{"product_id":"rk-excel-gb415hru-rl-gold-rivet-master-link-for-415-racing-chain","title":"RK Excel GB415HRU-RL Gold Rivet Master Link for 415 Racing Chain","description":"415 Sprint Racing Chain Series Features RK’s proprietary Ultra Thin U Seal Rings. U-Rings have a seal thickness less than 50% of the common O-ring seal, making it possible to design a Sealed Chain with the weight of a Non-Sealed Chain. Running a Sealed Chain on race machines can minimize the elongation of the chain, keeping high horsepower transmission efficiency throughout the duration of the race. HRU Racing Chain Series are designed strictly for\n\u003cp\u003eThe RK Excel GB415HRU-RL is a gold rivet master link designed for RK 415 HRU racing chain applications. It provides a secure connection for compatible 415 Sprint Racing Chain Series assemblies and is intended for race machines using narrow, high-performance drivetrains. The link is manufactured for use with RK’s proprietary Ultra Thin U Seal Ring system, which helps retain the low weight and reduced friction characteristics required for racing.\u003c\/p\u003e\u003cp\u003eDesigned specifically for competition use, the RK Excel GB415HRU-RL master link supports the GB415HRU racing chain series used on race motorcycles and other suitable machines up to 250cc. Proper fitment requires a compatible RK 415 HRU chain and installation using the correct riveting procedure and tools. This component is not intended for general street use or applications outside the recommended racing specifications.\u003c\/p\u003e\u003cp\u003eRK Excel manufacturer part number GB415HRU-RL is supplied as a gold rivet-style master link for reliable chain assembly. When correctly installed, it helps maintain chain integrity under demanding race conditions while preserving the lightweight design of the 415 HRU series. Always verify chain series, pitch, seal configuration, and manufacturer installation requirements before fitting.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: RK Excel\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: GB415HRU-RL\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 691-1700G\u003c\/li\u003e\n\u003cli\u003eApplication: Master link for compatible RK 415 HRU racing chains\u003c\/li\u003e\n\u003cli\u003eLink Style: Gold rivet master link\u003c\/li\u003e\n\u003cli\u003eChain Series: RK 415 Sprint Racing Chain Series\u003c\/li\u003e\n\u003cli\u003eSeal Compatibility: Designed for RK Ultra Thin U Seal Ring chain systems\u003c\/li\u003e\n\u003cli\u003eFitment: Suitable for compatible race machines up to 250cc and 60 horsepower\u003c\/li\u003e\n\u003cli\u003eUse: Racing only\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RK EXCEL","offers":[{"title":"Default Title","offer_id":67558317490411,"sku":"691-1700G","price":10.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/629c-6936f1d516ecf.png?v=1790758553","url":"https:\/\/ctracingservices.com\/products\/rk-excel-gb415hru-rl-gold-rivet-master-link-for-415-racing-chain","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}