{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"c550b71af00b","name":"REAR SPROCKET ALLOY RENTHAL, ULTRALITE 154U-520-51GRBK","sku":"SR210-51.REN.BK","brand":"Renthal","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":13,"price":{"amount":48.37,"formatted":"£48.37"},"summary":"Renthal Ultralite 154U-520-51GRBK rear sprocket in black. This rear chainwheel is hard anodised and CNC machined from 7075 T6 alloy for increased longevity and wear resistance. Suitable for road and road racing applications.","attributes":[{"label":"General Colour C","value":"Black"},{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"277821"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR210-51_2EREN_2EBK/44e4db61caee9d78.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR210-51_2EREN_2EBK/44e4db61caee9d78.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR210-51_2EREN_2EBK/4115e5e337dbbf7b.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR210-51_2EREN_2EBK/202d01bd2fea8b65.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR210-51_2EREN_2EBK/31bec16599e3cd1e.jpg"],"description":"Renthal Ultralite 154U-520-51GRBK rear sprocket in black. This rear chainwheel is hard anodised and CNC machined from 7075 T6 alloy for increased longevity and wear resistance. Suitable for road and road racing applications.","descriptionMarkdown":"### Renthal Ultralite Rear Sprocket - 51 Tooth - Black\n\nUpgrade your motorcycle's performance and durability with the Renthal Ultralite Rear Sprocket. This rear chainwheel is engineered for exceptional longevity and performance, making it ideal for both road and track use.\n\n**Key Features:**\n\n \n- Material: Precision CNC machined from high-strength 7075 T6 aluminum alloy, the same material used in Renthal's offroad chainwheels, ensuring superior strength and light weight.\n \n- Hard Anodised Finish: Features a hard anodised surface coating. This integral finish significantly increases the hardness and wear resistance of the sprocket's surface, providing extended lifespan.\n \n- Designed for Longevity: Specifically developed to offer increased durability, particularly for demanding road and road racing applications.\n \n- Color: Available in a sleek black finish.\n \n- Tooth Count: 51 teeth.\n \n- Chain Pitch: Compatible with 520 pitch chains.","weightGrams":null,"fitments":[{"make":"BETA","model":"RR 2T 250","cc":null,"notes":null,"years":"2013–2017"},{"make":"BETA","model":"RR 2T 300","cc":null,"notes":null,"years":"2013–2017"},{"make":"BETA","model":"RR ENDURO 2T 125","cc":null,"notes":null,"years":"2018–2025"},{"make":"BETA","model":"RR ENDURO 2T 200","cc":null,"notes":null,"years":"2019–2025"},{"make":"BETA","model":"RR ENDURO 2T 250","cc":null,"notes":null,"years":"2013–2025"},{"make":"BETA","model":"RR ENDURO 2T 300","cc":null,"notes":null,"years":"2013–2025"},{"make":"BETA","model":"RR ENDURO 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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."]}}