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 foreign materials.

Additionally, Ermes single and double roller heads feature very high stopper bars, enabling ease of use with many brands of high finned/pinned spears. 

The whole head is CNC machined from in one piece from very strong Delrin with no additional parts. The line anchor point is integrated in the lower profile of the head.

Stainless steel components have been limited to provide maximum weight reduction. 

Double rebated spigot allows interchange of the O-ring to fit various internal diameter speargun barrels.

Suitable for all speargun barrels with internal diameters from 25.5mm to 26.5mm, with the supplied screws and washers M4 x 60.

It can be used to convert a speargun to the roller system or to build a roller speargun from parts.

This roller muzzle wheels will take rubbers 14mm to 16mm in diameter. 

NOTE: Roller head muzzles contain rotating bushes &/or bearings that require regular maintenance. Ensure after every use, regular freshwater washing takes place to remove any debris or saltwater. Avoid contact with dirt or sand as this will quickly degrade bearing surfaces. Bushes and bearings are consumable items that may need to be replaced, depending on conditions of use, load and correct maintenance.