absoluteBLACK Premium Oval 112 BCD Road Inner Chainring for Campagnolo - 39t, 112 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.