hardware. Made in Italy. Acerbis Chain Guide Block: The Acerbis Chain Guide Block easily replaces the entire O.E.M. unit and ensures durability and high resistance to shock and wear from the chain. Made of PA6, it is made of two parts that allow installa The Acerbis Chain Guide / Slider Kit is the perfect solution for replacing the high-wear area of your bike's drivetrain. Acerbis Chain Slider (Swing Arm Rub Plate): Wear and tear on your motorcycle is part of the game, but it does not have to be expensive thanks to Acerbis and their Swing Arm Rub Plate. The Acerbis rub plate is constructed out of durable rubber and formed to match O.E.M. specifications. Installation is a cinch with this rub plate with the use of the O.E.M.