NEW Dura-Ace 54-42T Chainrings

NEW Dura-Ace 54-42T Chainrings Introduction

BRAND NEW matched set of Shimano Dura-Ace FC 9000 54-42ME chain rings. 11-speed compatible. DESCRIPTION Shimano's ultra-sleek Dura-Ace FC9000 11-speed chainrings feature their 4-arm design and takes stiffness and weight savings to new levels. 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. Uses advanced HOLLOWTECH II technology and a 4-arm design to reduce weight while maintaining efficiency. An improved chain guide provides surefire shifting and decreased chain drop. It uses a 110mm pitch circle diameter. HollowTech II construction puts structural strength precisely where it's needed. HollowGlide chainrings are durable and lightweight.