Compatibility with all ROTOR 30mm axle cranks including Inpower. Illiminates need for the 11mm spacers. Bearings in cups are closer to the crank arms to illiminate unsupported axle weight which helps stop creaking..

All Rotor 30mm Axle Cranks.Including:
New generation Direct Mount Cranks and PowerMeters

ROAD:
Aldhu30, Vegast, 2Inpower, Inpower.