6-spoke rear pulley. Made of ergal , available only in the Black/aluminium 65 teeth colour. It does not require any modification for assembly. NB: for 2003 models it is necessary to replace the belt. Rear pulley 6 spokes. Made of ergal , available only in the color Black / aluminum 65 teeth. It does not need any modification for the assembly. NB: for the 2003 models it is necessary to replace the belt.
