Null Winds Technology - Direct Sales
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Spoke Fins

Patent US 9,290,041

  • Streamline Round Spoke to Eliminate 70% of Drag
  • Swivel like Wind Vane for Greater Stability in Winds
  • Smooth Vibration @ Speed for more Secure Ride

AEROCROSS Pro-Train wheels with aerodynamic SPOKE FINS swivel about the spoke like a wind vane for a smooth fast ride that is remarkably stable in crosswinds. Hand-built by Pro-Lite, strong alloy wheels with patented SPOKE FINS streamline spokes into self-aligning aero spokes to reduce spoke drag more than 3X against any crosswind.

Summary: https://www.dropbox.com/s/dfm7wbeb9ibrksa/Fin%20Insert%205x7%20Rev4-p1.pdf?dl=0

Installation: https://www.dropbox.com/s/01mv118p6f2f5zl/Fin%20Insert%205x7%20Rev3-p2.pdf?dl=0