{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2d8c71abde38","name":"REAR SPROCKET JTR255.37 JT 420","sku":"SR255-37.S.JT","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":10.2,"formatted":"£10.20"},"summary":"JT Steel Rear Sprockets are built from premium C49 high-carbon steel for OEM-level precision and durability. These sprockets offer long wear, exact fit, and dependable power transfer. Features include C49 high-carbon steel construction for long wear, precision manufacturing for exact fit, and consistent power transfer. Specifications include a material of C49 high-carbon steel, a tooth count of 37, a drive chain pitch of 420, and a black colour.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278061"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR255-37_2ES_2EJT/4daba78c14811e69.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR255-37_2ES_2EJT/4daba78c14811e69.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR255-37_2ES_2EJT/9d69b10c28d3a403.png"],"description":"JT Steel Rear Sprockets are built from premium C49 high-carbon steel for OEM-level precision and durability. These sprockets offer long wear, exact fit, and dependable power transfer. Features include C49 high-carbon steel construction for long wear, precision manufacturing for exact fit, and consistent power transfer. Specifications include a material of C49 high-carbon steel, a tooth count of 37, a drive chain pitch of 420, and a black colour.","descriptionMarkdown":"### JT Steel Rear Sprocket for Motorcycles and ATVs\n\nUpgrade your drivetrain with this premium JT Steel Rear Sprocket. Engineered for exceptional durability and performance, this sprocket is crafted from high-carbon C49 steel, renowned for its wear resistance and longevity.\n\nExperience OEM-level precision with manufacturing that ensures an exact fit and consistent power transfer. Whether you're riding on the street, the track, or off-road, this sprocket is built to withstand demanding conditions and provide reliable performance mile after mile.\n\n**Key Features:**\n\n\t\n- Durable Construction: Made from C49 high-carbon steel for extended wear life.\n\t\n- Precise Fitment: Precision manufacturing ensures an exact fit, matching OEM specifications.\n\t\n- Reliable Power Transfer: Delivers consistent power delivery with an accurate sprocket tooth profile.\n\t\n- Engineered for Performance: Designed for durability across street, track, and off-road applications.\n\n**Specifications:**\n\n\t\n- Material: C49 high-carbon steel\n\t\n- Tooth Count: 37\n\t\n- Chain Pitch Compatibility: 420\n\t\n- Colour: 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-jtr25537-jt-420","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2d8c71abde38:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2d8c71abde38:1"}},"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."]}}