Replacement Part for lost or Damaged Tension Knobs on Smart Track Hybrid Foil Model Rudder Rear Assembly. Hybrid Foil have a wider rear assembly so this tension knob has a much longer shaft than the standard version Tension knob used on the Smart Track “Original” rudder blades. Shaft Length is approx 3cm and has 2 locking pins on the face to hold it in position once it has been twisted to tension the Rudder Blade spring. Does not Fit Original Foil Rudder systems (Race, Ski, Flow, X2 Original etc.). Made of Plastic MPN: 20-431 Smart Track Hybrid Foil is found as OEM equipment from some brands including P&H Sea Kayaks (Valkyrie etc.) and Stellar kayaks. It should be clearly marked with the name Hybrid Foil on one of the side cheeks on the rudder blade housing (see images). Hybrid Foil Rudders rear assemblies are made of plastic rather than metal.
