Chinook Aluminum Standard US Base Cup Mast Extension
- Standard Diameter
- Aluminum
- US Base Cup
- Short $55, Medium $63, Tall $69
The sleek Snap Pin w/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 48cm, adds 48cm to mast length
- Medium 28cm, adds 28cm to mast length
- Short 12cm, adds 12cm to mast length
