{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"f84c69543123","name":"REAR SPROCKET STEEL ULTRALIGHT, PROX 07.RS61003R-50, SR441-50","sku":"SR441-50.S.PROX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":47.62,"formatted":"£47.62"},"summary":"ProX Steel Rear Sprocket. Ultralight steel rear sprocket manufactured from premium quality Qste 420 & 460 high strength steel. Offers superior durability and lasts 2-3 times longer than aluminum sprockets made from T7075-T6. Part number 07.RS61003R-50, SR441-50. Weight 800 grams.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278286"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR441-50_2ES_2EPROX/977a0a052b7281b5.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR441-50_2ES_2EPROX/977a0a052b7281b5.jpg"],"description":"ProX Steel Rear Sprocket. Ultralight steel rear sprocket manufactured from premium quality Qste 420 & 460 high strength steel. Offers superior durability and lasts 2-3 times longer than aluminum sprockets made from T7075-T6. Part number 07.RS61003R-50, SR441-50. Weight 800 grams.","descriptionMarkdown":"### ProX Ultralight Steel Rear Sprocket\n\n Experience superior durability and longevity with the ProX Ultralight Steel Rear Sprocket.\n Manufactured from premium quality \"Qste 420 & 460\" high-strength steel, this sprocket\n is engineered to withstand the most extreme riding conditions. It offers 2-3 times\n the lifespan of sprockets made from T7075-T6 aluminum, ensuring you get more miles\n for your money.\n\n**Key Features:**\n\n \n- Constructed from high-strength Qste 420 & 460 steel.\n \n- Ultralight design for reduced unsprung weight.\n \n- Exceptional durability for extended lifespan.\n \n- Outlasts aluminum sprockets significantly.\n \n- Engineered for extreme riding circumstances.","weightGrams":null,"fitments":[{"make":"GASGAS","model":"MC 85","cc":null,"notes":null,"years":"2021–2025"},{"make":"HUSQVARNA","model":"TC 85","cc":null,"notes":null,"years":"2014–2025"},{"make":"KTM","model":"105 SX","cc":null,"notes":null,"years":"2004–2011"},{"make":"KTM","model":"85 SX 17/14","cc":null,"notes":null,"years":"2003–2025"},{"make":"KTM","model":"85 SX 19/16","cc":null,"notes":null,"years":"2003–2025"}],"collections":[{"name":"Chain & Sprockets","url":"https://www.2brosparts.com/api/agent/collection/GB/chain-sprockets"},{"name":"Sprockets & Components (Rear)","url":"https://www.2brosparts.com/api/agent/collection/GB/sprockets-components-rear"}],"links":{"page":"https://www.2brosparts.com/products/rear-sprocket-steel-ultralight-prox-07rs61003r-50-sr441-50","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/f84c69543123:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/f84c69543123:1"}},"market":{"country":"GB","countryName":"United Kingdom","locale":"en-gb","currency":"GBP","exchangeRateFromGbp":1,"pricesIncludeUkVat":true,"checkoutTax":null,"delivery":[{"name":"Standard","description":"Orders £15.00–£59.99 · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":4.99,"formatted":"£4.99"},"free":false,"minimumOrder":{"amount":0,"formatted":"£0.00","gbp":0},"weightGrams":null},{"name":"Standard","description":"Orders £60.00 and up · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":0,"formatted":"£0.00"},"free":true,"minimumOrder":{"amount":60,"formatted":"£60.00","gbp":60},"weightGrams":null}],"storeUrl":"https://www.2brosparts.com"},"navigate":{"start":"https://www.2brosparts.com/api/agent","search":"https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus}"},"howToBuy":{"summary":"Build a basket for the shopper and give them one checkout link. Every URL is a plain path (no query string) and a GET. Nothing is stored between calls.","checkoutLinkFormat":"https://www.2brosparts.com/api/agent/checkout/GB/{basketKey}:{quantity},{basketKey}:{quantity}","steps":["1. Find products: follow links in these responses, or fetch https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus} (e.g. https://www.2brosparts.com/api/agent/search/GB/brake+pads). Every product has a basketKey.","2. Optional check: https://www.2brosparts.com/api/agent/basket/GB/{basketKey}:{quantity},{basketKey}:{quantity} returns stock, totals per delivery option and the checkout link.","3. Give the shopper the checkout link. Opening it fills their basket with exactly these items (replacing what was there) and opens checkout for United Kingdom. They pay on 2brosparts.com through Stripe."],"noFetchNeeded":"You can write the checkout link yourself from basketKeys and quantities; nothing has to be fetched first. Each product also has links.buyOneNow, a ready link for one unit.","stateless":"Nothing is saved on our side. The items part of the URL is the whole basket: to change it, write the link again with the new list.","itemsFormat":"basketKey:quantity pairs joined by commas, e.g. 04f24aad4d68:2,7c1e9a0b3f2d:1. Quantity defaults to 1. Up to 50 products, 100 each.","country":"GB is the shopper's delivery country. Swap it for theirs (US, DE, FR…) in any URL; currency, tax and delivery follow it.","tips":["Put everything the shopper wants in one link.","Optionally add your name as a last path segment on checkout links (…/checkout/GB/<items>/claude) so the sale is credited to you.","The checkout link is for the shopper's browser. Do not open it yourself.","Signed-in trade account holders see their trade prices at checkout."]}}