The ROTOR ALDHU 24 crank arms form the basis for road, cyclocross and triathlon drivetrains. With a 170 mm crank arm length and a modular 24 mm axle system, they can be combined with compatible ROTOR components to create a suitable crankset.

Made from 7055 aluminum, the crank arms are designed for sport use. The modular ALDHU 24 system allows you to combine them with a suitable axle and compatible Direct Mount chainrings or spiders.

Key features at a glance:

• Manufacturer's weight: 355 g for the 170 mm crank arm pair
• Modular design, compatible with ROTOR ALDHU24 crank axles
• OCP Mount for precise alignment of oval Q-Rings

Technical specifications:

• Manufacturer: ROTOR
• Model: ALDHU24
• Product type: Crank arm pair (left and right)
• Intended use: Road, cyclocross, triathlon
• Crank arm length: 170 mm
• Axle system: ROTOR ALDHU24 with a 24 mm crank axle diameter (axle sold separately)
• Chainring mount: ROTOR Direct Mount or compatible ALDHU24 spider systems
• Configuration: 1x or 2x with corresponding chainring components
• Material: High-strength, CNC-machined aluminum
• Technology: Trinity Drilling / OCP Mount
• Q-factor: 148 mm with the appropriate standard axle
• 2x chainline: 43.5 mm with the appropriate standard axle
• Color: Black

Compatible with:

• ROTOR ALDHU24 crank axles with a 24 mm diameter in the appropriate version
• Suitable ROTOR Direct Mount chainrings and ALDHU24 spider solutions for 1x or 2x drivetrains
• Compatible with 24 mm axles, depending on the frame and bottom bracket standard

Included:

• 1x ROTOR ALDHU24 right crank arm, 170 mm
• 1x ROTOR ALDHU24 left crank arm, 170 mm
• without crank axle
• without chainring / chainrings
• without spider
• without bottom bracket
• Packaging: Factory-sealed

Manufacturer part number: C02-108-19010-0 | EAN: 8434366014289

A flexible ROTOR base for a precisely tuned road and triathlon drivetrain.