Goya Nexus 22/23Goya Nexus 22 23 Freeride 5 Battens The Nexus is the most economical build within the Nexus line of sails. Utilizing Monofilm for its main window and panels, brings down the material cost yet makes for a superbly light sail build. All other performance features of the Nexus are identical to the Nexus B. RDM or SDM compatible on all sizes, except 4. 9 Monofilm window, Monofilm and Scrim panels. Available in 4,9, 5,4, 5,9, 6,4, 6,9, 7,4 square meters.