EK Chains 525 Standard Series Non Oring Natural Drive ChainTechnical Specifications: Brand: EK Chains Made In: Japan Chain Pitch: 525 Chain Length (Links): 100 Master Link(s) Included with chain: Clip Chain Color: Natural Chain Type: Non Oring Chain Model: Standard Seal Type (if applicable): Seal Model (if applicable): Max Engine cc (Street): 350 Max Engine cc (Offroad): NA Tensile Strength (lbs): 7400 Wear Index (if available): 100 Chain Weight (if available): 3. 42 EK's standard non sealed chains are