Rope Works, Inc
Robertson SR 71 Double Sheave Trolley
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The SR-71 is a proven performer for zip line operations. 304 stainless steel, machined axles, with back up bolt. The sheaves are case hardened to a 56-58 Rockwell and spin on ball bearings to provide excellent wear characteristics. Built to accept two carabiners. This is one of the most popular zip line trolleys ever made. The SR 71 is rebuildable by the manufacturer when required.
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We process all equipment requests through our online store. If an item you need is not currently listed online or is marked as "low inventory" or "out of stock", please add an order note in the "Order Special Instructions" field at check out and we will look into sourcing the equipment for you. If you only have a custom request, please contact us.