BLACK KNIGHT QUICKSILVER NSX STRUNGString : PowerNick18 Recommended Tension : 26 lbs Rigidity Index : 88 Avg. Frame Weight : 130 g String Area : 487 cm2 Dynamic Weight : 130 Characteristics of the Quicksilver nXS : Simply put, the Quicksilver nXS is an amazing racquet. Hugely popular in Black Knights range for many years, the Quicksilver plays with a combination of speed, power and control that few rackets can match. Aerodynamically slender, with a bridged design, this tough, light
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