The same spider is used for the compact and standard chainrings, which boosts versatility as you hone the Dura-Ace chainrings that are right for your riding style.

- HollowTech II construction puts structural strength precisely where it's needed
- HollowGlide chainrings are durable and lightweight
- 11-speed compatible only, 53 teeth
- Features same bolt circle diameter as standard double cranksets, so one spider fits all chainring sizes