EK Chains 520 x 120 Links MRD7 Motocross Series Non Oring Drive ChainTechnical Specifications: Brand: EK Chains Made In: Japan Chain Pitch: 520 Chain Length (Links): 120 Master Link(s) Included with chain: Clip Chain Color: Gold Chain Type: Non Oring Chain Model: MRD7 Motocross Seal Type (if applicable): Seal Model (if applicable): Max Engine cc (Street): NA Max Engine cc (Offroad): 500 Tensile Strength (lbs): 8900 Wear Index (if available): 400 Chain Weight (if available): 3. 35 Lightening holes in 520 side plates to