Aprilia SR 50 R Factory Di-Tech Malossi +35% MHR Clutch Contra Spring

Aprilia SR50 Racing Malossi +106% MHR Clutch Contra Spring 2003-

Vespa Sprint 50cc 2T (2014-17) Malossi +106% MHR Clutch Contra Spring

Gilera Runner SP 50cc (2010-2017) Malossi +106% MHR Clutch Contra Spring

Aprilia SR 50 R LC Malossi +106% MHR Clutch Contra Spring

Aprilia SR 50 Street LC Malossi +106% MHR Clutch Contra Spring

Gilera Ice 50cc 2T AC Malossi +106% MHR Clutch Contra Spring

Aprilia SR 50 LC (2018 Onwards) Malossi +106% MHR Clutch Contra Spring