The Spin Tension System (STS),which was adopted by the very popular XTEND rubber series, gives 2/3 of the tension energy to spin and 1/3 to speed. XTEND SD uses the same system, but it has now been re-designed and updated to deliver even greater stability.
Yasaka have reformulated the top sheet,enabling the durability to be greatly improved. The sponge has also been re-designed to incorporate the much valued qualities of easy handling and enjoyable sound.
Experience the hitting sound, penetrating speed and the new sense of play,
easier to use masterpiece "Xtend SD
Control: 80 +
Hardness: 30-35 degrees