absoluteBLACK Round 104 BCD Chainring - 32t 104 BCD 4-Bolt Narrow-Wide Black. absoluteBLACK Round 104/64 BCD Chainrings are designed for use with all cranksets with a 104/64 BCD interface including Shimano SRAM RaceFace FSA and more. These chainrings allow you to run a 1x system without chain retention issues. 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.

The unique patent-pending narrow-wide tooth profile keeps the chain in place

The chainrings offset helps to create an ideal chainline

Provides exceptional reliability weight savings and stiffness