{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"777146baafd5","name":"REAR SPROCKET STEEL HARD ZBK, C45 INDUCTIONJTR1489.40ZBK","sku":"SR1489-40.S.ZBK","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":24.2,"formatted":"£24.20"},"summary":"The JT JTR1489.40ZBK is a rear steel sprocket with 40 teeth and a 525 drive chain pitch, finished in black. It features a unique self-cleaning design that keeps the contact area clear, significantly reduced weight compared to conventional steel rears, and heat-induction hardened C45 steel construction. This sprocket lasts up to six times longer than a 7075 aluminium sprocket and greatly extends chain life by minimizing abrasive buildup. Its optimized tooth geometry ensures smooth, efficient drive.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"277474"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1489-40_2ES_2EZBK/063d88b7974d0cfb.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1489-40_2ES_2EZBK/063d88b7974d0cfb.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1489-40_2ES_2EZBK/15804dfcab1a4a4c.png"],"description":"The JT JTR1489.40ZBK is a rear steel sprocket with 40 teeth and a 525 drive chain pitch, finished in black. It features a unique self-cleaning design that keeps the contact area clear, significantly reduced weight compared to conventional steel rears, and heat-induction hardened C45 steel construction. This sprocket lasts up to six times longer than a 7075 aluminium sprocket and greatly extends chain life by minimizing abrasive buildup. Its optimized tooth geometry ensures smooth, efficient drive.","descriptionMarkdown":"### REAR SPROCKET STEEL HARD ZBK\n\n\tExperience the next standard in motorcycle durability and efficiency with this rear steel sprocket. It features a unique self-cleaning profile designed to keep the contact patch clear while significantly reducing weight compared to conventional steel sprockets.\n\n\tConstructed from heat-induction hardened C45 steel, this sprocket offers exceptional longevity, lasting up to six times longer than a 7075 aluminum sprocket. This extended lifespan not only protects your chain but also contributes to improved lap times and greatly extends chain life by minimizing abrasive buildup. The optimized tooth geometry ensures a smooth and efficient drive.\n\n### Key Features:\n\n\t\n- Unique self-cleaning design keeps the contact area clear.\n\t\n- Significantly reduced weight compared to conventional steel rears.\n\t\n- Constructed from heat-induction hardened C45 steel.\n\t\n- Lasts up to 6 times longer than a 7075-aluminum sprocket.\n\t\n- Greatly extends chain life by minimizing abrasive buildup.\n\t\n- Optimized tooth geometry for smooth, efficient drive.\n\n### Specifications:\n\n\t\n- Material: Heat-induction hardened C45 steel\n\t\n- Tooth Count: 40\n\t\n- Drive Chain Pitch: 525\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-steel-hard-zbk-c45-inductionjtr148940zbk","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/777146baafd5:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/777146baafd5:1"}},"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."]}}