{"product_id":"pulegge-a-rullo-coppia-sigal-sub","title":"Roller Pulleys","description":"\u003ch2\u003eRoller Pulleys - SigalSub\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSigalSub roller pulleys\u003c\/strong\u003e are replacement and upgrade components specifically designed for \u003cstrong\u003eroller system band spearguns\u003c\/strong\u003e. Sold as a \u003cstrong\u003epair\u003c\/strong\u003e, they are an integral part of the \u003cstrong\u003eSigalSub Roller Speargun Line\u003c\/strong\u003e and stand out for their \u003cstrong\u003einternal roller\u003c\/strong\u003e, which reduces band friction during loading and shooting, ensuring smoother operation compared to standard pulleys.\u003c\/p\u003e\n\u003ch3\u003eRoller Speargun Technology: Why Pulleys Make the Difference\u003c\/h3\u003e\n\u003cp\u003eIn \u003cstrong\u003eroller spearguns for spearfishing\u003c\/strong\u003e, the muzzle pulleys redirect the bands underneath the barrel as well, increasing the effective propulsion stroke. Pulley quality directly affects \u003cstrong\u003eshaft exit speed, shooting power, range\u003c\/strong\u003e, and loading smoothness. SigalSub roller pulleys optimize this energy transfer, \u003cstrong\u003eminimizing load loss\u003c\/strong\u003e and ensuring consistent performance dive after dive.\u003c\/p\u003e\n\u003ch3\u003eTechnical Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e roller pulleys with internal rotating core\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley outer diameter:\u003c\/strong\u003e mm 26\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley groove diameter:\u003c\/strong\u003e mm 20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e pair (2 pulleys)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e corrosion-resistant materials, suitable for saltwater use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e muzzles and roller kits from the SigalSub Roller Speargun Line\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced friction:\u003c\/strong\u003e the internal roller allows the bands to slide smoothly, reducing energy loss compared to standard pulleys\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreater power and speed:\u003c\/strong\u003e optimized energy transfer results in smoother, more powerful, and more accurate shots\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion resistance:\u003c\/strong\u003e robust construction suitable for prolonged use in marine environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect upgrade:\u003c\/strong\u003e ideal replacement part for upgrading or replacing existing pulleys on SigalSub roller muzzles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliability:\u003c\/strong\u003e consistent performance under pressure, even during deep-water spearfishing sessions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho They Are For\u003c\/h3\u003e\n\u003cp\u003eThese pulleys are the reference replacement part for anyone who owns a \u003cstrong\u003eSigalSub roller band speargun\u003c\/strong\u003e and wants to restore or improve the performance of their equipment. They are also the ideal choice for those who want to \u003cstrong\u003ebuild or customize a roller muzzle\u003c\/strong\u003e to their specifications, pairing them with axle pins, stoppers, and kits available in the SigalSub Roller Speargun Line.\u003c\/p\u003e","brand":"Sigal Sub","offers":[{"title":"Default Title","offer_id":56926849565017,"sku":"551b-PR","price":18.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6732\/1945\/files\/sigal-pulegge-rullo.png?v=1779197559","url":"https:\/\/deepbluesub.com\/en\/products\/sigal-sub-pair-of-roller-pulleys","provider":"DEEP BLUE - Freediving \u0026 Spearfishing","version":"1.0","type":"link"}