MSR Hard Parts Steel Rear Sprocket - 50T - Suzuki DR-Z400 2000-2004 / DR-Z400E 2000-2007 / DR-Z400S 2000-2009 / DR-Z400S 2011 / DR-Z400SM 2005-2009 / RM125 1987-2007 / RM250 1987-2008 / RMX250 1989-1998 / RMZ250 2007-2011 / RMZ450 2005-2011 - RM50The optimum combination of strength, weight and durabilityFront sprockets made from high-grade, shock-resistant tool steel, through-hardened for ultimate toughnessRear sprockets made from ultra-hard, heat-treated cro-moly steel, no more than 4 oz.
MSR Hard Parts Steel Rear Sprocket - 50T - Suzuki DR-Z400 2000-2004 / DR-Z400E 2000-2007 / DR-Z400S 2000-2009 / DR-Z400S 2011 / DR-Z400SM 2005-2009 / RM125 1987-2007 / RM250 1987-2008 / RMX250 1989-1998 / RMZ250 2007-2011 / RMZ450 2005-2011 - RM50The optimum combination of strength, weight and durabilityFront sprockets made from high-grade, shock-resistant tool steel, through-hardened for ultimate toughnessRear sprockets made from ultra-hard, heat-treated cro-moly steel, no more than 4 oz. heavier than aluminumFront and rear sprockets guaranteed for 1 year against wear (product registration required)Replace O.E. hardware with ultra-tough Grade 10 Sprockets BoltsUsed and endorsed by Malcolm Smith
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