Turn your kayak into an efficient pedaling machine with the Wilderness Systems Helix PD Pedal Drive. Moving through the water with your hands-free to cast, reel or sip on your beverage is what makes the Helix PD the ultimate accessory for multi-taskers. Wilderness Systems innovative and patent-pending pedal drive system features a 6:1 gear ratio accommodates a 14 x 17, two-bladed, fixed pitch prop for an efficient and intuitive pedal system on the Radar series of kayaks. Maximum speed is achieved with less effort when the system is fully deployed. With their groundbreaking, auto-raising mast, Wilderness Systems Helix PD achieves zero draft with a spring-loaded kick pedal. Finally, with three phases of possible positioning, you can store the pedal drive further forward and out of your way if needed. The Helix PD comes complete with a hand-control steering knob to update your existing rudder kit so you can easily steer or hold your position. Spend your day on the water fishing as much as you want without the hassle of switching between your rod and paddle with the Helix PD Pedal Drive. Key Features Built to be used with the Radar 115 and Radar 135 Kayaks 14x17 two-bladed, fixed pitch prop Spring-loaded, auto-raising mast with kick pedal activation 3 position system features fully deployed, zero draft or fully stowed Rudder hand control option