Sigalsub roller bearings pulleys for roller speargun system.
Fits 6 mm axle. Non-corroding acetal/ nylon bearing with glass balls. Fits 6mm axle. Suitable for 14-16mm rubber, but will take larger rubbers that are reduced in diameter under pre-tensioning.
Low maintence bearing.
Each wheel takes 2 bearings.
The price is for a pair (2 pieces.)