Lightweight Top Sheaves

The TIS Lightweight Top Sheave and Bracket sub-assembly comprises of a lightweight composite sheave wheel, bracket and bearings. Composite spring loaded wire keeper blocks prevent the wire from jumping out of the wheel when rigging up. Sheave bracket bearings allow the sheave to rotate to line-up with the bottom pulley. The sheave bracket is mounted to the stuffing box on adjustable heavy duty taper roller bearings which are fitted with seals, top and bottom.