absoluteBLACK Oval 110 BCD 1x Chainrings for Cyclocross are designed for all Shimano 4-bolt cranks such as Dura-Ace 9100, 9000, Ultegra 8000, 6800 and more. The specially designed narrow-wide tooth profile keeps the chain snug, allowing you to leave your chain keeper in the garage. They are crafted from CNC machined 7075 aluminum, and feature an anodized finish for exceptional durability. Ovality has been optimized for each chainring size, ranging from 10.5 - 11.4%, with timing of 112 - 113° after TDC (top dead center).
Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding
Teeth have been 3D-machined for ultimate mud shedding and quieter operation
The unique patent-pending narrow-wide tooth profile keeps the chain in place
Provides excellent weight to strength ratio
Chainring bolts are included