The sprockets ALPHAbelt S.2115 are made of the material Acetal (POM), a material with great resistance to friction.

They are produced with 12 teeth (Ζ12, Φ39 mm.)for square shaft 20Χ20 mm.

                           with 20 teeth (Ζ20, Φ71 mm.) for square shaft 40Χ40mm. 

                           with 30 teeth (Ζ30, Φ112 mm.) for square shaft 40Χ40 mm.