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  • The 520DZ2 is a great value in a lightweight, high performance chain designed for Motocross Racing.
  • This new chain has the same SDH pin treatment as D.I.D's ER Racing 520ERT2, 520MX, 428NZ and 420NZ3 chains giving the 520DZ2 a Two Time Longer Life than the previous 520DZ.
  • The SDH pin treatment gives the chain’s pins a hard chromium carbide outer layer while the pin’s inner core remains soft. This gives the chain the ability to withstand the severe impact from jumps but absorb shock.
  • The new 520DZ2 is Made in Japan and designed for MX motorcycles up to 450 c.c.’s.