• RK racing chains have been the overwhelming choice of World Championship Teams for the past two decades!
• They have benefited from their long-term OEM relationships with the major Japanese motorcycle manufacturers; RK has supplied original chains and chains for racing
• All high-quality RK chains are made in Japan except the standard RKM series, which are from Malaysia
• All RK chains feature quad-staked pin riveting, solid rollers and solid bushings, except the RKM and standard series, which have two-point riveting and curled bushings
• They're all pre-stressed and pre-stretched for better performance with fewer adjustments

HEAVY-DUTY CHAIN (MXZ)

• All feature heavier side plates for more strength and resistance to stretch
• MXZ racing chains are made for the serious motocross racer with all components heat treated for high-performance durability; chromoly steel construction with seamless rollers and bushings, and oversized alloy pins for added strength
• Max. Engine Size: 125cc
• Tensile Strength: 5,000
• Wear Life Index: 300 (Wear life Index should be used as a comparison for probable wear life under identical circumstances. Think of it as a percent, with standard chains being 100)
  
  If your motorcycle came factory-equipped with an O-Ring, it must be replaced with an O-Ring chain

Includes a Clip Type Master Link

Replacement connecting link:
Clip-Type: part no. 11-9315