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Absolute BlackShimano Oval Traction Chainring

$63.99 - $78.99

Item # ABC000A

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  • Black/96 BCD (M9000 XTR), 30t ($74.99)
  • Black/96 BCD (M9000 XTR), 32t ($74.99)
  • Black/96 BCD (M9000 XTR), 34t ($74.99)
  • Black/96 BCD (M8000 XT), 30t ($78.99)
  • Black/96 BCD (M8000 XT), 32t ($78.99)
  • Black/96 BCD (M8000 XT), 34t ($78.99)
  • Black/96 BCD (M8000 XT), 36t ($78.99)
  • Red/96 BCD (M8000 XT), 32t ($63.99)
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Item # ABC000A

Ride oval.

Designed to pair with your Shimano XT or XTR crankset, the Shimano Oval Traction Chainring brings claims of improved rear wheel traction resulting from a more consistent pedal stroke. Absolute Black claims that this oval profile maximizes power transfer and smooths the rotation by reducing dead spots and capitalizing on the sweet spots compared to standard round rings. Each chainring size features its own unique oval profile, but the mud-clearing and chain-retaining narrow-wide tooth profile is universal across sizes.

  • Oval chainrings for Shimano XT and XTR cranksets
  • Unique shape increases pedal efficiency and traction
  • Lightweight and durable aluminum construction
  • Narrow-wide tooth profiles improve chain retention
Tech SpecsWeight
Tech Specs
CNC machined 7075 aluminum
30t, 32t, 34t, 36t
Bolt Circle Diameter
4-bolt, M8 regular "double" bolts
Compatible Components
Shimano M8000 XT, Shimano M9000 XTR
Recommended Use
mountain bike
Manufacturer Warranty
limited lifetime

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

Have questions? Chat with a Gearhead



Black/96 BCD (M9000 XTR), 30t
Black/96 BCD (M9000 XTR), 32t
Black/96 BCD (M9000 XTR), 34t
Black/96 BCD (M8000 XT), 30t
Black/96 BCD (M8000 XT), 32t
Black/96 BCD (M8000 XT), 34t
Black/96 BCD (M8000 XT), 36t
Red/96 BCD (M8000 XT), 32t

Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

[30t] 44g, [32t] 50g, [34t] 60g, [36t] 69g

Reviews & Community


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Varying Quality / Experiences

    I put a pair of these on my road bike and absolutely love them. I loved them so much that I spent hundreds of dollars to put one on my commuter. Worst decision ever. I throw my chain ALL THE TIME. It varies. Sometimes I'll go a whole week without throwing the chain. Today, on my 2.5 mile commute, I threw the chain three times, which is what spurred me to write this review. I've had the bike professionally tuned and adjusted twice. It doesn't help. If anything, it makes it worse.

    AB's customer service on the issue wasn't helpful either. They acknowledged that their rings aren't designed to keep the chain on "but we're working on it" they said. In the meantime, they suggested taking a link out of the chain to increase the tension. If anything, that only made it worse.

    I might recommend these for a road bike with a tight derailleur, but not on anything else. It's a shame. I do love them on my road bike, and conceptually, they SHOULD be awesome on a MTB or cross bike where they would improve traction. Hopefully you'll have better luck than I did.

    Unanswered Question

    Will this fit Shimano SLX? I think it's M7000?

    Up and over everything!

    • Familiarity: I've used it once or twice and have initial impressions

    I just got this ring and it does make a difference on those techie climbs and areas where you need to throw the hammer down to make it over an obstacle. I haven't noticed the ring's oval profile while I'm pedaling at a steady cadence and it definitely doesn't affect my knees like those previous generations of oval chainrings. The jury is still out on the longevity of this product but the machining quality is self evident when you see this ring in person. My initial impression of this ring is a definite grade A!

    Works great!

      It feels as though I have picked up a lower gear for climbing with no sacrifice in the higher gears.