The Blackgold rigging constitutes the top, worldwide for the Optimist. It was chosen as stakeholder and logically complies I.O.D.A .. Blackgold Power Ex945: Diam. 45mm, even more rigid, in order to keep the whole power of the sail, intended for sharp and/or heavier barners. The Blackgold rigging constitutes the top, worldwide for the Optimist. It was chosen as stakeholder and logically complies I.O.D.A .. Blackgold Power Ex945: Diam. 45mm, even more rigid, in order to keep the whole power of the sail, intended for sharp and/or heavier barners. Please contact us for a transport costs quote. Ex900 Blackgold Mast. With Rigging Pack.ex932 Blacklite 32mm Boom Completeex940 Blackgold Medium 40mm Boom Completeex945 Blackgold Power 45mm Boom CompleteEx955 Blackmax 55mm Boom CompleteEx960 Blackgold Sprit.ex970 Blacklite Set (Ex900, Ex9 75 Blackgold Medium Set (ex900, ex940, ex960, ex13591 ) Ex978 Blackgold Power Set (ex900, ex945, ex960, ex13591) ex980 Blackmax set (ex900, ex955, ex960, ex13591) ex13591 rigging pack as with all blackgold sets- Optimist DESCRIPTION We offer a choice of three booms: 40 mm Blackgold ™ Medium Optimist Boom (ex940). A Stiff and Lightweight Optimist Boom which is followed for the Majority of Sailors. 45 mm Blackgold ™ Power Optimist Boom (ex945). A Stiff Optimist Boom to Keep More Tension on the Leech for the Heavier Sailor.the Smaller Bridle Gives More Space When Tacking. 55 mm Blackmax ™ Optimist Boom (ex955). This ultra Stiff and Yet Lightweight Optimist Boom can be using a bridle. This enables The Larger Sailor to Land Further Forward When Tacking. All Optiparts Optimist Booms Are Made from High Grade, Tempered Tube. Fitted with Captive Eye Straps, Black Nylon In- and Outboard End Fittings, Nylon Outhaul Cleat, Outhaul Trim Gauge, 4 mm Vectran Outhaul and A Dyneema Bridle and Vang.