MSR : Rear Steel Sprockets

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  • The optimum combination of strength, weight and durability!
  • Front sprockets made from high grade shock resistant tool steel, through-hardened for ultimate toughness.
  • Rear sprockets made from ultra hard, heat treated cro-moly steel, no more than 4oz heavier than aluminum.
  • Front and rear sprockets guaranteed for 1 year against wear (product registration required).
  • Replace OEM hardware with ultra-tough Grade 10 Sprockets Bolts.
  • Used and endorsed by Malcolm Smith.