EK Motor Sport 520 SRX Quadra X-Ring Chain - 106 Links, Chain Type: 520, Chain Length: 106 Todays high performance racing and recreational ATVs demand a chain that can stand up to the task The SRX chains are Quadra-X Ring sealed chains All of these quality chains feature lightening holes in the side plates for reduced weight and increased performance. Dual Sport Chains Ideal For Extreme Riding Conditions Max Engine CC 750 Street, 750 Dirt