{"product_id":"rk-racing-chain-uct2100-50-universal-chain-breaker-and-rivet-tool","title":"RK Racing Chain UCT2100(50) Universal Chain Breaker and Rivet Tool","description":"\u003cp\u003eIn this review of the RK Racing Chain UCT2100(50) Universal Chain Breaker, Cutter, Press-Fit and Rivet Tool the bottom line is straightforward: this tool is built for riders, mechanics, and hobbyists who need a reliable, single tool to cut, press-fit and flare 40 and 50 type chains. The reviewer found it especially valuable for O-ring chains thanks to its accurate press-fit holder and larger pressure bolt that make installing clip or rivet links repeatable and much easier than improvised tools. If precise chain joining and clean riveting matter, this tool delivers.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eChain compatibility:\u003c\/strong\u003e Quickly and easily breaks 40 and 50 type chain for fast chain removal and length adjustments.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePress-fit accuracy:\u003c\/strong\u003e Press-fits tight tolerance 40 and 50 O-ring chain sideplates to the correct depth so clip or rivet links seat properly every time.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSecure components:\u003c\/strong\u003e New design locks components into the tool body and uses a larger pressure bolt to reduce dropped parts and improve user control.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRivet flaring:\u003c\/strong\u003e Flares RK's special pin hole rivet links to the proper dimension, with a flare guard to prevent over riveting.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eErgonomics and ID:\u003c\/strong\u003e Redesigned sure-grip handle improves comfort during use and laser engraved part number makes the tool easy to identify.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eReversible holder plate:\u003c\/strong\u003e Press fit holder plate includes a reversible post to switch between clip plate and rivet plate for versatile installs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis tool is best suited to motorcyclists, garage mechanics and DIYers who work with 40 and 50 type chains and need a compact, multi-function tool to cut, press-fit and flare rivet links without visiting a shop. It particularly benefits those who fit O-ring chains where precise plate seating matters for chain life and seal integrity.\u003c\/p\u003e\n\u003cp\u003eIt is not the right choice for users who need to work on 420\/428 chains unless they also purchase the separate FP428JP and PH428 adapters. Customers seeking a general-purpose press for many chain sizes should verify compatibility before buying.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eSturdy cutting and pin pushing action that eases removal and installation of 40 and 50 chains.\u003c\/li\u003e\n \u003cli\u003eAccurate press-fit holder and reversible post that ensure clip or rivet links sit at the correct depth.\u003c\/li\u003e\n \u003cli\u003eImproved design locks components in place and a larger pressure bolt makes operation smoother and safer.\u003c\/li\u003e\n \u003cli\u003eRivet Flare Pin with a flare guard reduces the risk of over riveting and damaging links.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eDurability reports are mixed among users, so heavy commercial shop use may expose limits over long-term service.\u003c\/li\u003e\n \u003cli\u003eRequires separate adapters to handle specific smaller chain types like 420\/428, which are sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eUCT2100(50)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCompatible chain types\u003c\/td\u003e\n\u003ctd\u003e40 and 50 type chain\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eFunctions\u003c\/td\u003e\n\u003ctd\u003eBreak, cut, press-fit, rivet flare\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePress-fit holder\u003c\/td\u003e\n\u003ctd\u003eReversible post for clip plate or rivet plate\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eRivet feature\u003c\/td\u003e\n\u003ctd\u003eRivet Flare Pin with flare guard\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eRedesigned sure-grip handle\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited lifetime on tool body material and craftsmanship\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe UCT2100(50) is a well-considered multi-function chain tool that saves time and improves consistency for those working on 40 and 50 chains, especially O-ring installs. Its press-fit accuracy, locked components and flare guard make it a smart value for serious DIYers and weekend mechanics, though those needing broader chain compatibility or industrial-level durability should evaluate their workload and consider additional adapters or heavier duty options.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this tool rivet 420 or 428 chains?\u003c\/strong\u003e\u003cbr\u003eNot without the FP428JP and PH428 adapters, which are sold separately; out of the box it is for 40 and 50 chains.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work with O-ring chains?\u003c\/strong\u003e\u003cbr\u003eYes, the press-fit holder and reversible post are designed to press-fit 40 and 50 O-ring chain sideplates to the correct depth for clip or rivet links.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the flare pin safe from over riveting?\u003c\/strong\u003e\u003cbr\u003eYes, the redesigned Rivet Flare Pin includes a flare guard to prevent over riveting and protect the link geometry.\u003c\/p\u003e","brand":"RK Racing Chain","offers":[{"title":"Default Title","offer_id":48179917062363,"sku":"B083B29ZRQ","price":95.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/918i4S2H5aL._AC_SL1500.jpg?v=1769685272","url":"https:\/\/gearmusthave.com\/products\/rk-racing-chain-uct2100-50-universal-chain-breaker-and-rivet-tool","provider":"GearMustHave","version":"1.0","type":"link"}