How to determine what kind of brake calipers and ABS system is equipped. During the development of the cruise control for the R1150GS we have been aware, that it two different types of front caliper and two different ABS systems to this model, and some bikes without ABS equipped. To provide the correct Kit for the bike, we need to know what type of front brake calipers has your bike, and the ABS system (if available) the machine has. This is easy to identify by you the instructions below. Identify the front brake calipers. Earlier models were equipped with Brembo brake calipers.