Product Description
Asymmetrical 4-bolt 110BCD oval chainrings are designed for Shimano Dura-Ace 9000, Ultegra 6800, Shimano 5800 and other cranks with an asymmetric 4-bolt 110BCD- 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- Narrow-wide tooth profile keeps the chain snug, allowing you to leave the chain guide behind- Designed in UK, manufactured in Poland