{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"e8d62849849e","name":"REAR SPROCKET JTR5.39 JT 520 OLD No. SR005-39.S.JT","sku":"SR5-39.S.JT","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":17.12,"formatted":"£17.12"},"summary":"REAR SPROCKET JTR5.39 JT 520. Built from premium C49 high-carbon steel, JT Steel Sprockets deliver OEM-level precision and durability. With 2,500+ fitments for motorcycles and ATVs, they offer long life, exact fit, and dependable power transfer mile after mile. Features C49 high-carbon steel rears for long wear, precision manufacturing for exact OEM fit, broad coverage with 2,500+ motorcycle & ATV applications, consistent power transfer and sprocket tooth profile accuracy, and engineered for durability in street, track, and off-road use. Specifications include C49 high-carbon steel material, 39 tooth count, 520 drive chain pitch, and black colour.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278600"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR5-39_2ES_2EJT/6b2b550ad9abfbf5.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR5-39_2ES_2EJT/6b2b550ad9abfbf5.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR5-39_2ES_2EJT/40d2cffd4142a844.png"],"description":"REAR SPROCKET JTR5.39 JT 520. Built from premium C49 high-carbon steel, JT Steel Sprockets deliver OEM-level precision and durability. With 2,500+ fitments for motorcycles and ATVs, they offer long life, exact fit, and dependable power transfer mile after mile. Features C49 high-carbon steel rears for long wear, precision manufacturing for exact OEM fit, broad coverage with 2,500+ motorcycle & ATV applications, consistent power transfer and sprocket tooth profile accuracy, and engineered for durability in street, track, and off-road use. Specifications include C49 high-carbon steel material, 39 tooth count, 520 drive chain pitch, and black colour.","descriptionMarkdown":"### JT Rear Sprocket for Motorcycle and ATV\n\nExperience superior performance and longevity with the JT Rear Sprocket. Crafted from premium C49 high-carbon steel, this sprocket is engineered to meet OEM-level precision and durability standards, ensuring reliable power transfer for your motorcycle or ATV. Its robust construction is designed for extended wear, making it an ideal choice for various riding conditions, including street, track, and off-road adventures.\n\n#### Key Features:\n\n \n- Premium Material: Constructed with C49 high-carbon steel for exceptional durability and long wear life.\n \n- Precision Manufacturing: Engineered for an exact OEM fit, ensuring seamless integration with your existing drivetrain.\n \n- Consistent Power Transfer: Delivers dependable power delivery with accurate sprocket tooth profiling.\n \n- Versatile Application: Designed for durability across street, track, and off-road riding environments.\n \n- Broad Coverage: Available for over 2,500 motorcycle and ATV applications.\n\n#### Specifications:\n\n \n- Material: C49 high-carbon steel\n \n- Tooth Count: 39\n \n- Drive Chain Pitch: 520\n \n- Color: Black","weightGrams":null,"fitments":[],"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-jtr539-jt-520-old-no-sr005-39sjt","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/e8d62849849e:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/e8d62849849e: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."]}}