{"product_id":"testata-roller-mannysub-singola-cuscinetti-vetro","title":"Single Roller Speargun Muzzle Kit - Crystal","description":"\u003ch2\u003eSingle Roller Power Head - Glass Muzzle Kit for Spearguns\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSingle Roller Power Head - Glass Roller Speargun conversion kit\u003c\/strong\u003e, made in Australia, is designed to improve the power and accuracy of spearguns for spearfishing and freediving. This system eliminates traditional recoil by optimizing the use of barrel length for more effective and controlled power transfer.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne-piece main body\u003c\/strong\u003e made from robust molded material for high mechanical strength\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo pulleys with glass bearings\u003c\/strong\u003e with low friction, made from acetal with encapsulated glass balls to withstand sand and salt water, reducing maintenance and ensuring long-term durability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-light side plates\u003c\/strong\u003e in carbon fiber to ensure lightness without compromising strength\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated line guide\u003c\/strong\u003e allowing the attachment of shock absorbers or lines up to 2.5 mm thick\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete with three types of dyneema line\u003c\/strong\u003e, barrel adapter, and rocker link\u003c\/li\u003e\n  \u003cli\u003eAvailable with 14, 16, and 18 mm bands and adapters from 24.5 to 26.5 mm, to fit different speargun sizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBenefits for spearfishing and freediving\u003c\/h3\u003e\n\u003cp\u003eThe roller system allows 100% of the barrel length to be used to drive the shaft, increasing generated power thanks to the pretensioned bands and an optimized ratio between band stretch and shaft weight. This configuration improves the \u003cstrong\u003eaccuracy\u003c\/strong\u003e, \u003cstrong\u003epenetration\u003c\/strong\u003e, \u003cstrong\u003erange\u003c\/strong\u003e, and \u003cstrong\u003ehandling\u003c\/strong\u003e of the speargun. The use of lightweight yet durable materials also contributes to \u003cstrong\u003esmooth movement\u003c\/strong\u003e and better \u003cstrong\u003etrim\u003c\/strong\u003e in the water.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility and Use\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with most Euro-style or South African-style spearguns equipped with a removable cylindrical muzzle\u003c\/li\u003e\n  \u003cli\u003eRecommended for spearguns between 70 and 110 cm in length\u003c\/li\u003e\n  \u003cli\u003eAlso high-performing on 120 to 130 cm spearguns when equipped with 18 mm bands\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation and Maintenance\u003c\/h3\u003e\n\u003cp\u003eThe kit includes detailed, easy-to-follow assembly instructions, allowing for a quick and efficient conversion. The low-maintenance bearings reduce wear and ensure reliable use even in saltwater environments.\u003c\/p\u003e","brand":"MannySub","offers":[{"title":"14.0 mm \/ 24.5 mm","offer_id":56926420107609,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true},{"title":"14.0 mm \/ 25.0 mm","offer_id":56926420140377,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true},{"title":"14.0 mm \/ 25.5 mm","offer_id":56926420173145,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true},{"title":"14.0 mm \/ 26.0 mm","offer_id":56926420205913,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true},{"title":"14.0 mm \/ 26.5 mm","offer_id":56926420238681,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 24.5 mm","offer_id":56926420271449,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 25.0 mm","offer_id":56926420304217,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 25.5 mm","offer_id":56926420336985,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 26.0 mm","offer_id":56926420369753,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true},{"title":"16.0 mm \/ 26.5 mm","offer_id":56926420402521,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true},{"title":"18.0 mm \/ 24.5 mm","offer_id":56926420435289,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true},{"title":"18.0 mm \/ 25.0 mm","offer_id":56926420468057,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true},{"title":"18.0 mm \/ 25.5 mm","offer_id":56926420500825,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true},{"title":"18.0 mm \/ 26.0 mm","offer_id":56926420533593,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true},{"title":"18.0 mm \/ 26.5 mm","offer_id":56926420566361,"sku":null,"price":149.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6732\/1945\/files\/Kit_Testata_Roller_Singola_-_Cristallo.png?v=1782070548","url":"https:\/\/deepbluesub.com\/en\/products\/mannysub-single-roller-muzzle-glass-bearings","provider":"DEEP BLUE - Freediving \u0026 Spearfishing","version":"1.0","type":"link"}