These aero rings are built for a 2x drivetrain to keep it sleek without giving up your front derailleur. You get all the benefits of stiff chainrings in a neat, clean-shifting, aerodynamic package, and the 110x4 BCD aligns with general industry standards for cross-brand compatibility. 

The 110 BCD 4-bolt asymmetric bolt pattern is compatible with all ROTOR modular cranks and power meters including 2INpower, INpower, , ALHDU, and VEGAST.

For peak aerodynamics and aesthetics, these rings are best paired with the .