{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"e9ed897451f8","name":"REAR SPROCKET STEEL HARD ZBK, C45 INDUCTIONJTR1340.44ZBK","sku":"SR1340-44.S.ZBK","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":28.62,"formatted":"£28.62"},"summary":"A unique self-cleaning profile keeps the contact patch clear while trimming weight. Heat-induction hardened C45 steel construction lasts up to six times longer than 7075 aluminium, protecting your chain and your lap times. This rear sprocket features a self-cleaning design that keeps the contact area clear, significantly reduced weight versus conventional steel rears, and optimized tooth geometry for smooth, efficient drive. Specifications include heat-induction hardened C45 steel material, 44 teeth, 530 drive chain pitch, and a black colour.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"277420"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1340-44_2ES_2EZBK/b78e5e28c539ad77.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1340-44_2ES_2EZBK/b78e5e28c539ad77.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1340-44_2ES_2EZBK/ebd0292c2c2d17fc.png"],"description":"A unique self-cleaning profile keeps the contact patch clear while trimming weight. Heat-induction hardened C45 steel construction lasts up to six times longer than 7075 aluminium, protecting your chain and your lap times. This rear sprocket features a self-cleaning design that keeps the contact area clear, significantly reduced weight versus conventional steel rears, and optimized tooth geometry for smooth, efficient drive. Specifications include heat-induction hardened C45 steel material, 44 teeth, 530 drive chain pitch, and a black colour.","descriptionMarkdown":"### JTR1340 REAR SPROCKET STEEL HARD ZBK C45 44T 530\n\n Experience the next standard in motorcycle durability and efficiency with this JTR1340 rear sprocket. Engineered for demanding use, its unique self-cleaning profile actively maintains a clear contact patch while reducing overall weight.\n\n Constructed from heat-induction hardened C45 steel, this sprocket offers exceptional longevity, potentially lasting up to six times longer than traditional 7075 aluminum sprockets. This extended lifespan not only protects your chain but also contributes to better performance and reduced maintenance. The optimized tooth geometry ensures a smooth and efficient power transfer, enhancing your riding experience.\n\n#### Key Features:\n\n \n- Unique self-cleaning design keeps the sprocket's contact area clear of debris.\n \n- Significantly reduced weight compared to conventional steel rear sprockets.\n \n- Constructed from durable heat-induction hardened C45 steel.\n \n- Offers up to 6 times longer service life than 7075 aluminum sprockets.\n \n- Helps extend chain life by minimizing abrasive buildup.\n \n- Features optimized tooth geometry for smooth and efficient drive.\n\n#### Specifications:\n\n \n- Material: Heat-induction hardened C45 steel\n \n- Tooth Count: 44\n \n- Drive Chain Pitch: 530\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-steel-hard-zbk-c45-inductionjtr134044zbk","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/e9ed897451f8:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/e9ed897451f8:1"}},"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."]}}