BK-R break shaft and BK Rush cue the better tools for frequent breakers, but if you carry one cue, this is the size that allows it.
• It comes in 30 inches, as the 12.4 does, which helps tall players and anyone who bridges long. Our cues for tall players guide covers length.

What you give up is a little squirt; Predator says the heavier front end deflects slightly more than the 12.4, while staying far below maple. If you've played a Vantage or a 314-3 for years and like it, this is the REVO that won't fight your hands.

REVO 11.8: the precision shaft

The 11.8 is a different shaft, and not only because it's thinner. It uses a hybrid conical taper that Predator says was modeled on its Z-3 maple shaft and tested with its pro team. A conical taper widens steadily from the tip instead of staying flat for the first foot or so, so with a long bridge you'll feel the shaft getting thicker through your fingers during the stroke.

Predator rates it the lowest-squirt and most responsive REVO and aims it at intermediate and advanced players with established mechanics, especially rotation players who place the tip precisely. Its listed trade-offs are less raw power on hard hits and a whippy feel some players dislike. It isn't recommended for breaking and comes in 29 inches only.

Who should buy it: a Z-3 player moving to carbon, or someone who has hit an 11.8 and liked it. Who shouldn't: anyone who still miscues now and then or misses easy long shots. One AzBilliards owner went from the 11.8 to the 12.4 to the 12.9 before long shots felt right, which is a pricey way to learn your diameter.

Taper matters as much as tip size

Dr. Dave's taper FAQ defines a pro taper as one that keeps the same diameter for roughly the first 12 to 14 inches before widening, and a conical (European) taper as one that widens continuously. On the REVOs that plays out like this:

1. 12.9: the flattest rise, about 5%. Most like a classic American pro taper.
2. 12.4: about 8% rise. Still a pro taper, a touch quicker to widen. Predator says the two differ by about 3% over the first 14 inches.
3. 11.8: conical. Thin at the tip, noticeably thicker by your bridge on long shots.

If you use a long bridge or a closed bridge and like a shaft that slides through at one size, the 12.4 or 12.9 will feel more familiar than the 11.8, regardless of tip size.

Pick by the shaft you play now

Measure your current shaft with a caliper just behind the tip. Old maple shafts lose diameter every time they're sanded, so a shaft sold as 13mm is often less. Then use this table.

If you're still weighing carbon against other shafts, our carbon shaft picks and low-deflection shaft picks compare brands, and the REVO review covers price, retip rules and care.

Pick by game and stroke

• 9-ball and 10-ball with lots of english, and a stroke you trust: 11.8.
• League 8-ball and 9-ball, mixed shots, one cue for everything except the break: 12.4.
• Bar box with hard breaks and no separate break cue: 12.9, or a 12.4 plus a dedicated break cue.
• Big hands, a closed bridge and years on 13mm: 12.9.
• Still miscuing or still building a repeatable stroke: 12.4 at the thinnest. Our miscue guide covers the usual causes.

Trying sizes and adjusting to one

Predator suggests hitting demo shafts at a dealer or pro shop before you buy, and that's the best way to settle it. If you can't, the 12.4 is the safe order, and you can add a second diameter later: Predator confirms different REVO sizes swap on the same butt as long as the joint matches.

Give any new size several sessions before you judge it. Owners on AzBilliards describe settling in anywhere from a few hours to about two weeks, and the first hour with a new shaft feels wrong whichever way you moved.

Mistakes to avoid

• Sanding a REVO down to a smaller size. Predator forbids diameter or taper changes, says it releases carbon dust and voids the warranty, and lists minimum diameters (.468, .488 and .508 inch) so a repairer can check.
• Buying the 11.8 because a pro plays it. By Predator's own account, the 12.4 is the size most REVO pros use.
• Ordering a 30-inch 11.8. It doesn't exist; only the 12.4 and 12.9 come in 30 inches.
• Trusting an Amazon title alone. Some REVO listings name one diameter or joint in the title and another in the bullets.
• Breaking with a 12.4 or 11.8. Predator doesn't recommend it.

Sources

• Predator: REVO shaft diameter guide
• Predator: REVO FAQ (taper rise, breaking, 30-inch shafts)
• Predator: warranty (minimum diameters)
• Predator: shaft comparison (tapers, maple shaft sizes)
• Seybert's: Radial REVO listing (5% and 8% rise)
• Dr. Dave Alciatore: tip size and shape FAQ
• Dr. Dave Alciatore: cue taper FAQ
• Dr. Dave Alciatore: "The Carbon Fiber Shaft Craze," Billiards Digest, January 2019

Our picks

Links open the current selection and price on Amazon so you can compare real reviews before buying.

Predator REVO 12.4 Carbon Shaft, Radial

Most players

The size Predator recommends for most players, with the low-rise taper (about 8% rise over the first 14 inches) and a limited lifetime warranty against warpage. The title says Radial and one bullet says Uni-Loc Quick Release, so confirm the joint before ordering.

Amazon price: $549.00 as of 12:28 PM EDT. Price and availability can change; Amazon’s price at purchase applies.

Check price on Amazon →

Predator Revo 12.9mm Carbon Fiber Shaft

Coming from 13mm maple

The flattest-taper REVO and the only size Predator lets you break with. The listing title says 12.9mm Radial with a soft case and wipes, but a bullet repeats 12.4mm, so check the selected size.

Check price on Amazon →

Predator REVO 11.8 shaft

Precise, spin-heavy players

The conical-taper REVO modeled on the Z-3, with the lowest squirt in the lineup. Comes in 29 inches only, isn't meant for breaking, and rewards a stroke that puts the tip exactly where you aim.

Check price on Amazon →

NEIKO 6-Inch Digital Caliper

Measuring what you play now

Reads to a thousandth of an inch or in millimeters. Measure your current shaft behind the tip before choosing a REVO, and check a used one against Predator's minimum diameters.

Amazon price: $27.64 as of 12:10 PM EDT. Price and availability can change; Amazon’s price at purchase applies.

Check price on Amazon →

Frequently asked questions

Which REVO diameter should I buy?

The 12.4 for most players. Predator calls it the right answer for most players and the most-used REVO on the pro tour. Choose the 12.9 if you come from 13mm maple or want to break with it, and the 11.8 only if you have a precise stroke and like thin shafts.

What is the difference between the REVO 11.8 and 12.4?

The 11.8 is thinner, has a hybrid conical taper modeled on the Z-3 and the lowest squirt of the three, but it's less forgiving and some players find it whippy. The 12.4 uses a low-rise pro taper, is easier to adopt from maple and comes in 29 or 30 inches.

What is the difference between the REVO 12.4 and 12.9?

The 12.9 is thicker, stiffer and has a flatter taper (about 5% rise over the first 14 inches versus about 8%). It squirts slightly more but feels more like maple, and it's the only REVO Predator says can break.

Does a thinner REVO give more spin?

Not at the same contact point. Dr. Dave Alciatore notes that spin depends on where the tip hits the cue ball. A thinner shaft squirts less and may make far-off-center hits easier to place, but it doesn't add spin by itself.

Which REVO sizes come in 30 inches?

The 12.4 and 12.9. The 11.8 is 29 inches only.

Can I use different REVO diameters on the same butt?

Yes. Predator says any REVO size fits the same butt as long as the joint matches.

Can I sand a REVO 12.4 down to 11.8?

No. Predator forbids changing the diameter or taper, says it releases carbon dust and voids the warranty, and sets minimum diameters of .468, .488 and .508 inch for the three sizes.

How long does it take to adjust to a new REVO size?

Owners report anywhere from a few hours to about two weeks. Give it several sessions before you judge it. If you're coming from regular maple, the drop in squirt takes longer to absorb than the change in size.

Related guides

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• Best Break Cues: Top Break Cue Sticks, Weight and Tips
• Best Jump Cues: Predator Air II, Cuetec Propel and More
• Best Budget Carbon Fiber Pool Cue Shafts (2026)

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