{"product_id":"dt-swiss-rr-521-db-sbwt-presta-drilled-disc-brake-rim-black-32mm-semi-aero","title":"DT Swiss RR 521 DB SBWT Presta-Drilled Disc Brake Rim Black 32mm Semi-Aero","description":"\u003cp\u003eThe DT Swiss RR 521 DB SBWT Presta-Drilled Disc Brake Black rim is engineered to perfectly complement modern endurance road disc brake bikes. With an internal width of 20 mm, it is specifically designed to accommodate wider 28-35c road tyres, providing enhanced comfort and improved grip on various road surfaces. The 32 mm deep semi-aero profile combines stiffness and strength, making it especially suitable for heavier riders or those who prefer to carry extra gear on their rides.\u003c\/p\u003e\n\n\u003cp\u003eThanks to DT Swiss's Strength Boost Welding Technology, the rim features a flawlessly welded join that ensures long-lasting durability and reliability under demanding conditions. The inclusion of Squorx ProHead nipples and PHR washers not only simplifies the build process but also enhances spoke alignment and wheel stiffness without adding extra weight. This rim supports both standard clinchers and tubeless setups, offering versatility for different riding preferences.\u003c\/p\u003e\n\n\u003cp\u003eFinished with a unique black coating procedure, the RR 521 boasts a tough and resilient surface that resists wear and tear. Its outer width of 24 mm, combined with an ERD of 581 mm, maximizes tyre compatibility and wheel performance. With a recommended maximum system weight of 130 KG, this rim delivers a perfect balance between strength and endurance for serious riders.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOptimized for wider 28-35c road tyres to enhance ride comfort and control\u003c\/li\u003e\n  \u003cli\u003eExcellent stiffness and strength for heavier riders or loaded rides\u003c\/li\u003e\n  \u003cli\u003eCompatible with both clincher and tubeless tyre setups\u003c\/li\u003e\n  \u003cli\u003eDurable construction with Strength Boost Welding Technology for long-lasting performance\u003c\/li\u003e\n  \u003cli\u003eImproved spoke alignment thanks to Squorx ProHead nipples and PHR washers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNot ideal for riders seeking a lighter rim with a narrower 20 mm internal width\u003c\/li\u003e\n  \u003cli\u003eNot designed for rim brake use, only disc brake applications\u003c\/li\u003e\n  \u003cli\u003eMay be heavier than ultra-light racing rims for those prioritizing minimum weight\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use tubeless tyres with this rim?\u003c\/strong\u003e\u003cbr\u003eYes, the RR 521 rim supports tubeless tyre setups when paired with DT Swiss tubeless tape and valves.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this rim suitable for heavier riders?\u003c\/strong\u003e\u003cbr\u003eAbsolutely. Its 32 mm deep semi-aero design and reinforced construction make it ideal for riders who carry extra weight or gear.\u003c\/p\u003e","brand":"DT Swiss","offers":[{"title":"24h \/ Black","offer_id":45506753626287,"sku":"RRR521DBBK24","price":84.86,"currency_code":"GBP","in_stock":true},{"title":"28h \/ Black","offer_id":45506753659055,"sku":"RRR521DBBK28","price":84.86,"currency_code":"GBP","in_stock":true},{"title":"32h \/ Black","offer_id":45506753691823,"sku":"RRR521DBBK32","price":84.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1519836733-39998900.jpg?v=1768523829","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/dt-swiss-rr-521-db-sbwt-presta-drilled-disc-brake-rim-black-32mm-semi-aero","provider":"Swinnerton Cycles","version":"1.0","type":"link"}