{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"cde0fdd44be1","name":"REAR SPROCKET STEEL 40 [JTR1857.40] 520","sku":"SR437-40.S.DR","brand":"Dirt Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":7,"price":{"amount":14.04,"formatted":"£14.04"},"summary":"REAR SPROCKET STEEL 40 Teeth [JTR1857.40] 520. Part No. SR437-40.S.DR. Made with C45 steel high carbon steel. Heat-treated and finished by hand. Sandblasted to reduce surface tension, satin-silk finish or Power coated Black. Meet or exceed the highest-quality compound mod. standards set by the motorcycle industry. Cross reference numbers ONLY. AT-26540.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278241"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR437-40_2ES_2EDR/6aafcf4879a1b399.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR437-40_2ES_2EDR/6aafcf4879a1b399.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR437-40_2ES_2EDR/cd23bb54a9643eca.jpg"],"description":"REAR SPROCKET STEEL 40 Teeth [JTR1857.40] 520. Part No. SR437-40.S.DR. Made with C45 steel high carbon steel. Heat-treated and finished by hand. Sandblasted to reduce surface tension, satin-silk finish or Power coated Black. Meet or exceed the highest-quality compound mod. standards set by the motorcycle industry. Cross reference numbers ONLY. AT-26540.","descriptionMarkdown":"### Dirt Racing Steel Rear Sprocket 40 Teeth 520 Pitch\n\nUpgrade your vehicle's performance with this high-quality steel rear sprocket from Dirt Racing. Engineered for maximum strength and minimal weight, this sprocket is a crucial component for any serious rider.\n\n**Key Features:**\n\n\t\n- Material: Constructed from C45 high carbon steel for exceptional durability.\n\t\n- Tooth Count: Features 40 teeth, providing a specific gear ratio for optimized performance.\n\t\n- Pitch: Designed with a 520 pitch chain compatibility.\n\t\n- Finish: Sandblasted for reduced surface tension, offering a satin-silk finish.\n\t\n- Craftsmanship: Each sprocket is meticulously heat-treated and hand-finished to ensure superior quality.\n\t\n- Industry Standards: Meets or exceeds the highest quality compound modification standards set by the motorcycle industry.","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-steel-40-jtr185740-520","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/cde0fdd44be1:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/cde0fdd44be1:1"}},"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."]}}