{"product_id":"rk-drive-chain","title":"RK Drive Chain","description":"\u003cp\u003eUpgrade your motorcycle's performance with our comprehensive range of high-performance drive chains, engineered by RK EXCEL to meet the rigorous demands of street, off-road, and professional racing environments. Whether you are maintaining a vintage classic, a daily commuter, or a high-horsepower track machine, these chains provide the ultimate blend of durability, efficiency, and strength.\u003c\/p\u003e\n\n\u003cp\u003eOur collection features advanced sealing technologies designed to maximize chain life while minimizing horsepower loss. From traditional O-rings made of Nitrite Butadiene to proprietary Ultra-Thin U-Rings and UW-Rings, these seals are engineered to lock in lubrication and reduce friction. The specialized racing series incorporates MotoGP and FIM Suzuka 8 Hour Endurance technology, proven to deliver superior performance under extreme stress.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePremium Construction and Engineering\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEach chain is manufactured using high-quality materials such as carbon alloy steel, heat-treated and shot-peened for maximum tensile strength. Many models utilize solid bush construction and are pre-stressed and pre-stretched to ensure minimal elongation and consistent performance throughout the life of the chain. For vintage enthusiasts, we offer narrow-clearance designs specifically tailored for classic British and Japanese motorcycles, allowing for modern sealed-chain protection in tight configurations.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications and Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Performance Range:\u003c\/strong\u003e Tensile strengths ranging from 4,540 lbs for lightweight applications up to over 10,430 lbs for heavy-duty endurance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Suitable for engines ranging from 150cc up to 1400cc, supporting power outputs from 25 HP to over 265 HP.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Sealing:\u003c\/strong\u003e Options include O-ring, U-ring, UW-ring, and XW-ring technologies to balance weight and durability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRace-Ready Design:\u003c\/strong\u003e Lightweight professional racing options developed in collaboration with World Superbike teams to ensure optimal power delivery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVintage Compatibility:\u003c\/strong\u003e Specialized narrow-width chains designed for OEM replacement on vintage motorcycles from the 1970s through the 1990s.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliable Hardware:\u003c\/strong\u003e Depending on the specific series and application, chains include high-quality clip-type or rivet-type master links for secure installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eExperience the precision engineering of a world leader in drive technology. By reducing drag and maintaining high horsepower transmission efficiency, these chains ensure your motorcycle performs at its peak, mile after mile.\u003c\/p\u003e","brand":"RK EXCEL","offers":[{"title":"Black \/ 420 X 120 \/ Bl420mru","offer_id":47936441647332,"sku":"691-1801BK","price":160.04,"currency_code":"USD","in_stock":true},{"title":"Black \/ 420 X 130 \/ Bl420mru","offer_id":47936441680100,"sku":"691-1802BK","price":173.37,"currency_code":"USD","in_stock":true},{"title":"Black \/ 520 X 120 \/ Bl520zxw","offer_id":47936441712868,"sku":"691-5001BK","price":282.32,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ 520 X 120 \/ Cc520zxw","offer_id":47936441745636,"sku":"691-5001C","price":237.08,"currency_code":"USD","in_stock":true},{"title":"Gold \/ 415 X 120 \/ Gb415hru","offer_id":47936441778404,"sku":"691-1701G","price":141.11,"currency_code":"USD","in_stock":true},{"title":"Gold \/ 520 X 120 \/ 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