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Absolute Black Race Face Oval Cinch Direct Mount Traction Chainring

$67.99

Item # ABC0004

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  • Red, 26t ($67.99)
  • Red, 28t ($67.99)
  • Red, 30t ($67.99)
  • Red, 32t ($67.99)
  • Red, 34t ($67.99)
  • Black, 26t ($67.99)
  • Black, 28t ($67.99)
  • Black, 30t ($67.99)
  • Black, 32t ($67.99)
  • Black, 34t ($67.99)
  • Green, 26t ($67.99)
  • Green, 28t ($67.99)
  • Green, 30t ($67.99)
  • Green, 32t ($67.99)
  • Green, 34t ($67.99)
  • Gold, 26t ($67.99)
  • Gold, 28t ($67.99)
  • Gold, 30t ($67.99)
  • Gold, 32t ($67.99)
  • Gold, 34t ($67.99)
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Item # ABC0004

Oval is the new round.

While we can't verify any particular company's claims of having the best oval shape to optimize pedal stroke, it's always good to have options. Enter the Absolute Black Race Face Oval Cinch Direct Mount Traction Chainring. Claiming improved rear wheel traction as a result of more consistent power throughout the pedal stroke, Absolute Black manufactures each chainring size with its own patented oval profiles for smooth rotation. Made to pair with the Race Face CINCH system, this chainring mounts directly onto the crank and comes in a variety of colors to add some flair to your drivetrain.

Tech Specs

Material:
CNC machined 7075 Txxx aluminum
Number of Rings:
1
Teeth:
26 t, 28 t, 30 t, 32 t, 34 t
Connection:
direct-mount
Compatible Components:
Race Face CINCH cranksets
Claimed Weight:
[26t] 52 g, [28t] 54 g, [30t] 58 g, [32t] 62 g, [34t] 69 g
Recommended Use:
mountain bike
Manufacturer Warranty:
limited lifetime

Reviews & Community

REVIEWS

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Avg. ride time: 25m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

It's not round

  • Familiarity: I've put it through the wringer

The ring feels really awkward for the first 15 minutes of the first ride, but then you adapt and power up climbs. I rode this at the Breck Epic and it felt really smooth on the super steep climbs. Not sure it makes a difference on the flats as much as the climbs.

Great product, slight learning curve

  • Familiarity: I've used it several times

This is the 28 tooth which replaced a 28 tooth round on my RaceFace Next SL, non-boost.
1. Because it's oval, the rear D will oscillate back and forth a bit. Before use, I made sure the clutch was properly serviced and the set up worked great. No shifting problems at all.
2. All sizes are +2 teeth at the 3 o'clock/9 o'clock position and -2 teeth at the 12 o'clock/6 o'clock position. Chain length is the same as on a round chainring of the same size, so I didn't have to adjust that.
3. No noticeable surging when pedalling.
4. On a 28 tooth, you are pushing 30 teeth at the 3/9 line and I noticed that on very tight climbing switchbacks, there was a tendency at first to go a bit too fast compared to what I was used to. It only took a couple of rides to get used to that.
5. You definitely accelerate faster on the oval chainring. Might be particularly nice on a 29er.
6. I seem to be less tired on comparable rides.
7. I also seem to shift gears a bit more. I suspect the "sweet spot" of cadence may be narrower.

The chainring works great, I'm fast....and happy with it. I think it may take a dozen or so rides to really take advantage of it, but it feels natural on the very first ride.

Nice!

  • Familiarity: I've used it several times

Been a few weeks use with a new 1 x 11 drivetrain. Didn't even notice the change from my previous round ring. Well designed and executed! Particularly like that they sell a 26T elliptical, since I wanted the same ratio as my previous setup. This 26T together with an 11-42 works great!

Unanswered Question

Can I use the E.Thirteen Trs+ Chainguides on this Chainring?

Smooth Pedal Stroke & Great Traction

  • Familiarity: I've used it several times

Setting up the chainring was a breeze once I had the correct crank puller. After I installed my new gold oval chainring, I went down and hit the Slaughterpen trails in Northwest Arkansas. I immediately noticed that my pedal stroke felt much smoother. After a couple of techy and steep climbs, I quickly began to notice the subtle increase in traction. In climbs where my rear tire would usually start slipping, I suddenly had more traction and was able to climb through it. Maybe this is just in my head, but I also felt like my legs weren't as fatigued at the end of the day compared to my previous chainring. So basically if you're in the market for a new chainring, I would highly recommend the Absolute Black Oval ring. If you buy one and don't notice a difference, it was only $70!

Great traction

  • Familiarity: I've used it several times

Works really well, smooths out my pedal stroke and makes it easier to get good traction on steep, techy climbs. Mounts great to my RaceFace crank. Only issue I had is I tried to retrofit this one to a boost bike, and it was way too close to the chainstay. Absolute Black makes a separate one for Boost bikes, and we have it in stock.

Unanswered Question

Hi, is this the updated version with the 49mm chainline?

Hi, is this the new model with the offeset for improved 49mm chainline?
The old model had a 52mm chainline.

Thanks,
John

Hi John, These are the newer 49mm offset chainrings.

Consistent Power

  • Familiarity: I've used it several times

I am running this ring on my rigid single speed and aside from the setup being a little different than what I am used to, it works really well.

On my first ride, I noticed an obvious variance in my pedal stroke and feedback, but by about an hour into the ride I seem to have adapted to it and I no longer noticed any irregularity. I did notice an improvement in the way I was delivering power to the rear wheel. More consistent power throughout the pedal stroke, it seemed like I was able to get through the dead spot, or weaker point in the stroke more quickly, allowing me to stay in the power. I also noticed better traction, likely as a result of the more consistent power to the rear wheel.



Setting it up, since it is an oval ring on a single speed with no chain tensioner it took a little extra attention. Initially I had just a little too much chain tension and had noticeable resistance at one part of the stroke where the most tension was on the chain. By backing off of the tension just a little the problem was solved.

I would recommend this chainring, it is worth a try and if you need to replace your ring, why not. I will continue running it, and when it eventually wears out, I will buy another Absolute Black oval ring.



Any Questions about this chainring?

Hit me up: fdalmer@backcountry.com

Consistent Power

Will this work on a bike with a boost axle?

Hi Luke,



There is a Boost version of this chainring that Absolute Black makes, but we do not currently have the Boost version in stock.

Avg. ride time: 1h 27m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Great Upgrade for Your Bike

  • Familiarity: I've put it through the wringer

I really like the elliptical ring. I think my pedal stroke feels smoother and I can last a little longer before having to gear down. I am not noticing a huge advantage, but definitely no disadvantage. If you are in the market for a new ring, go for it!

Avg. ride time: 2h 23m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

1x + elliptical ring = sweetness

  • Familiarity: I've put it through the wringer

I've logged over 5,000 singletrack miles the last few seasons using an elliptical ring and have yet to drop a chain. I'm a huge fan of the rings in this application, but admittedly most of those miles have been on a Rotor setup - crank & ring combo. It was flawless.

So when I recently got a new whip, and my Rotor crank wouldn't fit, I was pretty bummed, and had to look for a new solution. Absolute Black nailed it, and after a couple hundred miles, I'm all smiles, and likewise have yet to drop a chain.

In all fairness, the pedaling has slightly more feedback on this ring than I had experienced with the Rotor -- it's not enough of an issue to reconsider my build, but worth mentioning.