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absoluteBLACK Oval Direct Mount Chainring for Shimano 12-Speed
August 15, 2025$94.95
Premium oval MTB chainring for Shimano 12-Speed direct mount cranksets
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absoluteBLACK Oval Direct Mount Chainring for Shimano 12-Speed
The absoluteBLACK Oval Direct Mount Chainring for Shimano 12-Speed is compatible with Shimano direct mount cranksets. It has a 3 mm offset and works with 12-speed Hyperglide+ chains. Made from 7075-T6 aluminum, the chainring is lightweight and stiff. Featuring a narrow-wide teeth profile and one of a kind special oval shape, this ring will make you ride faster while also increasing traction. Of course, it also looks amazing – like no other MTB chainring out there!
Advantages to aB Oval MTB Chainrings
- Excellent weight to strength ratio
- One of a kind special oval shape
- Greatly improves traction and climbing abilities
- Unique Patent Pending narrow-wide teeth profiles to keep your chain in place for minimum 12 months!
- Special 3D teeth machining for ultimate mud relief, decreased wear and noise
- Superb quality and great look
- Reduces stress on the knees
Compatibility
- Crankset: Compatible with Shimano direct mount cranksets: M9100, XT M8100, SLX M7100 and Deore M6100
- Chain: Compatible with Shimano 12-speed Hyperglide+ chains
Specs
- Colors: Black | Silver | Gold | Red
- Interface: Shimano Direct Mount
- Offset: 3 mm
- Ovality: Optimized to each size. Range of 10.2-14.4%
- Timing: Optimized to each size. Range of 110.5-116.3° after TDC (top dead center)
- Material: CNC machined 7075 aluminum
- Weight: 28T - 49 grams | 30T - 54 grams | 32T - 60 grams | 34T - 65 grams | 36T - 69 grams
Q&A
Have a question about this? Ask the staff.
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Dragon Rider (verified owner) –
I’ve been using AB oval chainrings sine 2016. Been a mounmtain biker since 1994. Everything you’ve heard or read about curing knee pain, improved cadence/pedaling efficiency, easier climbing, etc…its all true. But what is also most important to me is the longevity of these chainrings. Almost 7 years riding all kinds of terrain including snow and ice. 70 years old and over 43,000 miles pushing ovals and enjoying the benefits of this technology convinced me to upgrade my steed..history repeating itself..hence this review…Happy trails…
Power Meter City –
That is awesome, Dragon! These chainrings are really amazing! We hope you will continue to enjoy them! Ride safe!
R. Watchorn (verified owner) –
I have tried other brand oval chainrings on my bikes, and found the Absolute Black work best for my application. Long rides with the oval chainring ease the soreness in my knees/legs, and I found it easier to manage my cadence on tough climbs. PMC had the exact size and color I wanted, and I could not be more stoked!
Power Meter City –
Awesome! Thank you for this amazing review, R! If there is anything else we can do, please let us know! Ride safe!