{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"cf31f675b773","name":"SPROCKET REAR 520 54T BLACK ALUMINIUM SUR-RON ULTRA BEE","sku":"UB-OEM-014-BLA","brand":"SUR-RON","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":4,"price":{"amount":47.23,"formatted":"£47.23"},"summary":"SUR-RON Rear Sprocket 54T 520 Black Aluminium This 54 tooth rear drive sprocket from SUR-RON mounts to the rear hub and engages with the chain to transfer drive to the rear wheel. It is suitable fo…","attributes":[{"label":"Date Created","value":"19/06/2026 10:13:48"},{"label":"Date Last Updated","value":"10/08/2026 11:44:08"},{"label":"Manufacturer","value":"SUR-RON"},{"label":"On Order","value":"0"},{"label":"Stock Id","value":"354413"},{"label":"Weight Grams","value":"670"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/UB-OEM-014-BLA/07dbac1f9d393efb.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/UB-OEM-014-BLA/07dbac1f9d393efb.png"],"description":"SUR-RON Rear Sprocket 54T 520 Black Aluminium This 54 tooth rear drive sprocket from SUR-RON mounts to the rear hub and engages with the chain to transfer drive to the rear wheel. It is suitable fo…","descriptionMarkdown":"### SUR-RON Rear Sprocket 54T 520 Black Aluminium\n\nThis 54 tooth rear drive sprocket from **SUR-RON** mounts to the rear hub and engages with the chain to transfer drive to the rear wheel. It is suitable for replacing a worn sprocket or fitting a different final drive ratio where a 54 tooth sprocket is required.\n\n### Key Features\n\n- Rear sprocket for chain-driven final drive systems\n\n- Suitable for rear hub installation\n\n- Transfers drive from the chain to the rear wheel\n\n- Solid body design\n\n### Specifications\n\n- Chain pitch: 520\n\n- Tooth count: 54T\n\n- Material: Aluminium\n\n- Mounting holes: 6\n\n- Finish: Black","weightGrams":670,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/sprocket-rear-520-54t-black-aluminium-sur-ron-ultra-bee","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/cf31f675b773:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/cf31f675b773:1"}},"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."]}}