{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"141e0586355e","name":"REAR SPROCKET STEEL HARD ZBK, C45 INDUCTIONJTR1489.43ZBK","sku":"SR1489-43.S.ZBK","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":22.08,"formatted":"£22.08"},"summary":"The JT JTR1489.43ZBK rear sprocket features a unique self-cleaning design that keeps the contact area clear and has a C45 steel construction. It is heat-induction hardened for increased durability. This sprocket lasts up to six times longer than a 7075-aluminium sprocket and greatly extends chain life by minimizing abrasive buildup. The tooth geometry is optimized for smooth, efficient drive. Specifications include a 43-tooth count, 525 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":"277481"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1489-43_2ES_2EZBK/1a9f0d33134bfe05.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1489-43_2ES_2EZBK/1a9f0d33134bfe05.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1489-43_2ES_2EZBK/15804dfcab1a4a4c.png"],"description":"The JT JTR1489.43ZBK rear sprocket features a unique self-cleaning design that keeps the contact area clear and has a C45 steel construction. It is heat-induction hardened for increased durability. This sprocket lasts up to six times longer than a 7075-aluminium sprocket and greatly extends chain life by minimizing abrasive buildup. The tooth geometry is optimized for smooth, efficient drive. Specifications include a 43-tooth count, 525 drive chain pitch, and a black colour.","descriptionMarkdown":"### REAR SPROCKET STEEL HARD ZBK\n\nExperience the next standard in durability and efficiency with this rear sprocket. Engineered for performance, its unique self-cleaning profile effectively clears the contact patch while reducing overall weight. Constructed from C45 steel with heat induction hardening, this sprocket is designed to last up to six times longer than traditional 7075 aluminum sprockets, helping to protect your chain and optimize your lap times.\n\n#### Key Features\n\n\t\n- Unique self-cleaning design maintains a clear contact area.\n\t\n- Significantly lighter weight compared to conventional steel rear sprockets.\n\t\n- Built with heat-induction hardened C45 steel for superior strength and longevity.\n\t\n- Offers up to 6 times greater lifespan than 7075 aluminum sprockets.\n\t\n- Enhances chain life by minimizing abrasive buildup.\n\t\n- Features optimized tooth geometry for smooth and efficient power transfer.\n\n#### Specifications\n\n\t\n- Material: Heat-induction hardened C45 steel\n\t\n- Tooth Count: 43\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-inductionjtr148943zbk","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/141e0586355e:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/141e0586355e: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."]}}