Ring with Pin RDM Mast Extension Unifiber UF600000040

Ring with Pin RDM Mast Extension Unifiber UF600000040
SKU: UF600000040

Description:

This replacement ring and pin adjustment collar is designed for RDM (Reduced Diameter Mast) extensions and provides a simple, reliable way to restore secure pin adjustment and collar function. Constructed for everyday rigging use, the assembly combines a robust ring body with a corrosion-resistant pin to tolerate repeated engagement and exposure to marine environments. The precision fit keeps extension settings stable under load, reducing play and ensuring consistent sail trim. Its low-profile design minimizes interference with other rigging components and preserves clear access to adjustment points. Lightweight and low-maintenance, the collar helps maintain smooth operation of RDM mast extensions and prolongs the life of the extension assembly. Ideal as a direct replacement part, it reinstates factory adjustment performance without the need for full component replacement.

Key Features:

• Replacement ring and pin collar specifically for RDM mast extensions.
• Durable ring body designed for repeated use and mechanical wear.
• Corrosion-resistant pin for reliable performance in marine environments.
• Precision fit to eliminate play and maintain accurate adjustment settings.
• Low-profile, lightweight design that minimizes rigging interference.
• Easy to install as a direct swap for original Unifiber RDM extension collars.
• Low maintenance construction for long service life and consistent operation.
• Restores factory adjustment performance without replacing the entire extension.

Specifications:

Manufacturer: Unifiber
SKU: UF600000040
Material: Durable ring body with corrosion-resistant metal pin (manufacturer specification)
Size/Dimensions: Designed to fit standard RDM mast extension dimensions (check compatibility with your extension model)
Weight: Not specified by manufacturer; lightweight, negligible effect on rig balance
Color: Not specified
Size: Universal fit for RDM mast extensions (replacement part)
Category: Accessories
Age Group: Adults
Gender: Unisex

Recommended Use:

This replacement ring and pin collar is ideal for sailors, windsurfers, and rigging technicians who need to repair or refurbish RDM mast extensions on recreational through advanced rigs. It is best suited for maintaining or restoring adjustment precision on RDM extensions used in a wide range of conditions—from coastal cruising to lake and ocean windsurfing. For best results, use as a direct replacement on Unifiber RDM extensions or compatible RDM extension models and pair with regular rig inspections and corrosion-prevention maintenance. If unsure about fit, confirm compatibility with your mast extension model or contact Unifiber support.