absoluteBLACK Oval 76 BCD Chainring Rotor - 30t 76 BCD 4-Bolt Narrow-Wide BLK MPFN-SCH020174N0100 Same light shifting operation as

Same light shifting operation as top tier systems

Crafted with steel for added longevity

providing better control and a better transition to the bar

Not intended for high-torque applications

absoluteBLACK Oval 76 BCD Chainring Rotor - 30t 76 BCD 4-Bolt Narrow-Wide BLK MPFN-SCH020174N0100 Same light shifting operation asabsoluteBLACK Oval 76 BCD Chainring for Rotor 30t 76 BCD 4 Bolt Narrow Wide Black. absoluteBLACK Oval 76 BCD Chainrings are designed for Rotor REX cranksets with their original 1x spider. Lighter and more stiff than original chainrings these provide a super smooth pedaling sensation. 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