{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"fad5c50fe383","name":"REAR SPROCKET JTR802.39 JT 428","sku":"SR802-39S","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":9.23,"formatted":"£9.23"},"summary":"JT Steel Sprockets are built from premium C49 high-carbon steel for OEM-level precision and durability. This rear sprocket features 39 teeth and a 428 drive chain pitch. It is precision manufactured for an exact fit and engineered for durability in street, track, and off-road use, providing consistent power transfer. Material is C49 high-carbon steel and the color is black.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278813"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR802-39S/c7de36b632930e3c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR802-39S/c7de36b632930e3c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR802-39S/98cf84df9b132d0f.png"],"description":"JT Steel Sprockets are built from premium C49 high-carbon steel for OEM-level precision and durability. This rear sprocket features 39 teeth and a 428 drive chain pitch. It is precision manufactured for an exact fit and engineered for durability in street, track, and off-road use, providing consistent power transfer. Material is C49 high-carbon steel and the color is black.","descriptionMarkdown":"### JT JTR802.39 Rear Sprocket - 39 Tooth, 428 Pitch\n\nUpgrade your motorcycle or ATV's drivetrain with the JT JTR802.39 Rear Sprocket. Crafted from premium C49 high-carbon steel, this sprocket is engineered for exceptional durability and long-lasting performance. JT Steel Sprockets are known for their OEM-level precision, ensuring an exact fit and dependable power transfer for thousands of miles.\n\n#### Key Features:\n\n\t\n- Material: Constructed from C49 high-carbon steel for superior wear resistance and longevity.\n\t\n- Tooth Count: Features 39 teeth to optimize your gear ratio for specific riding needs.\n\t\n- Chain Pitch: Designed for a 428 pitch drive chain, ensuring compatibility with your existing setup.\n\t\n- Precision Manufacturing: Manufactured to exact specifications for a precise OEM fit, simplifying installation.\n\t\n- Broad Coverage: JT offers over 2,500 fitments, indicating a wide range of applications.\n\t\n- Performance: Delivers consistent power transfer and maintains sprocket tooth profile accuracy.\n\t\n- Durability: Engineered to withstand the demands of street, track, and off-road riding environments.\n\t\n- Color: Comes in a sleek black finish.","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KE 100","cc":null,"notes":null,"years":"1976–2001"},{"make":"SUZUKI","model":"RM 80","cc":null,"notes":null,"years":"1979–1988"}],"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-jtr80239-jt-428","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/fad5c50fe383:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/fad5c50fe383:1"}},"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."]}}