Rotor ALDHU 3D Track crank arms
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USA orders totaling $100 or more receive free shipping.
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⚠️ IMPORTANT NOTICE: Effective 10/14/22, the option for local pickup is unavailable because we are in the process of moving to a new location. Until our new retail store opens in early 2023, all orders placed online will be shipped.
Returns for eligible products are accepted within 30 days of the purchase date. Some exclusions apply.
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The newest technology from none other than the scientists at Rotor!
This updated version of the 3D Track crank begins with 3D CNC machining of top-tier 7075-aeronautic grade aluminum to ensure unmatched rigidity. The ALDHU also features a beefy new 30mm proprietary axle system that offers extremely stiff power - even more so that previous versions of the 3D Track crank.
Can be paired with any 144mm bcd track chainring of your choice (you do not need to use a Rotor chainring).
Includes arms, axle, disc spider & chainring bolts.
• 144mm bcd
• length: 165mm, 170mm
• chainline: 43.5mm
• Q-factor: 147mm
• required BB: Rotor BSA30 Track bottom bracket (sold separately)
• color: black
• actual weight: 539g (165mm arms, axle & disc)