{"product_id":"tecnifibre-4s-12m-set","title":"Tecnifibre 4S 12m Set","description":"\u003cp\u003eTECNIFIBRE 4S\u003c\/p\u003e\n\u003cp\u003eTecnifibre 4S (Black Code 4S) is a square-section co-polyester built purely for spin. Four sharp edges grab the ball on brushing contact, in a firm, durable construction that keeps the profile sharp. It is offered in a single colour.\u003c\/p\u003e\n\u003cp\u003eIt is Tecnifibre's most aggressive spin poly — firmer and more grabby than the pentagonal Black Code.\u003c\/p\u003e\n\u003ch2\u003eOn-Court Performance\u003c\/h2\u003e\n\u003cp\u003eThe square edges bite the ball hard, producing heavy topspin, sharp dip and aggressive kick. On full swings the ball drops sharply inside the baseline.\u003c\/p\u003e\n\u003cp\u003eThe feel is firm and direct — this is a tournament-style spin string that rewards committed technique rather than a comfortable all-rounder.\u003c\/p\u003e\n\u003cp\u003eControl is strong for a spin-first string once you adapt to the extra dip, and off-centre bite stays consistent.\u003c\/p\u003e\n\u003cp\u003eAs with any four-sided poly the edges round off over time and spin potential fades before the string breaks — restring on a schedule.\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 who want maximum bite\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eAdvanced players with fast, upward swing paths\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers who want to shape and angle the ball aggressively\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers moving up from Black Code who want more grip\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eKick-serve specialists\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\u003eFlat hitters who want a low, dead trajectory\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers who want free depth and power\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePlayers with arm sensitivity\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 of the range or pair with a multifilament in the mains.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eControl\u003c\/strong\u003e\u003cbr\u003eUse a full bed toward the upper tension window.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpin\u003c\/strong\u003e\u003cbr\u003ePut 4S in the mains at mid-range tension to maximise edge grip and snapback.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComfort\u003c\/strong\u003e\u003cbr\u003eHybrid with a soft poly or multifilament in the crosses and avoid high tension.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTension Stability\u003c\/strong\u003e\u003cbr\u003eString mid-range and restring on a schedule.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDurability\u003c\/strong\u003e\u003cbr\u003eMove to a thicker gauge, or hybrid with a poly cross, for frequent breakers.\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\u003eSquare (4-sided)\u003c\/p\u003e\n\u003cp\u003eComposition:\u003cbr\u003eCo-Polyester\u003c\/p\u003e\n\u003cp\u003eAvailable Gauges:\u003cbr\u003e1.20 \/ 1.25 \/ 1.30 mm\u003c\/p\u003e","brand":"Tecnifibre","offers":[{"title":"1.20","offer_id":54784743768387,"sku":"TECNI-STR-5699-120","price":16.22,"currency_code":"EUR","in_stock":true},{"title":"1.25","offer_id":54784743801155,"sku":"TECNI-STR-5699-125","price":16.22,"currency_code":"EUR","in_stock":true},{"title":"1.30","offer_id":54784743833923,"sku":"TECNI-STR-5699-130","price":16.22,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2061\/2235\/files\/14859.jpg?v=1788345104","url":"https:\/\/tenniscube.shop\/products\/tecnifibre-4s-12m-set","provider":"Tennis Cube","version":"1.0","type":"link"}