The clutch rubber insert is used as a shock absorber, bumper, clutch insert.

The clutch is made of a flexible, durable EPDM (ethylene-propylene-diene rubber) rubber compound, and is characterized by:
- high resistance to aging and weather conditions, ozone and UV radiation
- resistance to organic and inorganic acids, cleaning agents, potassium and sodium alkalis
- maintaining its properties in the temperature range from -50°C to +130°C
- flexibility and susceptibility to stretching
- good memory of the original shape