RIB Narwhal HD 670 and SP 750 2018-03-022023-02-07 Karel Overlaet, Medianaut Spain based Narwhal offers several standard models from 4 to 7.50 m but they build larger RIBs as well. In this video the RIB Narwhal HD 670 and SP750 are presented. Here you can watch more videos about this brand. Others Also Read...Route du Rhum Sublime Zodiac Pro Open 650 & 7504 Rules to Maintain your RIB Super Top-NotchCapelli Tempest 750 Sport Action Packed VideoThe Fun of Owning a Rigid Inflatable Boat (RIB): 8 Thoughts