Chinook RDM Aluminum Extension US Cup

Chinook Aluminum Skinny US Base Cup Mast Extension

• Skinny Reduced Diameter (RDM)
• Aluminum
• US Base Cup
• Short $79, Medium $91, Tall $101

The sleek Six Pin adjusting collar and anodized logo/index markings are some of the unique and innovative features that make these the most popular extensions on the market. Standard with the proven US Power-Haul pulley and cleat system. Two centimeter adjustment increments.

• Tall 38cm - Adds 38cm to mast length
• Medium 28cm - Adds 28cm to mast length
• Short 12cm - Adds 12cm to mast length