The Kellermann CR 4 is the ultimate all-in-one solution for motorcycles with this turn signal switch. This independent turn signal relay provides the functionality of a motorcycle in the current state of technology or the electronics of the latest optimized motorcycle designs. When all Kellermann turn signal relays eliminate any unwanted flashing of the indicator that is not activated. The CR 4 offers numerous electronic control options, although it can be individually decided which functions should be used. The integrated turn signal relay in the CR 4 provides a convenience feature: switching mode with comfort: after a short "one turn signal - turn signal on" five flashing cycles expire. If the rider can concentrate on the road...