• Rotor 3D24 Track Crank

Rotor is bringing track cranks into the 21st century with their 3D24 Track Crank. While most designs for the banked oval rely on traditional bottom brackets and melt-forged arms, Rotor takes everything they learned on the road and applies it to the track.

The arms are made of 7055 aluminum and are CNC-machined and milled to remove all excess weight. The arms are actually hollow with three long channels running the length of each arm. This is the Trinity Drilling System and the size and shape of arms mean they don’t flex even though they’re really light.

The spider is a solid disc with 144mm bolt circle diameter. It’s solid to improve aerodynamics and increase rigidity. The bcd is traditional track, so you can install any standard single ring, though Rotor has their on NoQ track rings that are designed to complement the crank.

The axle is 24mm in diameter and made of steel. It is compatible with any threaded bottom bracket, be it English or Italian. It even works with competitors’ 24mm inner diameter bottom brackets. The crank is secured with the Double Thread Technology pinch bolt on the left arm. The dual threading means that both sides are threaded and the “neutral” position is actually closed, not open, which means the bolt and arm get less stress than if it were manufactured in the open position. Use the pre-load bolt to remove play, then tighten down the pinch bolt to spec, and it’s set to go.

The Rotor 3D24 Track Crank handles your torque, accelerates easily and slices through the wind; a great performance boost in a discipline that is notoriously resistant to change.

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Rotor 3D24 Track Crank

  • Brand: Rotor
  • Product Code: sg75
  • Availability: In Stock
  • $357.00
  • $230.00

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