{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"bd57f0a6f283","name":"REAR SPROCKET STEEL JTR245/251, DOUBLE DRILLED JTR245/2.42","sku":"SR245-42.S.JT-D","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":19.64,"formatted":"£19.64"},"summary":"JT Steel Sprockets are built from premium C49 high-carbon steel for OEM-level precision and durability. These rear sprockets offer long wear, exact fit, and dependable power transfer with over 2,500 fitments for motorcycles and ATVs. Features include C49 high-carbon steel construction for long wear, precision manufacturing for exact OEM fit, and consistent power transfer. Specifications include a material of C49 high-carbon steel, a tooth count of 42, a 520 drive chain pitch, and a silver color.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"277914"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-42_2ES_2EJT-D/0acd8f77078c8820.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-42_2ES_2EJT-D/0acd8f77078c8820.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-42_2ES_2EJT-D/8f818eda8c1804d9.jpg"],"description":"JT Steel Sprockets are built from premium C49 high-carbon steel for OEM-level precision and durability. These rear sprockets offer long wear, exact fit, and dependable power transfer with over 2,500 fitments for motorcycles and ATVs. Features include C49 high-carbon steel construction for long wear, precision manufacturing for exact OEM fit, and consistent power transfer. Specifications include a material of C49 high-carbon steel, a tooth count of 42, a 520 drive chain pitch, and a silver color.","descriptionMarkdown":"### JT Steel Rear Sprocket - 42 Tooth, 520 Pitch, Silver\n\nExperience exceptional durability and precision with this JT Steel Rear Sprocket. Engineered from premium C49 high-carbon steel, it offers superior wear resistance for extended longevity. The sprocket is manufactured to exact OEM specifications, ensuring a perfect fit and reliable power transfer for your motorcycle or ATV.\n\n#### Key Features:\n\n\t\n- Constructed from high-carbon C49 steel for maximum wear resistance.\n\t\n- Precision manufacturing guarantees an exact OEM fit.\n\t\n- Designed for consistent and dependable power transfer.\n\t\n- Sprocket tooth profile accuracy for optimal performance.\n\t\n- Built to withstand demanding street, track, and off-road conditions.\n\n#### Specifications:\n\n\t\n- Material: C49 high-carbon steel\n\t\n- Tooth Count: 42\n\t\n- Chain Pitch: 520\n\t\n- Color: Silver","weightGrams":null,"fitments":[{"make":"HONDA","model":"XL 250","cc":null,"notes":null,"years":"1982–1987"},{"make":"HONDA","model":"XL 500","cc":null,"notes":null,"years":"1979–1984"},{"make":"HONDA","model":"XL 600","cc":null,"notes":null,"years":"1984–1994"},{"make":"HONDA","model":"XR 250","cc":null,"notes":null,"years":"1979–1989"},{"make":"HONDA","model":"XR 350","cc":null,"notes":null,"years":"1983–1987"},{"make":"HONDA","model":"XR 500R","cc":null,"notes":null,"years":"1979–1985"},{"make":"HONDA","model":"XR 600R","cc":null,"notes":null,"years":"1983–1990"},{"make":"YAMAHA","model":"WR 250","cc":null,"notes":null,"years":"2000–2006"},{"make":"YAMAHA","model":"WR 250F","cc":null,"notes":null,"years":"2001–2019"},{"make":"YAMAHA","model":"WR 400F","cc":null,"notes":null,"years":"1999–2002"},{"make":"YAMAHA","model":"WR 426F","cc":null,"notes":null,"years":"1999–2002"},{"make":"YAMAHA","model":"WR 450F","cc":null,"notes":null,"years":"2003–2019"},{"make":"YAMAHA","model":"YZ 125","cc":null,"notes":null,"years":"1999–2020"},{"make":"YAMAHA","model":"YZ 250","cc":null,"notes":null,"years":"1977–2020"},{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"2001–2020"},{"make":"YAMAHA","model":"YZ 250FX","cc":null,"notes":null,"years":"2015–2019"},{"make":"YAMAHA","model":"YZ 250X","cc":null,"notes":null,"years":"2016–2019"},{"make":"YAMAHA","model":"YZ 400","cc":null,"notes":null,"years":"1977–2002"},{"make":"YAMAHA","model":"YZ 400F","cc":null,"notes":null,"years":"1999"},{"make":"YAMAHA","model":"YZ 426","cc":null,"notes":null,"years":"2000–2002"},{"make":"YAMAHA","model":"YZ 426F","cc":null,"notes":null,"years":"2000–2002"},{"make":"YAMAHA","model":"YZ 450F","cc":null,"notes":null,"years":"2003–2019"}],"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-jtr245251-double-drilled-jtr245242","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/bd57f0a6f283:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/bd57f0a6f283:1"}},"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."]}}