{"product_id":"testata-doppio-roller-mannysub-cuscinetti-vetro","title":"Double Roller Speargun Muzzle Kit - Crystal","description":"\u003ch2\u003eDouble Roller Power Head Muzzle Kit - Glass\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDouble Roller Power Head - Glass\u003c\/strong\u003e conversion kit, made in Australia, is designed for those looking for a precise and functional double Roller Speargun Muzzle for freediving and spearfishing spearguns.\u003c\/p\u003e\n\n\u003ch3\u003eDesign and Construction\u003c\/h3\u003e\n\u003cp\u003eThe Muzzle features an innovative system with \u003cstrong\u003einline pulleys\u003c\/strong\u003e, characterized by different diameters: the front pulley is larger than the rear one. This solution prevents the Bands from overlapping and allows for compact wraparound along the speargun barrel, reducing bulk and hydrodynamic drag. The result is smoother, more controlled tracking during the shot phase.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Components\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRobust main body, molded construction\u003c\/li\u003e\n  \u003cli\u003e4 pulleys with glass bearings for optimal smoothness\u003c\/li\u003e\n  \u003cli\u003eUltra-light carbon fiber side plates to reduce overall weight\u003c\/li\u003e\n  \u003cli\u003eIntegrated line guide, suitable for lines up to 3.2 mm thick\u003c\/li\u003e\n  \u003cli\u003eThree types of Dyneema line included in the kit\u003c\/li\u003e\n  \u003cli\u003eBarrel adapter available for diameters from 24.5 to 26.5 mm\u003c\/li\u003e\n  \u003cli\u003eBands available in 14 and 16 mm diameters\u003c\/li\u003e\n  \u003cli\u003eRocker linkage and detailed instructions for simple, correct assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFunctionality\u003c\/h3\u003e\n\u003cp\u003eThe integrated anchor point allows attachment of the Muzzle bungee. The dual line guide allows the shaft to be secured to the Muzzle, with the shooting line positionable on either the right or left side, offering greater flexibility in setups.\u003c\/p\u003e\n\n\u003ch3\u003eConfigurations and Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 pairs of 14 mm Bands to drive 8.0 mm shafts at high speed\u003c\/li\u003e\n  \u003cli\u003e2 pairs of 16 mm Bands for 8.5 mm shafts on 100 to 140 cm spearguns, delivering high speed and power\u003c\/li\u003e\n  \u003cli\u003eSupports the use of lightweight 7.5 mm shafts with reduced pretensioning and 14 mm Bands\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese options allow the kit to be adapted to the specific needs of the freediver or spearfisher, optimizing speargun thrust and accuracy.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Advantages\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimized bulk\u003c\/strong\u003e thanks to the compact design of the inline pulleys\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtremely low friction\u003c\/strong\u003e between the Bands, increasing propulsion efficiency\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight\u003c\/strong\u003e construction ensured by carbon fiber and the fiberglass body\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh mechanical strength\u003c\/strong\u003e and component durability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy assembly\u003c\/strong\u003e and maintenance ensured by the illustrated instructions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MannySub","offers":[{"title":"14.0 mm \/ 24.5 mm","offer_id":56926427447641,"sku":"DPK130-14\/AD245","price":229.9,"currency_code":"EUR","in_stock":true},{"title":"14.0 mm \/ 25.0 mm","offer_id":56926427480409,"sku":"DPK130-14\/AD25","price":229.9,"currency_code":"EUR","in_stock":true},{"title":"14.0 mm \/ 25.5 mm","offer_id":56926427513177,"sku":"DPK130-14\/AD255","price":229.9,"currency_code":"EUR","in_stock":true},{"title":"14.0 mm \/ 26.0 mm","offer_id":56926427545945,"sku":"DPK130-14\/AD26","price":229.9,"currency_code":"EUR","in_stock":true},{"title":"14.0 mm \/ 26.5 mm","offer_id":56926427578713,"sku":"DPK130-14\/AD265","price":229.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 24.5 mm","offer_id":56926427611481,"sku":"DPK130-16\/AD245","price":229.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 25.5 mm","offer_id":56926427644249,"sku":"DPK130-16\/AD255","price":229.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 26.0 mm","offer_id":56926427677017,"sku":"DPK130-16\/AD26","price":229.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 26.5 mm","offer_id":56926427709785,"sku":"DPK130-16\/AD265","price":229.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 25.0 mm","offer_id":56926427742553,"sku":"DPK130-16\/AD25","price":229.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6732\/1945\/files\/Kit_Testata_Roller_Doppia_-_Cristallo.png?v=1782070504","url":"https:\/\/deepbluesub.com\/en\/products\/mannysub-double-roller-muzzle-glass-bearings","provider":"DEEP BLUE - Freediving \u0026 Spearfishing","version":"1.0","type":"link"}