Sprenger Offset Eyelet System 4 StirrupsIn 1998 Sprenger improved the stirrups flexibility by extending the joint with an additional link. The System 4 relieves hips, knees and ankles during riding and particularly spares ligaments and menisci. System 4 jointed stirrup is an epitome for comfortable riding. It has un questionable confidence and is used by both, leisure and professional rider. The offset eye makes it not only easier to pick up the stirrup, but also softens the impact on