Cataract SGG Oar ShaftThe Cataract SGG Fiberglass Oar Shafts are space age tech for your not so space age whitewater raft or cataraft. The SGG shaft is made from the same wound fiberglass carbon epoxy composite technology used in the aerospace industry, giving the SGG tons of durability, twice the breaking strength of aluminum, an even flex and a light weight. These oars perform like no others, translating muscle energy into stroke power more effectively than other oars,