DID 520 x 130 Links VO Series Oring Sealed Natural Drive ChainTechnical Specifications: Brand: DID Made In: Japan Chain Pitch: 520 Chain Length (Links): 130 Master Link(s) Included with chain: Clip Chain Color: Natural Chain Type: Sealed Chain Model: VO Seal Type (if applicable): Oring Seal Model (if applicable): O Max Engine cc (Street): 500 Max Engine cc (Offroad): 500 Tensile Strength (lbs): 8000 Wear Index (if available): 2350 Chain Weight (if available): 3. 31 D. I. D.'s high performance O ring chain Solid