OEM Replacement: This front tower pivot knob is a direct replacement for MasterCraft part number 554971, used on 2007–2011 MasterCraft boats equipped with the Zero Flex Flyer tower.

Mounting Location: Installs at the folding hinge on the front tower legs, which are located in front of the windshield and fold forward into the bow of the boat.

Integrated Threaded Rod: The knob includes a pre-installed stainless-steel threaded rod that threads directly into the female-threaded insert on the front tower legs, forming the fixed side of the pivot/hinge connection.

Durable Construction: Made from machined, corrosion-resistant metal and includes a pre-installed nylon washer to allow smooth rotation and protect surfaces during tightening.

Tool-Free Operation & Spare Recommendation: A textured grip ensures easy, tool-free installation and removal—even in wet conditions. This part is often dropped or misplaced during tower folding; keeping a spare on hand is recommended.

This front tower pivot knob is a direct replacement for MasterCraft part number 554971, used on 2007–2011 MasterCraft boats equipped with the Zero Flex Flyer tower. It installs at the folding hinge on the front tower legs.  These legs are located in front of the windshield and fold into the bow of the boat.

The knob features a pre-installed stainless-steel threaded rod, which threads directly into the female-threaded insert on the front legs of the tower. Once installed, it serves as the fixed side of the pivot/hinge connection.

This component is found on X-Series models including the X-1, X-2, X-7, X-9, X-15, X-25, X-30, X-35, X-45, and X-55.

Constructed from machined, corrosion-resistant metal, the knob includes a pre-installed nylon washer for smooth rotation and surface protection during tightening. Its textured grip profile allows for tool-free installation and removal, even in wet conditions.

Due to its location and frequent removal during tower folding, this part is commonly dropped or misplaced. A spare is recommended for uninterrupted use and on-the-water convenience.