{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"da93095b686f","name":"REAR SPROCKET ALLOY RENTHAL, ULTRALITE 189U-420-50GRSI","sku":"SR209-50.REN","brand":"Renthal","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":41.87,"formatted":"£41.87"},"summary":"RENTHAL REAR SPROCKET ALLOY ULTRALITE 189U-420-50GRSI. This rear chainwheel is designed for road and road racing applications. It is CNC machined from 7075 T6 material and features a hard anodizing process for increased longevity. Hard anodising is an integral surface coating that significantly increases the hardness and wear resistance of the chainwheel surface. Weight: 340g.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"277675"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR209-50_2EREN/532b73e4e0e9922e.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR209-50_2EREN/532b73e4e0e9922e.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR209-50_2EREN/1c1b334dbb85444c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR209-50_2EREN/1dc05bacb117eb49.jpg"],"description":"RENTHAL REAR SPROCKET ALLOY ULTRALITE 189U-420-50GRSI. This rear chainwheel is designed for road and road racing applications. It is CNC machined from 7075 T6 material and features a hard anodizing process for increased longevity. Hard anodising is an integral surface coating that significantly increases the hardness and wear resistance of the chainwheel surface. Weight: 340g.","descriptionMarkdown":"### Renthal Ultralite Alloy Rear Sprocket\n\nEnhance your motorcycle's performance and longevity with the Renthal Ultralite Alloy Rear Sprocket. This premium rear chainwheel is specifically engineered for road and road racing applications, delivering exceptional durability and efficiency.\n\n**Key Features:**\n\n \n- Premium Material: Crafted from high-strength 7075 T6 aluminum, the same robust material used in Renthal's offroad chainwheels, ensuring superior strength and reliability.\n \n- Hard Anodised Finish: Features a hard anodised surface coating. This integral treatment significantly increases the hardness and wear resistance of the sprocket's surface, leading to extended lifespan.\n \n- Precision Machining: CNC machined for exact specifications, guaranteeing a perfect fit and smooth operation with your motorcycle's chain.\n \n- Optimised for Performance: Designed to meet the demands of both everyday riding and competitive racing, providing a noticeable improvement in your drivetrain's performance.","weightGrams":null,"fitments":[{"make":"HONDA","model":"CR 80","cc":null,"notes":null,"years":"1985–2004"},{"make":"HONDA","model":"CR 85","cc":null,"notes":null,"years":"2003–2007"},{"make":"HONDA","model":"CR BW 80","cc":null,"notes":null,"years":"1986–2004"},{"make":"HONDA","model":"CR BW 85","cc":null,"notes":null,"years":"2006–2007"},{"make":"HONDA","model":"CRF 150R","cc":null,"notes":null,"years":"2007–2019"},{"make":"HONDA","model":"CRM 50","cc":null,"notes":null,"years":"1988–1992"},{"make":"HONDA","model":"CRM 80","cc":null,"notes":null,"years":"1988–1992"}],"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-alloy-renthal-ultralite-189u-420-50grsi","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/da93095b686f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/da93095b686f: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."]}}