Introducing the new Round Direct Mount Chainrings. The Direct Mount is CNC¡¦d from a block of 7075 aluminum to save more than 30 g over a standard chainring combo which, together with ALDHU crank arms, becomes ROTOR¡¦s lightest crankset ever. The ALDHU 3D+'s innovative modular structure makes each component individually available to accommodate the current spectrum of riders and bike standards.
Sizes: Available in 53/39, 52/36, 50/34
- OCP Mount
- Weight: 168g for 52/36