Martin Sprocket & Gear SPH-25 Shear Pin Hub is a 3-inch hub component designed for use in sprocket drive assemblies. The SPH-25 designation identifies its size within Martin's SPH product family. As a shear-pin hub, it provides a hub interface that accommodates a sacrificial shear pin to help protect drive components from overload, enabling easier maintenance and faster replacement. This item is intended for use with compatible Martin sprockets and hub assemblies in 3-inch configurations, forming a simple, protected drive interface.
