{"product_id":"bozzello-ermes-hard-5-sliding-per-sistemi-vela-inverter-2","title":"Hard 5 Block - Sliding","description":"\u003ch2\u003eHard 5 Pulley Block for Invert Roller Spearguns\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHard 5 pulley block\u003c\/strong\u003e is a \u003cstrong\u003epulley system\u003c\/strong\u003e specifically designed for Invert \u003cstrong\u003eRoller Speargun technology\u003c\/strong\u003e spearguns. Its main function is to keep the bands neatly arranged, ensuring symmetrical, balanced load distribution across the entire speargun structure.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame\u003c\/strong\u003e: laser-cut stainless steel to ensure high mechanical strength and long-lasting durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley diameter\u003c\/strong\u003e: 18 mm, optimized to ensure smooth band movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley height\u003c\/strong\u003e: 5 mm, sized to promote proper force transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearings\u003c\/strong\u003e: made of Delrin, a high-strength, low-friction material for quiet, reliable operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: ideal for attaching up to 5 bands, allowing a balanced load configuration for greater accuracy during spearfishing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFunctionality and Benefits\u003c\/h3\u003e\n\u003cp\u003eThe Hard 5 system allows optimal load balancing, essential for maintaining stability and accuracy when tracking the speargun. The symmetrical band layout improves power transmission, reducing flex and energy loss along the spear shaft’s trajectory.\u003c\/p\u003e\n\n\u003cp\u003eThe robust design and use of selected materials such as stainless steel and Delrin ensure proven resistance to wear and corrosion, even in marine environments. The compact pulleys and their proper sizing optimize the smoothness of the mechanism, improving band propulsion efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for \u003cstrong\u003espearfishing\u003c\/strong\u003e spearguns with a Roller Speargun system\u003c\/li\u003e\n\u003cli\u003eRecommended for spearfishers who need a balanced, reliable system for managing multiple loads\u003c\/li\u003e\n\u003cli\u003eProvides stable trim, improving control and accuracy in underwater shooting\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ermes","offers":[{"title":"Default Title","offer_id":56926817255769,"sku":"03.0025.00","price":38.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6732\/1945\/files\/Bozzello-hard-5-sliding.png?v=1766639397","url":"https:\/\/deepbluesub.com\/en\/products\/ermes-hard-5-sliding-pulley-for-inverter-sail-systems-2","provider":"DEEP BLUE - Freediving \u0026 Spearfishing","version":"1.0","type":"link"}