Chinook Aluminium Extensions US Base Cup
The Chinook Sailing Aluminum US Cup-SDM Extension uses our new Six Pin collar for easy and solid adjustment. The anodized logo/index markings are one of the many unique and innovative features that make these the most popular extensions on the market. Comes standard with the proven US Power-Haul pulley and cleat system and 2 cm adjustment increments.
- Standard Diameter
- US Basecup
- Large brass pulleys for increased leverage
The Chinook Sailing Aluminum US Cup-RDM Extension uses custom alloy and bell shaped tubing to provide the best weight to strength ratio available in aluminum construction. The new, easy to use Composite Snap Collar system eliminates lost pins or collars and can be quickly adjusted with one hand. All come with the proven US Power-Haul pulley and cleat system and 2 cm adjustment increments.
- Reduced Diameter
- US Basecup
- Large brass pulleys for increased leverage
| Length | 28cm, 38cm, 48cm |
|---|---|
| Mast Diameter | RDM, SDM |
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