Browsing Qualifying Items for Summer 2024 :: Ergon
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Absolute Black Road & Track Chainrings
- Shimano Dura-Ace 9000, Ultegra 6800, Shimano 105 5800, Tiagra 4700. Compatible with Di2 & Pioneer, SRM and other power meters
- Inner and outer oval chainrings are optimized with smooth shifting in mind
- Features smooth angled surfaces, (6) up-shifting ramps (outer ring), and (12) down-shifting points (outer ring)
- Oval rings help the rider to spin smoother and more efficiently
- Example: 32t is equivalent to 30t at dead spot and 34t at the power zone
- Works with 2x chainring systems and does not require any modification to the front derailleur for use
- Designed in UK, manufactured in Poland
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item # |
model |
ring type |
speed |
mount |
teeth |
oval/round |
color |
in stock? |
AI5202
|
Premium Oval |
inner |
2x9/10/11sp |
4x110mm |
34 |
oval |
black |
YES |
AI5212
|
Premium Oval |
inner |
2x9/10/11sp |
4x110mm |
36 |
oval |
black |
YES |
AI5222
|
Premium Oval |
outer |
2x9/10/11sp |
4x110mm |
50 |
oval |
black |
NO |