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 specifically for a 50/34 combination – If only switching the inner chainring to oval, use all original crank bolts – 6.5% ovality is ideal for road climbing
