{"title":"Extension Handles","description":"\u003cp\u003e3D-printed handle extensions that add reach and swingweight without dead weight. You set the extension length in millimetres — roughly 1.6 swingweight points per mm — along with grip size and handle shape. Each extension is engineered to fit a specific racket model.\u003c\/p\u003e","products":[{"product_id":"racket-extension-handle-for-babolat-pure-aero-rackets","title":"Racket Extension Handle [for Babolat Pure Aero Rackets]","description":"\u003ch3\u003eRacket Handle Extension Handle [for Babolat Pure Aero Rackets]\u003c\/h3\u003e\n\u003cp\u003eA handle extension for Babolat Pure Aero rackets, built to add reach and swingweight without adding unnecessary mass.\u003c\/p\u003e\n\u003ch4\u003eVariables you set\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eExtension length: 1–25 mm\u003c\/li\u003e\n\u003cli\u003eHandle shape: A, B, or C (see grip shapes)\u003c\/li\u003e\n\u003cli\u003eHandle size: L2–L5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat extension length changes\u003c\/h4\u003e\n\u003cp\u003eEach 1 mm of extension adds approximately 1.6 swingweight points. Longer extensions raise swingweight with comparatively little added mass — lower polarization, which can improve MGR\/I, a key factor in racket playability. Extension also adds reach and can improve shot stability.\u003c\/p\u003e\n\u003ch4\u003eSpec\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFit: engineered specifically for Babolat racket handles — secure, seamless attachment\u003c\/li\u003e\n\u003cli\u003eWeight: approximately 25–30 g depending on extension length and grip size\u003c\/li\u003e\n\u003cli\u003eInstallation: compatible with standard Babolat buttcaps; glue recommended over staples\u003c\/li\u003e\n\u003cli\u003eBuilt to order: made on request. Lead time confirmed at the time you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tier Zero Sports","offers":[{"title":"L2 \/ A","offer_id":55014226362701,"sku":"PAL-BAB-PA1-EX-L2-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L2 \/ B","offer_id":55014226395469,"sku":"PAL-BAB-PA1-EX-L2-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L2 \/ C","offer_id":55014226428237,"sku":"PAL-BAB-PA1-EX-L2-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L3 \/ A","offer_id":55014226461005,"sku":"PAL-BAB-PA1-EX-L3-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L3 \/ B","offer_id":55014226493773,"sku":"PAL-BAB-PA1-EX-L3-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L3 \/ C","offer_id":55014226526541,"sku":"PAL-BAB-PA1-EX-L3-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L4 \/ A","offer_id":55014226559309,"sku":"PAL-BAB-PA1-EX-L4-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L4 \/ B","offer_id":55014226592077,"sku":"PAL-BAB-PA1-EX-L4-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L4 \/ C","offer_id":55014226624845,"sku":"PAL-BAB-PA1-EX-L4-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L5 \/ A","offer_id":55014226657613,"sku":"PAL-BAB-PA1-EX-L5-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L5 \/ B","offer_id":55014226690381,"sku":"PAL-BAB-PA1-EX-L5-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L5 \/ C","offer_id":55014226723149,"sku":"PAL-BAB-PA1-EX-L5-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L6 \/ A","offer_id":55014226755917,"sku":"PAL-BAB-PA1-EX-L6-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L6 \/ B","offer_id":55014226788685,"sku":"PAL-BAB-PA1-EX-L6-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L6 \/ C","offer_id":55014226821453,"sku":"PAL-BAB-PA1-EX-L6-C","price":120.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/6236\/2189\/files\/Babolat-extension_1-scaled.jpg?v=1791655364"},{"product_id":"racket-handle-extension-handle-for-head-boom-rackets","title":"Racket Handle Extension Handle [for Head Boom Rackets]","description":"\u003ch3\u003eRacket Handle Extension Handle [for Head Boom Rackets]\u003c\/h3\u003e\n\u003cp\u003eA handle extension for Head Boom rackets, built to add reach and swingweight without adding unnecessary mass.\u003c\/p\u003e\n\u003ch4\u003eVariables you set\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eExtension length: 1–25 mm\u003c\/li\u003e\n\u003cli\u003eHandle shape: A, B, or C (see grip shapes)\u003c\/li\u003e\n\u003cli\u003eHandle size: L2–L5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat extension length changes\u003c\/h4\u003e\n\u003cp\u003eEach 1 mm of extension adds approximately 1.6 swingweight points. Longer extensions raise swingweight with comparatively little added mass — lower polarization, which can improve MGR\/I, a key factor in racket playability. Extension also adds reach and can improve shot stability.\u003c\/p\u003e\n\u003ch4\u003eSpec\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFit: engineered specifically for Head racket handles — secure, seamless attachment\u003c\/li\u003e\n\u003cli\u003eWeight: approximately 25–30 g depending on extension length and grip size\u003c\/li\u003e\n\u003cli\u003eInstallation: compatible with standard Head buttcaps; glue recommended over staples\u003c\/li\u003e\n\u003cli\u003eBuilt to order: made on request. Lead time confirmed at the time you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tier Zero Sports","offers":[{"title":"L2 \/ A","offer_id":55014228164941,"sku":"PAL-H-B1-EX-3-L2-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L2 \/ B","offer_id":55014228197709,"sku":"PAL-H-B1-EX-3-L2-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L2 \/ C","offer_id":55014228230477,"sku":"PAL-H-B1-EX-3-L2-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L3 \/ A","offer_id":55014228263245,"sku":"PAL-H-B1-EX-3-L3-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L3 \/ B","offer_id":55014228296013,"sku":"PAL-H-B1-EX-3-L3-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L3 \/ C","offer_id":55014228328781,"sku":"PAL-H-B1-EX-3-L3-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L4 \/ A","offer_id":55014228361549,"sku":"PAL-H-B1-EX-3-L4-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L4 \/ B","offer_id":55014228394317,"sku":"PAL-H-B1-EX-3-L4-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L4 \/ C","offer_id":55014228427085,"sku":"PAL-H-B1-EX-3-L4-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L5 \/ A","offer_id":55014228459853,"sku":"PAL-H-B1-EX-3-L5-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L5 \/ B","offer_id":55014228492621,"sku":"PAL-H-B1-EX-3-L5-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L5 \/ C","offer_id":55014228525389,"sku":"PAL-H-B1-EX-3-L5-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L6 \/ A","offer_id":55014228558157,"sku":"PAL-H-B1-EX-3-L6-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L6 \/ B","offer_id":55014228590925,"sku":"PAL-H-B1-EX-3-L6-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L6 \/ C","offer_id":55014228623693,"sku":"PAL-H-B1-EX-3-L6-C","price":120.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/6236\/2189\/files\/Speed_xtension_7-scaled.jpg?v=1791655365"},{"product_id":"racket-handle-extension-handle-for-head-extreme-rackets","title":"Racket Handle Extension Handle [for Head Extreme Rackets]","description":"\u003ch3\u003eRacket Handle Extension Handle [for Head Extreme Rackets]\u003c\/h3\u003e\n\u003cp\u003eA handle extension for Head Extreme rackets, built to add reach and swingweight without adding unnecessary mass.\u003c\/p\u003e\n\u003ch4\u003eVariables you set\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eExtension length: 1–25 mm\u003c\/li\u003e\n\u003cli\u003eHandle shape: A, B, or C (see grip shapes)\u003c\/li\u003e\n\u003cli\u003eHandle size: L2–L5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat extension length changes\u003c\/h4\u003e\n\u003cp\u003eEach 1 mm of extension adds approximately 1.6 swingweight points. Longer extensions raise swingweight with comparatively little added mass — lower polarization, which can improve MGR\/I, a key factor in racket playability. Extension also adds reach and can improve shot stability.\u003c\/p\u003e\n\u003ch4\u003eSpec\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFit: engineered specifically for Head racket handles — secure, seamless attachment\u003c\/li\u003e\n\u003cli\u003eWeight: approximately 25–30 g depending on extension length and grip size\u003c\/li\u003e\n\u003cli\u003eInstallation: compatible with standard Head buttcaps; glue recommended over staples\u003c\/li\u003e\n\u003cli\u003eBuilt to order: made on request. Lead time confirmed at the time you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tier Zero Sports","offers":[{"title":"L2 \/ A","offer_id":55014229115213,"sku":"PAL-H-E1-EX-1-L2-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L2 \/ B","offer_id":55014229147981,"sku":"PAL-H-E1-EX-1-L2-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L2 \/ C","offer_id":55014229180749,"sku":"PAL-H-E1-EX-1-L2-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L3 \/ A","offer_id":55014229213517,"sku":"PAL-H-E1-EX-1-L3-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L3 \/ B","offer_id":55014229246285,"sku":"PAL-H-E1-EX-1-L3-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L3 \/ C","offer_id":55014229279053,"sku":"PAL-H-E1-EX-1-L3-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L4 \/ A","offer_id":55014229311821,"sku":"PAL-H-E1-EX-1-L4-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L4 \/ B","offer_id":55014229344589,"sku":"PAL-H-E1-EX-1-L4-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L4 \/ C","offer_id":55014229377357,"sku":"PAL-H-E1-EX-1-L4-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L5 \/ A","offer_id":55014229410125,"sku":"PAL-H-E1-EX-1-L5-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L5 \/ B","offer_id":55014229442893,"sku":"PAL-H-E1-EX-1-L5-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L5 \/ C","offer_id":55014229475661,"sku":"PAL-H-E1-EX-1-L5-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L6 \/ A","offer_id":55014229508429,"sku":"PAL-H-E1-EX-1-L6-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L6 \/ B","offer_id":55014229541197,"sku":"PAL-H-E1-EX-1-L6-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L6 \/ C","offer_id":55014229573965,"sku":"PAL-H-E1-EX-1-L6-C","price":120.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/6236\/2189\/files\/Speed_xtension_7-scaled_6e5507ff-9bc8-4ade-8bae-e0d001cbc0a4.jpg?v=1791655366"},{"product_id":"racket-handle-extension-handle-for-head-gravity-rackets","title":"Racket Handle Extension Handle [for Head Gravity Rackets]","description":"\u003ch3\u003eRacket Handle Extension Handle [for Head Gravity Rackets]\u003c\/h3\u003e\n\u003cp\u003eA handle extension for Head Gravity rackets, built to add reach and swingweight without adding unnecessary mass.\u003c\/p\u003e\n\u003ch4\u003eVariables you set\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eExtension length: 1–25 mm\u003c\/li\u003e\n\u003cli\u003eHandle shape: A, B, or C (see grip shapes)\u003c\/li\u003e\n\u003cli\u003eHandle size: L2–L5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat extension length changes\u003c\/h4\u003e\n\u003cp\u003eEach 1 mm of extension adds approximately 1.6 swingweight points. Longer extensions raise swingweight with comparatively little added mass — lower polarization, which can improve MGR\/I, a key factor in racket playability. Extension also adds reach and can improve shot stability.\u003c\/p\u003e\n\u003ch4\u003eSpec\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFit: engineered specifically for Head racket handles — secure, seamless attachment\u003c\/li\u003e\n\u003cli\u003eWeight: approximately 25–30 g depending on extension length and grip size\u003c\/li\u003e\n\u003cli\u003eInstallation: compatible with standard Head buttcaps; glue recommended over staples\u003c\/li\u003e\n\u003cli\u003eBuilt to order: made on request. Lead time confirmed at the time you order.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tier Zero Sports","offers":[{"title":"L2 \/ A","offer_id":55014231441741,"sku":"PAL-H-G1-EX-1-L2-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L2 \/ B","offer_id":55014231474509,"sku":"PAL-H-G1-EX-1-L2-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L2 \/ C","offer_id":55014231507277,"sku":"PAL-H-G1-EX-1-L2-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L3 \/ A","offer_id":55014231540045,"sku":"PAL-H-G1-EX-1-L3-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L3 \/ B","offer_id":55014231572813,"sku":"PAL-H-G1-EX-1-L3-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L3 \/ C","offer_id":55014231605581,"sku":"PAL-H-G1-EX-1-L3-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L4 \/ A","offer_id":55014231638349,"sku":"PAL-H-G1-EX-1-L4-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L4 \/ B","offer_id":55014231671117,"sku":"PAL-H-G1-EX-1-L4-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L4 \/ C","offer_id":55014231703885,"sku":"PAL-H-G1-EX-1-L4-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L5 \/ A","offer_id":55014231736653,"sku":"PAL-H-G1-EX-1-L5-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L5 \/ B","offer_id":55014231769421,"sku":"PAL-H-G1-EX-1-L5-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L5 \/ C","offer_id":55014231802189,"sku":"PAL-H-G1-EX-1-L5-C","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L6 \/ A","offer_id":55014231834957,"sku":"PAL-H-G1-EX-1-L6-A","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L6 \/ B","offer_id":55014231867725,"sku":"PAL-H-G1-EX-1-L6-B","price":120.0,"currency_code":"EUR","in_stock":true},{"title":"L6 \/ C","offer_id":55014231900493,"sku":"PAL-H-G1-EX-1-L6-C","price":120.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/6236\/2189\/files\/Speed_xtension_7-scaled_1042b5a6-cb37-4ca2-8fe6-13839e6f81d8.jpg?v=1791655367"},{"product_id":"racket-handle-extension-handle-for-head-prestige-rackets","title":"Racket Handle Extension Handle [for Head Prestige Rackets]","description":"\u003ch3\u003eRacket Handle Extension Handle [for Head Prestige Rackets]\u003c\/h3\u003e\n\u003cp\u003eA handle extension for Head Prestige rackets, built to add reach and swingweight without adding unnecessary mass.\u003c\/p\u003e\n\u003ch4\u003eVariables you set\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eExtension length: 1–25 mm\u003c\/li\u003e\n\u003cli\u003eHandle shape: A, B, or C (see grip shapes)\u003c\/li\u003e\n\u003cli\u003eHandle size: L2–L5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat extension length changes\u003c\/h4\u003e\n\u003cp\u003eEach 1 mm of extension adds approximately 1.6 swingweight points. Longer extensions raise swingweight with comparatively little added mass — lower polarization, which can improve MGR\/I, a key factor in racket playability. Extension also adds reach and can improve shot stability.\u003c\/p\u003e\n\u003ch4\u003eSpec\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFit: engineered specifically for Head racket handles — secure, seamless attachment\u003c\/li\u003e\n\u003cli\u003eWeight: approximately 25–30 g depending on extension length and grip size\u003c\/li\u003e\n\u003cli\u003eInstallation: compatible with standard Head buttcaps; glue recommended over staples\u003c\/li\u003e\n\u003cli\u003eBuilt to order: made on request. 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