Top processing and precision manufacturing are characteristics for this sprocket adapter by P.B.R. Italy. This adapter is an ideal replacement for the very expensive and relatively heavy original chain wheels. Dark anodized and with fixing screws of high strength steel, are guarantee for a long life. Please keep in mind, this sprocket adapter fits exclusively to the Ducati 1200 Monster, 1199, 1299 respectively V4 Panigale. The Monster and Panigale are standard equipped with a sprocket set of 525. When using 520 chain wheels, chain and sprockets must also be changed.