absoluteBLACK Premium Oval Chainrings for Shimano
June 23, 2022$61.99 – $246.97
The most premium oval chainrings on the market!
absoluteBLACK Premium Oval Chainrings for Shimano
The absoluteBLACK Premium Oval Chainrings for Shimano are specifically designed for DURA-ACE 9100, Ultegra R8000 and 105 R7000 cranksets. Featuring fast shifting and smooth pedaling, these 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
These chainrings are compatible with Shimano DURA-ACE 9100, Ultegra R8000 and 105 R7000 cranksets. They are 10-, 11- and 12-speed compatible.
IMPORTANT – 34T inner chainring is not compatible with Quarq and power2max power meters.
Specifications
- Ovality: 34T - 6.5% | 36T, 39T - 11.4% | 50T, 52T, 53T - 10-11.2%
- Timing of 108 - 110.5° after TDC (top dead center)
- CNC machined 7075 aluminum
- Weight: 34T - 31 grams | 36T - 37 grams | 39T - 42 grams | 50T - 120 grams | 52T - 137 grams | 53T - 139 grams
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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!