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absoluteBLACK Premium Oval Chainrings for Shimano 8000/9100
August 18, 2025Price range: $65.95 through $273.85
Premium oval chainrings for Shimano 8000 and 9100 cranksets
We offer free shipping on orders in the U.S. of $75 or more.
We also ship fast! In stock orders placed before 4 pm PT almost always ship the same day!
Shop with confidence! We offer a simple, 30-day policy where you can return new, unused items for a refund, exchange or store credit.
absoluteBLACK Premium Oval Chainrings for Shimano 8000/9100
The absoluteBLACK Premium Oval Chainrings for Shimano 8000/9100 are specifically designed for DURA-ACE 9100, Ultegra R8000 and 105 R7000 cranksets. Featuring fast shifting and smooth pedaling, these chainrings will make you ride faster while also increasing traction. They are the most premium oval chainrings on the market!
Advantages to aB Road Oval Chainrings
- One of a kind special oval shape that helps you climb easier and faster
- 15%+ stiffer than ROTOR Q-rings
- Bespoke 6-point ramp and recess shifting design shifts better than any other brand and model of oval chainring
- Smoother pedaling action
- Reduced stress on knees and helping your legs remain fresher for longer
- You will be able to maintain better cadence while climbing
Chainring Bolts
You may order these chainrings with or without chainring bolts. Available bolts are:
- Shimano DURA ACE 9100: absoluteBLACK DURA-ACE 9100 Chainring Bolt Covers (please see image above)*
- Shimano Ultegra R8000: absoluteBLACK Ultegra R8000 Chainring Bolt Covers (please see image above)*
- All other cranks: ROTOR Road Chainring Bolts
* These are move expensive but they are designed specifically for Shimano cranks and they cover the small step down between chainring and the crank arms, completing the entire look of the crank.
Compatibility
- Crankset: These chainrings are compatible with Shimano DURA-ACE 9100, Ultegra R8000 and 105 R7000 cranksets
- Chain: These chainrings are 10- and 11-speed compatible
Does not fit Stages Dual-Sided cranksets.
50/34 does not fit Quarq and power2max power meters.
Specs
- Color: Black
- BCD: 110x4
- Speeds: 10- and 11-Speed
- Material: CNC machined 7075 aluminum
- Ovality: Optimized to each size. Range of 34T - 6.5% | 36T, 39T - 11.4% | 50T, 52T, 53T - 10-11.2%
- Timing: Optimized to each size. Range of 108 - 110.5° after TDC (top dead center)
- Weight: 34T - 31 grams | 36T - 37 grams | 39T - 42 grams | 50T - 120 grams | 52T - 137 grams | 53T - 139 grams
Q&A
Have a question about this? Ask the staff.
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THIS PRODUCT IS FREQUENTLY BOUGHT WITH
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Wolf Tooth WT-1 Chain Lube$18.95Premium synthetic chain lubricant plus a drivetrain treatment in one bottle! -
CeramicSpeed UFO DripOriginal price was: $24.00.$19.20Current price is: $19.20.The best chain lube we've ever used - PMC staff favorite
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Wolf Tooth WT-G Precision Bike GreasePrice range: $7.95 through $24.95All-purpose bike grease for your cycling-specific needs -
DURA-ACE/XTR-level chain. Compatible with road and MTB 11-speed drivetrains and e-Bikes
oscaram (verified owner) –
They work great, shifts super smooth like the original chainrings; and the looks and durability are great, these are my second pair of aB for road, many more in MTB; super quality!
Power Meter City –
Awesome! We hope you will continue to enjoy your new aB chainrings! Let us know if there is anything else we can help you with. Ride safe!
Alex (verified owner) –
These chainrings are excepcional, not only looks great with their cover bolts, it feels amazing. Pedaling is smoot, and makes every watt count (My setup, SRAM cranks, Quarq spider power meter and Absolute Black oval chainrings).
Power Meter City –
Looks amazing, Alex! Thank you for this kind review. If there is anything else we can do, please let us know!