AbsoluteBLACK Premium Road Oval Chainring - Black - 34T - Inner

The AbsoluteBLACK Premium Road Oval Chainring is designed for pre-2014 5-bolt cranks including Shi...

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Merlin CyclesAbsoluteblack Black Absolute Premium Road Oval 110/5Bcd Chainring - / 34 / 5 Arm, 110Mm / 10 Speed / Inner
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Product Information

Full details

The AbsoluteBLACK Premium Road Oval Chainring (34T) is designed for dedicated cyclists using pre-2014 5-bolt cranksets who want to improve their pedaling efficiency and reduce knee strain. By utilizing a 6.5% ovality profile, it helps riders maintain a smoother, more efficient cadence, particularly on steep climbs, though users should note this specific model is an inner ring and requires an existing 5-bolt compatible crank system.

All features

Model Part NumberROV34/5BK
BrandAbsoluteBLACK

Extended Product Information

FAQs

Is this chainring compatible with 12-speed drivetrains?

This model is specifically optimized for 10 and 11-speed drivetrains.

Do I need special bolts to install this?

No, you can typically reuse your original crank bolts when performing this replacement.

Will this fit a Shimano Dura-Ace 9000 crank?

No, this model is designed for pre-2014 5-bolt cranks like the 7950 series, not the newer 4-bolt designs.

What is the primary benefit of the 6.5% ovality?

The ovality is designed to reduce knee stress and allow for a more efficient, smoother cadence.

Can I use this as an outer ring?

No, this is specifically designed to function as an inner chainring.

Troubleshooting

Difficulty shifting between chainrings

Check your front derailleur height and alignment; the oval shape may require slight adjustments to the derailleur cage position.

Noise or clicking during pedaling

Ensure all chainring bolts are tightened to the manufacturer's recommended torque specification and that the ring is seated flush against the crank spider.

Pros and Cons

Pros

  • Reduces knee strain during high-torque climbing
  • High-quality CNC-machined aluminum construction
  • Consistent shifting performance via ramp and recess design
  • Compatible with a wide range of legacy 5-bolt cranksets

Cons

  • Limited to pre-2014 5-bolt crank designs
  • Oval chainrings require a brief adaptation period for some riders
  • Functionally limited to use as an inner chainring

Setup, Compatibility & Care

To install, ensure your crankset is a 5-bolt model with a 110mm BCD. As this is an inner ring, you can often retain your existing crank bolts during installation. When mounting, ensure the timing marks align correctly with your crank arm according to the manufacturer's specification. For maintenance, keep the chainring free of excess debris and ensure your chain is properly lubricated, as the ramp and recess patterns rely on clean movement for optimal shifting speed. Regularly check for chain wear, as a stretched chain can accelerate wear on the aluminum teeth.

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