- Inner and outer oval chainrings are optimized with smooth shifting in mind
- Features smooth angled surfaces, (6) up-shifting ramps (outer ring), and (12) dow
-shifting points (outer ring)
- Oval rings help the rider spin smoother and generate more power
- Example: 32t is equivalent to 30t at deadspot and 34t at the power zone
- Works with 2x chainring systems and do not require any modification to the front derailleur for use
- Compatibility: Compatible with Shimano Dura-Ace 9100 and Ultegra 8000 but will also fit DA9000/Ultegra 6800
- Designed in UK, manufactured in Poland

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Today's Stock Status

6 Available to ship in 2-4 Business Days

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UPC: Not available
EAN: 5110846003266
Manufacturer Part Number: ROV9100/50/4BK
AI5239 CR0667
131525-Q0-L

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