{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ca40c0e0a997","name":"REAR SPROCKET JTR257.38 JT 420","sku":"SR257-38.S.JT","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":7.04,"formatted":"£7.04"},"summary":"JT Steel Rear Sprocket JTR257.38. Crafted from premium C49 high-carbon steel for long wear and durability. Features precision manufacturing for an exact fit, consistent power transfer, and accurate sprocket tooth profile. Engineered for durability in street, track, and off-road use. Specifications include C49 high-carbon steel material, 38 tooth count, and 420 drive chain pitch. Color is black.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278070"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR257-38_2ES_2EJT/176ed31b5ba96971.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR257-38_2ES_2EJT/176ed31b5ba96971.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR257-38_2ES_2EJT/4615c2b77f292fc5.png"],"description":"JT Steel Rear Sprocket JTR257.38. Crafted from premium C49 high-carbon steel for long wear and durability. Features precision manufacturing for an exact fit, consistent power transfer, and accurate sprocket tooth profile. Engineered for durability in street, track, and off-road use. Specifications include C49 high-carbon steel material, 38 tooth count, and 420 drive chain pitch. Color is black.","descriptionMarkdown":"### JT Rear Sprocket JTR257.38\n\nExperience OEM-level precision and exceptional durability with the JT Rear Sprocket JTR257.38. Crafted from premium C49 high-carbon steel, this sprocket is engineered for longevity and reliable performance across a vast range of motorcycle and ATV applications. Enjoy consistent power transfer and a precise fit, mile after mile.\n\n**Key Features:**\n\n\t\n- Constructed with C49 high-carbon steel for superior wear resistance.\n\t\n- Precision manufacturing ensures an exact fit, matching OEM specifications.\n\t\n- Designed for durable performance on the street, track, and off-road.\n\t\n- Offers consistent power delivery and accurate sprocket tooth profile.\n\t\n- Backed by over 2,500 fitments for motorcycles and ATVs.\n\n**Specifications:**\n\n\t\n- Material: C49 high-carbon steel\n\t\n- Tooth Count: 38\n\t\n- Chain Pitch: 420\n\t\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-jtr25738-jt-420","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ca40c0e0a997:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ca40c0e0a997:1"}},"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."]}}