The Rotor Aldhu 30 Carbon Crank Arms Direct Mount 165mm are built for riders who want maximum power transfer with minimal weight. Designed around Rotor’s 30mm axle platform, the Aldhu Carbon arms deliver exceptional stiffness and efficiency while keeping your build race-light and clean.

Constructed from high-modulus carbon fibre with an alloy spine reinforcement, these crank arms strike the perfect balance between strength and responsiveness. The Direct Mount interface allows seamless pairing with Rotor chainrings, including Q Rings or round rings, giving you a streamlined setup with precise shifting performance.

At 165mm length, these cranks are ideal for riders seeking improved cadence efficiency, reduced hip angle strain, and optimised bike fit — particularly popular for criterium, road racing, and performance-focused builds.

Whether you’re chasing podiums or refining your dream build, the Aldhu 30 Carbon crank arms deliver pro-level performance with Rotor’s signature engineering precision.

Key Features

• 165mm crank arm length

• High-modulus carbon fibre construction

• 30mm axle platform compatibility

• Direct Mount interface for Rotor chainrings

• Lightweight and race-ready stiffness

• Compatible with round and Q Ring chainrings

Specifications

• Model: Rotor Aldhu 30 Carbon

• Length: 165mm

• Spindle Compatibility: 30mm axle system

• Mount Type: Direct Mount

• Material: Carbon fibre with alloy reinforcement

• Intended Use: Road / performance cycling