| Material | |
| Sprockets | Steel St40 / St50 |
| Ball bearing | roller bearing steel with lifetime grease filling, maintenance-free |
| Mounting screw | zinc plated steel |
| Nut | zinc plated steel |
| Material available | Low carbon steel, C45, 20CrMnTi, 42CrMo, 40Cr, stainless steel. Can be adapted regarding customer requirements. |
| Surface treatment | Blacking, galvanization, chroming, electrophoresis, color painting, ... |
| Heat treatment | High frequency quenching heat treatment, hardened teeth, carbonizing, nitride, ... |