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Hillard mini bikes are one of the safest and high performing machines. Get the full range of high quality mini bike Hillard replacement spares at OMB Warehouse. One of our top selling mini bike Hillard parts is the heavy and Extreme duty clutch. The Hilliard centrifugal clutch provides automatic, gradual, cushioned engagement over a speed range on high-inertia loads. It smooths out and reduces starting current surge. Centrifugal clutches are slip-free at rated load and speed. They protect against overload by limiting torque, absorbing shock, and eliminating torsional resonance. Hilliard centrifugal clutches have soft transmission of power and load free starting. Hilliard's link less centrifugal clutches combine a dowel pin, vibration dampening bushing, and symmetrical spring design. The Hilliard Extreme Duty Clutch 3/4" Bore 35 Chain -12 Tooth centrifugal clutch can handle higher temperatures to offer longer clutch life. Specifications are Stock engagement at 2300 RPMs, Bi-Directional, can run clockwise & counter clockwise, Dissipates heat better, extending clutch life, Clutch is easily tuned for your specific need, Quick change spring and sprocket design, No special tools needed, Built-in internal keyway. It is necessary to use a crankshaft bolt for this clutch. Other benefits include soft starts, load-free starting, and overload protection.