{"product_id":"freewheel-rrr521dbbk24","title":"DT Swiss RR 521 DB SBWT Presta-drilled Disc Brake, Black","description":"\u003cp\u003eDT Swiss RR 521 DB SBWT Presta-drilled Disc Brake, Black.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned from the ground up for wider 28-35c road rubber, the RR 521 offers a full 20 mm of internal width making it the perfect match for the latest endurance road disc brake bikes\u003c\/li\u003e\n\u003cli\u003eThe RR 521 is the bruiser of the Endurance Road range, the 32 mm deep semi-aero section is hugely stiff and strong, making it ideal for heavier riders or those looking to load up before heading out\u003c\/li\u003e\n\u003cli\u003eCan be run either with standard clinchers or road tubeless tyres using DT Swiss tubeless tape and valves\u003c\/li\u003e\n\u003cli\u003eComes packaged with DT Swiss Squorx ProHead nipples and PHR washers to complete your build\u003c\/li\u003e\n\u003cli\u003eStrength Boost Welding Technology creates a perfectly welded join for a durable, reliable rim\u003c\/li\u003e\n\u003cli\u003ePHR washers and convex Squorx nipples naturally align perfectly with your chosen spokes, increasing stiffness and durability with no weight penalty over traditional eyeleted rims\u003c\/li\u003e\n\u003cli\u003eUnique process for the black coating produces a tough and durable finish\u003c\/li\u003e\n\u003cli\u003eSuggested maximum system weight of 130 KG, those looking for a lighter 20 mm wide rim with are advised to consider the RR 421 DB's\u003c\/li\u003e\n\u003cli\u003ePresta drilling\u003c\/li\u003e\n\u003cli\u003eOuter width: 24 mm, Inner Width: 20 mm, Height: 32 mm\u003c\/li\u003e\n\u003cli\u003eERD 581 mm with PHR Washers installed\u003c\/li\u003e\n\u003cli\u003eMax spoke tension: 1200 N\u003c\/li\u003e\n\u003cli\u003eWeight: 520 grams\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Freewheel \/ Madison","offers":[{"title":"Black \/ 24 hole \/ 700c","offer_id":55543629873494,"sku":"RRR521DBBK24","price":89.99,"currency_code":"GBP","in_stock":true},{"title":"Black \/ 28 hole \/ 700c","offer_id":55543629906262,"sku":"RRR521DBBK28","price":89.99,"currency_code":"GBP","in_stock":true},{"title":"Black \/ 32 hole \/ 700c","offer_id":55543629939030,"sku":"RRR521DBBK32","price":89.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/1425\/4166\/files\/ftp_f_freewheel_imagesmadisonfwaccessorieser16rim.jpg?v=1790786921","url":"https:\/\/substancecycles.co.uk\/products\/freewheel-rrr521dbbk24","provider":"Substance Cycles","version":"1.0","type":"link"}