EK Chains 630 x 98 Links SRO Series Oring Sealed Natural Drive ChainTechnical Specifications: Brand: EK Chains Made In: Japan Chain Pitch: 630 Chain Length (Links): 98 Master Link(s) Included with chain: Rivet Chain Color: Natural Chain Type: Sealed Chain Model: SRO Seal Type (if applicable): Oring Seal Model (if applicable): O Max Engine cc (Street): 1000 Max Engine cc (Offroad): NA Tensile Strength (lbs): 10120 Wear Index (if available): 1000 Chain Weight (if available): 5. 9 The SRO series chains offer a value