Robertson SR-71 Zip Trolley

Robertson SR_71.jpg
Robertson SR_71.jpg

Robertson SR-71 Zip Trolley

152.95

The SR-71 is a proven performer for zip line operations.; built from .101 thick 304 stainless steel. Unlike the competition it is assembled using machined axles which may cost more but give the SR-71 zip trolley unparalleled structural integrity. The SR-71 zip trolley uses an additional back up bolt should there ever be a catastrophic failure during use. 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 completely rebuildable when required.

3/8" & 1/2" cable pulley

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