{"title":"Kirschbaum Black Shark","description":"\u003cp\u003eAn eight-sided star-profile co-polyester built for spin — sharp edges that dig into the ball for heavy topspin, on a firm, durable core.\u003c\/p\u003e","products":[{"product_id":"kirschbaum-black-shark-200m-reel","title":"Kirschbaum Black Shark 200m Reel","description":"\u003cp\u003eKIRSCHBAUM BLACK SHARK\u003c\/p\u003e\n\u003cp\u003eKirschbaum Black Shark is a spin string built on an eight-sided star profile — sharp edges all round the string that dig into the ball on brushing contact. The core is a firm, durable co-polyester, so it pairs heavy topspin with the control and life of a stiffer poly. It comes in black.\u003c\/p\u003e\n\u003cp\u003eIt is the shaped, spin-focused string in Kirschbaum's range — grabbier than any of the round polys, on a firmer, more control-oriented core than a dedicated soft spin string.\u003c\/p\u003e\n\u003ch2\u003eOn-Court Performance\u003c\/h2\u003e\n\u003cp\u003eThe star edges bite the ball hard for heavy topspin and a sharp dip, with a lower launch than the round Kirschbaum polys.\u003c\/p\u003e\n\u003cp\u003eControl is very good once you have the racquet-head speed to load the string; the ball goes where you aim it.\u003c\/p\u003e\n\u003cp\u003ePower is low and the feel is firm — this rewards fast, upward swings and can feel dead for players who need help.\u003c\/p\u003e\n\u003cp\u003eAs a shaped poly the edges round off and tension slides, so budget for more frequent restrings than a round poly.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWho Should Use It\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eHeavy topspin baseliners with fast, brushing swings\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eAdvanced players and strong juniors who want maximum bite\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eKick-serve specialists\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eHybrid users wanting a spin-heavy poly main\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers who found round polys not grabby enough\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWho Should Not Use It\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003ePlayers with arm sensitivity — this is a stiff string\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eFlat hitters who want a smooth, predictable slide\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers who need free depth and power\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers who dislike frequent restringing\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eHybrid Setups \u0026amp; Performance Adjustments\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003cbr\u003eString at the low end, or pair with a multifilament in the mains, since it adds nothing to depth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eControl\u003c\/strong\u003e\u003cbr\u003eA full bed at mid tension is already controlled — the spin brings the ball down.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpin\u003c\/strong\u003e\u003cbr\u003eKeep Black Shark in the mains at mid-to-low tension so the edges can grip and release.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComfort\u003c\/strong\u003e\u003cbr\u003eOne of the stiffer strings here — drop tension and cross with a soft multi.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTension Stability\u003c\/strong\u003e\u003cbr\u003eShaped polys slide faster — restring on a schedule, not on breakage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDurability\u003c\/strong\u003e\u003cbr\u003eThe core is durable; move to a thicker gauge if the edges wear through quickly.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003eTypology:\u003cbr\u003eMonofilament\u003c\/p\u003e\n\u003cp\u003eShape:\u003cbr\u003eOctagonal star (8-sided)\u003c\/p\u003e\n\u003cp\u003eComposition:\u003cbr\u003eFirm co-polyester\u003c\/p\u003e\n\u003cp\u003eAvailable Colours:\u003cbr\u003eBlack\u003c\/p\u003e\n\u003cp\u003eAvailable Gauges:\u003cbr\u003e1.25 \/ 1.30 mm\u003c\/p\u003e","brand":"Kirschbaum","offers":[{"title":"1.25","offer_id":54794738565443,"sku":"KIRSCH-STR-1073-125","price":112.95,"currency_code":"EUR","in_stock":true},{"title":"1.30","offer_id":54794738598211,"sku":"KIRSCH-STR-1073-130","price":112.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2061\/2235\/files\/15405242220867.jpg?v=1789051010"},{"product_id":"kirschbaum-black-shark-12m-set","title":"Kirschbaum Black Shark 12m Set","description":"\u003cp\u003eKIRSCHBAUM BLACK SHARK\u003c\/p\u003e\n\u003cp\u003eKirschbaum Black Shark is a spin string built on an eight-sided star profile — sharp edges all round the string that dig into the ball on brushing contact. The core is a firm, durable co-polyester, so it pairs heavy topspin with the control and life of a stiffer poly. It comes in black.\u003c\/p\u003e\n\u003cp\u003eIt is the shaped, spin-focused string in Kirschbaum's range — grabbier than any of the round polys, on a firmer, more control-oriented core than a dedicated soft spin string.\u003c\/p\u003e\n\u003ch2\u003eOn-Court Performance\u003c\/h2\u003e\n\u003cp\u003eThe star edges bite the ball hard for heavy topspin and a sharp dip, with a lower launch than the round Kirschbaum polys.\u003c\/p\u003e\n\u003cp\u003eControl is very good once you have the racquet-head speed to load the string; the ball goes where you aim it.\u003c\/p\u003e\n\u003cp\u003ePower is low and the feel is firm — this rewards fast, upward swings and can feel dead for players who need help.\u003c\/p\u003e\n\u003cp\u003eAs a shaped poly the edges round off and tension slides, so budget for more frequent restrings than a round poly.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWho Should Use It\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eHeavy topspin baseliners with fast, brushing swings\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eAdvanced players and strong juniors who want maximum bite\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eKick-serve specialists\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eHybrid users wanting a spin-heavy poly main\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers who found round polys not grabby enough\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWho Should Not Use It\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003ePlayers with arm sensitivity — this is a stiff string\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eFlat hitters who want a smooth, predictable slide\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers who need free depth and power\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers who dislike frequent restringing\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eHybrid Setups \u0026amp; Performance Adjustments\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003cbr\u003eString at the low end, or pair with a multifilament in the mains, since it adds nothing to depth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eControl\u003c\/strong\u003e\u003cbr\u003eA full bed at mid tension is already controlled — the spin brings the ball down.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpin\u003c\/strong\u003e\u003cbr\u003eKeep Black Shark in the mains at mid-to-low tension so the edges can grip and release.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComfort\u003c\/strong\u003e\u003cbr\u003eOne of the stiffer strings here — drop tension and cross with a soft multi.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTension Stability\u003c\/strong\u003e\u003cbr\u003eShaped polys slide faster — restring on a schedule, not on breakage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDurability\u003c\/strong\u003e\u003cbr\u003eThe core is durable; move to a thicker gauge if the edges wear through quickly.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003eTypology:\u003cbr\u003eMonofilament\u003c\/p\u003e\n\u003cp\u003eShape:\u003cbr\u003eOctagonal star (8-sided)\u003c\/p\u003e\n\u003cp\u003eComposition:\u003cbr\u003eFirm co-polyester\u003c\/p\u003e\n\u003cp\u003eAvailable Colours:\u003cbr\u003eBlack\u003c\/p\u003e\n\u003cp\u003eAvailable Gauges:\u003cbr\u003e1.25 \/ 1.30 mm\u003c\/p\u003e","brand":"Kirschbaum","offers":[{"title":"1.25","offer_id":54794738630979,"sku":"KIRSCH-STR-773-125","price":9.82,"currency_code":"EUR","in_stock":false},{"title":"1.30","offer_id":54794738663747,"sku":"KIRSCH-STR-773-130","price":9.82,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2061\/2235\/files\/1074.jpg?v=1788776688"}],"url":"https:\/\/tenniscube.shop\/collections\/kirschbaum-black-shark.oembed","provider":"Tennis Cube","version":"1.0","type":"link"}