The Starflex has a simple construction of two hubs with a flexible element inside. There are three types of elements that differ in hardness and fit. The flexible element is a polyurethane elastomer and allows vibration damping and offset compensation.

- Element hardness: 90 JIS A / 97 JIS A
- Element as "tight fit" and "loose fit" available
- RoHS compliant
- 1.2 Nm to 1050 Nm

Parameter Name	Parameter Value
Type	jaw elastomer
Product applications	for servo motors for stepper motors
Other characteristics	misalignment correction high-torque
Torque (Nm)	1.2 - 1.2
Rotational speed (rpm)	4500 - 34100