RIB EXTREME 4.99 Karel Overlaet, RIB Advocate “We measured the internal dimensions of the deck of this RIB Extreme 4.99 and as you will see, for 5 meters, they are very large, they comfortably oppose the internal dimensions of a much larger Inflatable.” Others Also Read...How to Buy a Rigid Inflatable Boat (RIB) : 10 ThoughtsRIBbing for Arctic - 1 Unbelievable TrailerRafnar 1100 RIB Test Drive in Rough ConditionsRIB Extreme Trailer 2009 - Sweden