Here you can get the following original parts for D50B0 and EBS engines as a set:

 * Locking shift drum/ desmodromic
 * Gearshift lever + mounting screw
 * Spring for gearshift lever
 * Bolt for shift spring

 All together €28.

 Suitable for:
 Derbi
 Aprilia (from 2006 onwards)
 Gilera