Stainless steel brake disk retaining bolt kit contains 6 bolts to attach one brake disc. 20mm long for V11 Sport 1999-2001, California Special Bassa 1999-2000, 1100 Sport Injected 1996-1999, California EV 1998-2000, V10 Centauro, Daytona RS 1997-1998. 1100 Sport Corsa 1998-1999. These bolts are used to attach the 320mm Brembo brake discs to the wheel and are easily damaged during brake removal. Unlike the originals, these bolts are stainless steel for rust resistance and for resistance to rounding out the head. Tip: Always use an antiseize compound on stainless steel bolts to prevent seizing and galling.
Always use an anti-seize compound on stainless fasteners.
Note: parts books show both 20mm and 25mm bolts for the front brake on some models. It's best to replace the bolts with the same length that you removed so order accordingly.