{"product_id":"700c-rim-brake-road-bike-21mm-internal-width-50mm-deep-clincher-carbon-rim","title":"R21-50 rim brake road bike 21mm internal width 50mm deep clincher carbon rim - 510g","description":"\u003cp\u003e\u003cstrong\u003eProduct Item\u003c\/strong\u003e: R21-50 rim brake road bike 21mm internal width 50mm deep clincher carbon rim - 510g\u003c\/p\u003e\n\u003cp\u003eEngineered for riders who demand speed, control, and all‑weather confidence, the R21‑50 is a high‑performance 700C carbon rim built for modern road setups. Its 21mm internal and 28mm external width support 25C–43C tubeless or clincher tires, delivering lower rolling resistance, improved comfort, and enhanced cornering grip.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eRim Specs\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRim Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eR21-50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eToray T700 premium carbon fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e700C (ETRTO 622mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoad\/ Time Trial \/ Triathlon\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBead Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClincher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubeless Ready\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInner\/Outer Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21mm\/28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDepth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eERD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e545mm (including nipple head dimension)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e510g±20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffset\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0mm (symmetric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003eMax Cyclist Weight (on flat ground)\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd\u003e125kgs \/ 276lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpoke Hole Angle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±7°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpoke Tension\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 ~115kgf front, 120~135kgf rear drive side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTire Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e125psi \/ 8.62bar (recommended max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTire Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25C ~ 43C (recommended)\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eIf you can't find the specs you need, please contact us directly to see what we can do, we will do our best to help you.\u003c\/span\u003e\u003c\/p\u003e","brand":"Carbonal","offers":[{"title":"Default Title","offer_id":49006607466650,"sku":"R21-50","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0300\/2531\/8536\/files\/700c-rim-brake-road-bicycle-carbon-rim-21mm-inner-50mm-deep_20cd0592-e86e-4762-ae99-a8e14869f5ab.jpg?v=1786688684","url":"https:\/\/carbonal.net\/en-se\/products\/700c-rim-brake-road-bike-21mm-internal-width-50mm-deep-clincher-carbon-rim","provider":"Carbonal","version":"1.0","type":"link"}