{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"047a46a955b2","name":"REAR SPROCKET RENTHAL YAM, ULTRALITE 437U-520-39GBSI SILVER","sku":"SR437-39.REN","brand":"Renthal","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":6,"price":{"amount":41.87,"formatted":"£41.87"},"summary":"REAR SPROCKET RENTHAL 437U-520-39GBSI SILVER. Renthal's hard anodised rear chainwheels are designed for road and road racing applications. They are CNC machined from 7075 T6 material and feature increased longevity from the hard anodizing process. Hard anodising is an integral surface coating which significantly increases the hardness and wear resistance of the chainwheel surface.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278238"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR437-39_2EREN/f60cba0c552b2cb5.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR437-39_2EREN/f60cba0c552b2cb5.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR437-39_2EREN/5ce2b90b22dd8799.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR437-39_2EREN/b05739021818d9bb.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR437-39_2EREN/21f7f17e5e9e164d.jpg"],"description":"REAR SPROCKET RENTHAL 437U-520-39GBSI SILVER. Renthal's hard anodised rear chainwheels are designed for road and road racing applications. They are CNC machined from 7075 T6 material and feature increased longevity from the hard anodizing process. Hard anodising is an integral surface coating which significantly increases the hardness and wear resistance of the chainwheel surface.","descriptionMarkdown":"### Renthal Ultralite Rear Sprocket\n\nThis Renthal Ultralite rear sprocket is engineered for high performance and longevity in road and road racing applications. It is crafted from high-grade 7075 T6 material, ensuring exceptional strength and durability.\n\n**Key Features:**\n\n \n- Manufactured from premium 7075 T6 aluminum alloy.\n \n- Features a hard anodised finish for significantly increased surface hardness and wear resistance.\n \n- CNC machined for precision and optimal performance.\n \n- Designed specifically for road and road racing use.\n \n- Silver finish for a sleek aesthetic.","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"YFM RAPTOR 250","cc":null,"notes":null,"years":"2008–2013"},{"make":"YAMAHA","model":"YFM RAPTOR 350","cc":null,"notes":null,"years":"2004–2013"},{"make":"YAMAHA","model":"YFM RAPTOR R 700","cc":null,"notes":null,"years":"2006–2020"},{"make":"YAMAHA","model":"YFM WARRIOR 350","cc":null,"notes":null,"years":"1987–1988"},{"make":"YAMAHA","model":"YFZ 450","cc":null,"notes":null,"years":"2004–2013"},{"make":"YAMAHA","model":"YFZ BANSHEE 350","cc":null,"notes":null,"years":"1987–1988"},{"make":"YAMAHA","model":"YFZ R 450","cc":null,"notes":null,"years":"2009–2020"}],"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-renthal-yam-ultralite-437u-520-39gbsi-silver","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/047a46a955b2:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/047a46a955b2:1"}},"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."]}}