{"title":"Kirschbaum Helix","description":"\u003cp\u003eA spiral-profile co-polyester — the twisted surface presents an edge to the ball at every angle for consistent spin grip and bite, with solid control.\u003c\/p\u003e","products":[{"product_id":"kirschbaum-helix-200m-reel","title":"Kirschbaum Helix 200m Reel","description":"\u003cp\u003eKIRSCHBAUM HELIX\u003c\/p\u003e\n\u003cp\u003eKirschbaum Helix is a spin string with a spiral, twisted profile — instead of fixed edges, the surface winds along the string's length so there is always an edge presenting to the ball. On a firm co-polyester core, it pairs consistent spin grip with the control and durability of a stiffer poly. It comes in white.\u003c\/p\u003e\n\u003cp\u003eIt is the twisted-profile alternative to Black Shark — a different route to spin, with a slightly smoother, more continuous grip and a touch more forgiveness in the pocket.\u003c\/p\u003e\n\u003ch2\u003eOn-Court Performance\u003c\/h2\u003e\n\u003cp\u003eThe spiral surface produces consistent topspin grip from any contact angle, with a dipping trajectory and good shot shape.\u003c\/p\u003e\n\u003cp\u003eControl is solid; the firm core keeps the stringbed low and predictable once loaded with racquet-head speed.\u003c\/p\u003e\n\u003cp\u003ePower is low and the feel is firm, in line with the other shaped Kirschbaum polys — it needs a fast, brushing swing.\u003c\/p\u003e\n\u003cp\u003eAs with any shaped poly, the profile wears and tension slides, so restrings come around sooner than with a round string.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWho Should Use It\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eTopspin baseliners who want reliable, angle-independent spin grip\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eAdvanced players and juniors with fast swings\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers who found Black Shark's fixed edges harsh and want a smoother grip\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eHybrid users wanting a textured poly main\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eKick-serve and heavy-forehand players\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, all-court players who do not swing up steeply\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers who need power and depth from the string\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers who dislike restringing often\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 low and pair with a multifilament or gut in the mains for any real depth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eControl\u003c\/strong\u003e\u003cbr\u003eA full bed at mid tension is very controlled — the spin does the work of bringing the ball down.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpin\u003c\/strong\u003e\u003cbr\u003eKeep Helix in the mains at mid-to-low tension for maximum grip and snap-back.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComfort\u003c\/strong\u003e\u003cbr\u003eStiff — reserve a full bed for durable arms, or cross with a soft multi.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTension Stability\u003c\/strong\u003e\u003cbr\u003eSlides faster than a round poly because of the profile — restring on a schedule.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDurability\u003c\/strong\u003e\u003cbr\u003eUse a thicker gauge to slow the profile wear.\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\u003eSpiral (twisted profile)\u003c\/p\u003e\n\u003cp\u003eComposition:\u003cbr\u003eFirm co-polyester\u003c\/p\u003e\n\u003cp\u003eAvailable Colours:\u003cbr\u003eWhite\u003c\/p\u003e\n\u003cp\u003eAvailable Gauges:\u003cbr\u003e1.20 \/ 1.25 \/ 1.30 mm\u003c\/p\u003e","brand":"Kirschbaum","offers":[{"title":"1.20","offer_id":54794738696515,"sku":"KIRSCH-STR-451-120","price":112.83,"currency_code":"EUR","in_stock":true},{"title":"1.25","offer_id":54794738729283,"sku":"KIRSCH-STR-451-125","price":112.83,"currency_code":"EUR","in_stock":true},{"title":"1.30","offer_id":54794738762051,"sku":"KIRSCH-STR-451-130","price":112.83,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2061\/2235\/files\/15405242286403.jpg?v=1789051033"},{"product_id":"kirschbaum-helix-12m-set","title":"Kirschbaum Helix 12m Set","description":"\u003cp\u003eKIRSCHBAUM HELIX\u003c\/p\u003e\n\u003cp\u003eKirschbaum Helix is a spin string with a spiral, twisted profile — instead of fixed edges, the surface winds along the string's length so there is always an edge presenting to the ball. On a firm co-polyester core, it pairs consistent spin grip with the control and durability of a stiffer poly. It comes in white.\u003c\/p\u003e\n\u003cp\u003eIt is the twisted-profile alternative to Black Shark — a different route to spin, with a slightly smoother, more continuous grip and a touch more forgiveness in the pocket.\u003c\/p\u003e\n\u003ch2\u003eOn-Court Performance\u003c\/h2\u003e\n\u003cp\u003eThe spiral surface produces consistent topspin grip from any contact angle, with a dipping trajectory and good shot shape.\u003c\/p\u003e\n\u003cp\u003eControl is solid; the firm core keeps the stringbed low and predictable once loaded with racquet-head speed.\u003c\/p\u003e\n\u003cp\u003ePower is low and the feel is firm, in line with the other shaped Kirschbaum polys — it needs a fast, brushing swing.\u003c\/p\u003e\n\u003cp\u003eAs with any shaped poly, the profile wears and tension slides, so restrings come around sooner than with a round string.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWho Should Use It\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eTopspin baseliners who want reliable, angle-independent spin grip\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eAdvanced players and juniors with fast swings\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers who found Black Shark's fixed edges harsh and want a smoother grip\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eHybrid users wanting a textured poly main\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eKick-serve and heavy-forehand players\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, all-court players who do not swing up steeply\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers who need power and depth from the string\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers who dislike restringing often\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 low and pair with a multifilament or gut in the mains for any real depth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eControl\u003c\/strong\u003e\u003cbr\u003eA full bed at mid tension is very controlled — the spin does the work of bringing the ball down.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpin\u003c\/strong\u003e\u003cbr\u003eKeep Helix in the mains at mid-to-low tension for maximum grip and snap-back.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComfort\u003c\/strong\u003e\u003cbr\u003eStiff — reserve a full bed for durable arms, or cross with a soft multi.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTension Stability\u003c\/strong\u003e\u003cbr\u003eSlides faster than a round poly because of the profile — restring on a schedule.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDurability\u003c\/strong\u003e\u003cbr\u003eUse a thicker gauge to slow the profile wear.\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\u003eSpiral (twisted profile)\u003c\/p\u003e\n\u003cp\u003eComposition:\u003cbr\u003eFirm co-polyester\u003c\/p\u003e\n\u003cp\u003eAvailable Colours:\u003cbr\u003eWhite\u003c\/p\u003e\n\u003cp\u003eAvailable Gauges:\u003cbr\u003e1.20 \/ 1.25 \/ 1.30 mm\u003c\/p\u003e","brand":"Kirschbaum","offers":[{"title":"1.20","offer_id":54794739155267,"sku":"KIRSCH-STR-450-120","price":9.82,"currency_code":"EUR","in_stock":true},{"title":"1.25","offer_id":54794739188035,"sku":"KIRSCH-STR-450-125","price":9.82,"currency_code":"EUR","in_stock":true},{"title":"1.30","offer_id":54794739220803,"sku":"KIRSCH-STR-450-130","price":9.82,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2061\/2235\/files\/450.jpg?v=1788776693"}],"url":"https:\/\/tenniscube.shop\/collections\/kirschbaum-helix.oembed","provider":"Tennis Cube","version":"1.0","type":"link"}