{"product_id":"testata-roller-mannysub-singola-cuscinetti-ceramica","title":"Single Roller Speargun Muzzle Kit - Ceramic","description":"\u003ch2\u003eSingle Roller Power Head Muzzle Kit - Ceramic\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePremium roller conversion kit\u003c\/strong\u003e Single Roller Power Head - Ceramic, made in Australia, is designed for installation on spearguns with a removable cylindrical muzzle. This system significantly improves power and accuracy in spearfishing, delivering greater penetration and range with superior control.\u003c\/p\u003e\n\n\u003ch3\u003eMain Technical Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-speed ceramic bearings:\u003c\/strong\u003e four bearings (two per pulley) made from ceramic material with encapsulated balls, designed to reduce friction and increase power-transfer efficiency. Resistant to sand and saltwater, virtually maintenance-free. They are covered by a lifetime warranty.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-performance small-ID bands:\u003c\/strong\u003e 15, 16, or 18 mm bands with a 1 mm inner-diameter hole, offering high elastic performance to optimize pretension and maximize shaft thrust.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWraparound carbon fiber side plates:\u003c\/strong\u003e 2 mm thick, ultra-lightweight and strong, fully protecting the pulleys and bearings from impacts while improving the kit’s mechanical strength without adding weight.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMolded one-piece body:\u003c\/strong\u003e solid and lightweight structure, designed for superior durability and balanced trim when swinging the speargun.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated line guide:\u003c\/strong\u003e allows the muzzle shock absorber to be secured and accommodates lines up to 2.5 mm thick, for versatile and safe installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete with three types of Dyneema line:\u003c\/strong\u003e to choose the most effective setup based on your spearfishing needs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRocker tie and barrel adapter:\u003c\/strong\u003e available for diameters from 24.5 to 26.5 mm, for compatibility with various speargun models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical and Functional Benefits\u003c\/h3\u003e\n\u003cp\u003eThe Roller Speargun system eliminates the recoil typical of traditional muzzles and uses 100% of the barrel length to propel the shaft, increasing power without increasing the freediver’s effort. By optimizing the ratio between band stretch and shaft weight, the kit generates more effective thrust, improving \u003cstrong\u003eaccuracy\u003c\/strong\u003e, \u003cstrong\u003eshaft penetration\u003c\/strong\u003e, and \u003cstrong\u003ehandling\u003c\/strong\u003e of the speargun while freediving.\u003c\/p\u003e\n\n\u003cp\u003eThe lightness of carbon fiber and the low mechanical resistance of the ceramic bearings contribute to superior \u003cstrong\u003esmoothness\u003c\/strong\u003e and \u003cstrong\u003eresponsiveness\u003c\/strong\u003e when shooting. Its simple construction makes assembly easy and ensures long-lasting reliability over time.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility and Usage Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThe kit is recommended for spearguns from 70 to 110 cm in length, but it can also be used effectively on 120 to 130 cm spearguns by installing 16 or 18 mm bands.\u003c\/li\u003e\n  \u003cli\u003eCompatible with most Euro and South African spearguns with a removable cylindrical muzzle.\u003c\/li\u003e\n  \u003cli\u003eAssembly instructions included to ensure correct and safe installation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MannySub","offers":[{"title":"15.0 mm \/ 24.5 mm","offer_id":56926421254489,"sku":null,"price":199.9,"currency_code":"EUR","in_stock":true},{"title":"15.0 mm \/ 25.0 mm","offer_id":56926421287257,"sku":null,"price":199.9,"currency_code":"EUR","in_stock":true},{"title":"15.0 mm \/ 25.5 mm","offer_id":56926421320025,"sku":null,"price":199.9,"currency_code":"EUR","in_stock":true},{"title":"15.0 mm \/ 26.0 mm","offer_id":56926421352793,"sku":null,"price":199.9,"currency_code":"EUR","in_stock":true},{"title":"15.0 mm \/ 26.5 mm","offer_id":56926421385561,"sku":null,"price":199.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 24.5 mm","offer_id":56926421418329,"sku":null,"price":199.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 25.0 mm","offer_id":56926421451097,"sku":null,"price":199.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 25.5 mm","offer_id":56926421483865,"sku":null,"price":199.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 26.0 mm","offer_id":56926421516633,"sku":null,"price":199.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 26.5 mm","offer_id":56926421549401,"sku":null,"price":199.9,"currency_code":"EUR","in_stock":true},{"title":"18.0 mm \/ 24.5 mm","offer_id":56926421582169,"sku":null,"price":199.9,"currency_code":"EUR","in_stock":true},{"title":"18.0 mm \/ 25.0 mm","offer_id":56926421614937,"sku":"PREM-ED-KIT130-18\/AD25","price":199.9,"currency_code":"EUR","in_stock":true},{"title":"18.0 mm \/ 25.5 mm","offer_id":56926421647705,"sku":"PREM-ED-KIT130-18\/AD255","price":199.9,"currency_code":"EUR","in_stock":true},{"title":"18.0 mm \/ 26.0 mm","offer_id":56926421680473,"sku":"PREM-ED-KIT130-18\/AD26","price":199.9,"currency_code":"EUR","in_stock":true},{"title":"18.0 mm \/ 26.5 mm","offer_id":56926421713241,"sku":"PREM-ED-KIT130-18\/AD265","price":199.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6732\/1945\/files\/Kit_Testata_Roller_Singola_-_Ceramica.png?v=1782070532","url":"https:\/\/deepbluesub.com\/en\/products\/mannysub-single-roller-muzzle-ceramic-bearings","provider":"DEEP BLUE - Freediving \u0026 Spearfishing","version":"1.0","type":"link"}