Roller Heads & Parts

Superb quality 316 stainless steel axle rod 6mm diameter with internal thread, plus 2 screws and 2 washers. Various lengths to choose for fitting to your roller muzzle head. Perfect for using in your wooden speargun build or roller speargun...
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OBD Full Ceramic Bearing provides the ultimate in bearing quality with the lowest friction co-efficient for smoother operation and longer life. If you are looking for a bearing that will outlast all others, this is it. Full ceramic bearings have...
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Price is for a pair of OBD Invert Pulleys, with one bearing in each wheel. These are made using high quality delrin in a domed shape to accommodate the bearing, add strength and reduce friction. Choose at checkout from Acetyl,...
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The Ermes Universal Invert Roller Head is designed to fit speargun barrels with an inner diameter from 25.5mm to 26.5mm. This model comes fitted with ceramic bearings, for smoother loading. It can be used to convert a speargun to inverted...
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Meandros Roller Wheels Grey are made from the highest quality heavy duty synthetic materials, providing a tough and robust composition to withstand even the toughest use. The grey rollers are recommended if you would like or need super strong wheels...
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Price is for a pair of OBD Bearing Roller Wheels, with two bearings in each wheel. These are made in Europe from high quality striking black delrin. Double bearings per wheel provides smooth efficiency for loading and discharge of higher powered spearguns, reducing...
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OBD Invert Roller Head With Bearings for converting or building low and high powered invert roller tube spearguns. Head is suitable for barrels with an inner diameter around 26mm. It is extremely compact, robust and light weight.  The Head is...
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All new roller head from Freedivers South Africa! Compatible to convert any existing Freediver speargun to a roller configuration. This head is built simple and tough, like all Freedivers equipment. Has flat top spiggot with longitudinal guides to marry internal...
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Looking for more power, a quicker, straighter shot and no recall? Try out our OBD Invert Roller Head Our OBD Invert Roller Head Conversion Kit to upgrade your current speargun. Recommended for spearguns up to 110cm barrel length. Kit comprises:...
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OBD Roller Head - Light is an innovative universal roller muzzle to suit many brands of tube spearguns. Weighs an unbelievably low 90 grams! Light weight so it will not excessively unbalance the speargun you decide to convert to a roller...
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OBD Full Ceramic Bearing - Rob Allen provides the ultimate in bearing quality with the lowest friction co-efficient for smoother operation and longer life. If you are looking for a bearing that will outlast all others, this is it. Full...
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Ermes Roller Speargun Muzzle - Ceramic Bearing is the newest Roller Speargun Muzzle design from Ermes. Wheels come with ceramic bearings, suitable for higher loads and/or smoother loading.  Specially designed wheels, with both faces capped to protect against intrusive and destructive...
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Sigal Roller Head Wood Kit With Bearings has all components for building or converting your wooden roller speargun. All components made from stainless have burnished finish for non-reflectivity. Kit contains: Pair of Roller Wheels with 4 acetyl bearings Stainless steel...
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OBD Roller Head Kit can be used to convert a speargun to roller system or to build a roller speargun from parts. 26mm spigot will fit the majority of 28mm aluminium or carbon barrel and spearguns in the market. Kit...
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OBD Full Ceramic Bearing - Sigal provides the ultimate in bearing quality with the lowest friction co-efficient for smoother operation and longer life. If you are looking for a bearing that will outlast all others, this is it. Full ceramic...
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The Meandros Roller Head DIY is the result of long research, study and exhaustive testing. The head has been studied and designed in such a manner that prevents jams and inaccurate shots whilst ensuring parallel placement of the bands. Installation...
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FreeDivers Kicker Roller Head With Bearings is the latest roller head model from South African manufacturer FreeDivers. Has space designed for adding an extra kicker band, giving greater flexibilty of power options. Add a kicker with the roller for extra...
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Price is for a single non-corrosive acetyl bearings with glass balls. To be used with roller wheels, heads and spearguns. One or two bearings can be used per wheel. Use as a spare or replacement part for wheels by Meandros...
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Price is for a single bearing. To fit Ermes Sub Roller Wheels. Each wheel is fitted with two stainless steel micro bearings with high rust resistance characteristics, greater than static load and dynamic sealing. Use as a spare part for...
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Price is for a single roller bearing to fit a Sigalsub Roller Head. To be used as a spare or replacement part for Sigal Roller Head with bearings. Non-corroding acetal/ nylon bearing. Fits 6mm axle. Suitable for 14-16mm rubber, but...
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Sigal Compact Roller Head is a superb quality Italian made tube speargun roller head for converting or building your own roller speargun. The Tube Stopper model is shorter, narrower and 20% lighter than the standard Sigal Roller Head. This roller...
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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...
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Superb quality 316 stainless steel axle rod 5mm diameter with M3 internal thread, plus 2 screws and 2 washers. Choose a length to suit your speargun head. Perfect for using in your wooden speargun build or roller speargun conversion. Smaller...
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Price is for a single roller bearing to fit a Seatec Roller Head. To be used as a spare part for a Seatec Roller Speargun or Seatec Roller Head. Non-corroding acetal/ nylon bearing. Fits 5mm axle. To be used with...
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