absoluteBLACK Premium Oval 145 BCD Road Outer Chainring for Campagnolo - 53t, 145 BCD, 4-Bolt, Black

absoluteBLACK Premium Oval 145/112 BCD Road Chainrings utilize absoluteBLACK's top-tier design features to greatly improve traction and speed. They are designed for Campagnolo Super Record, Record, and Chorus 4-bolt cranks. Optimized with smooth shifting in mind, premium chainrings have a patented shifting ramp design. Chainrings are crafted from CNC machined 7075 aluminum, and feature an anodized finish for exceptional durability.

Features

• 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
• 11 and 12-speed compatible
• Use original bolts for installation
• 10-11.2% ovality is ideal for road climbing
• 90g