Rizoma timing belt covers for the Ducati 999 749 S and standard. Billet aluminum.   Rizoma is famous for their beautiful work on the Ducati timing belt covers. Every one likes to look inside a working motor and watch the little spinning pieces go round and round. This accomplishes that and adds some metal where there was once plastic. Manufactured in Italy using the latest CNC billet aluminum processing technologies. Rizoma is famous for developing unique aftermarket parts for sport bikes.