KTM replacement Clutch Cylinder. The Oberon Performance replacement clutch slave cylinder has been designed to improve the performance and the looks of the original KTM cylinder. This unit cures the problem of jamming pistons and subsequent failure. The internal piston design, seals and breather hole have been drastically enhanced to prevent fluid leaks and leave a smoother clutch action. CNC machined from billet for lightness, strength and precision looks. With 7 fantastic colours to choose from. Black, Blue, Gold, Orange, Red, Silver and Titanium look.