absoluteBLACK Premium Oval 110 BCD Road Chainrings utilize absoluteBLACK's top-tier design features to greatly improve traction and speed. They are designed for Shimano Dura-Ace 9100, Ultegra 8000 & 105 R7000 4-bolt cranks only. Optimized with smooth shifting in mind, premium chainrings have a 6-point ramp and recess design. Chainrings are crafted from CNC machined 7075 aluminum, and feature an anodized finish for exceptional durability.

• Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding
• Chainring design reduces the possibility of leg cramps, and allows you to maintain a better cadence while climbing
• 10, 11, and 12-speed compatible
• Ramps are designed for specifically for a 52/36 combination
• If only switching the inner chainring to oval, use all original crank bolts
• 11.4% ovality is ideal for road climbing