![Chinook US Cup RDM Carbon Extension](http://seaspritesports.com/cdn/shop/products/20S-CARBONUSRDMSHORT12CM_1600x_jpg.webp?v=1680796948&width=1445)
![Chinook US Cup RDM Carbon Extension](http://seaspritesports.com/cdn/shop/products/18S-CarbonExt_USCupRDMMed32cm_1600x_jpg.webp?v=1680796948&width=1445)
![Chinook US Cup RDM Carbon Extension](http://seaspritesports.com/cdn/shop/products/16S-CarbonExt_USCupRDMTall46cm_500x_jpg.webp?v=1680796948&width=1445)
Chinook US Cup RDM Carbon Extension
The Chinook Sailing Carbon -RDM- Extension
The Chinook Sailing Carbon US Cup-RDM Extension is elegant and very strong. A new easy to use Composite Snap Collar system eliminates lost pins or collars and can be quickly adjusted with one hand. All extensions come with the proven US Power-Haul pulley and cleat system and 2 cm adjustment increments.