OBD Open Invert Roller Head Kit can be used to convert a speargun to inverted roller system or to build an invert roller speargun from parts. 26mm spigot will fit the majority of 28mm aluminium or carbon barrel and spearguns in the market.
A compact and simple but strong style of invert roller head, allowing the removal of rubbers to the rear of the speargun, improving power, maneouvrability and tracking over both conventional loop band and roller speargun set-ups.The roller head is made from a single piece of delrin, with simple invert roller wheels.The 26mm male spigot has an O-ring for sealing inside the barrel.
Two stainless steel line wrap fingers at the front allow shooting line to be wrapped on the left or right of the muzzle. A through hole in the head provides a start point for the load line. Open style front, without stopper bars, allows a clear line of sight.
Kit includes a unique multi-positional line anchor/line wrap point allowing lines to be guided vertically or horizonatlly on the side or underneath of the speargun.
Available in a choice of body colours: black, blue or gold with contrasting white wheels.
Can be upgraded with pulley wheels with bearings if desired - 6mm axle.