{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"f4ceb22e1bcc","name":"REAR SPROCKET STEEL HARD ZBK, C45 INDUCTIONJTR1493.42ZBK","sku":"SR1493-42.S.ZBK","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":27.1,"formatted":"£27.10"},"summary":"This rear sprocket is constructed from heat-induction hardened C45 steel and features a unique self-cleaning design to keep the contact area clear. It offers significantly reduced weight compared to conventional steel rears and lasts up to six times longer than 7075 aluminum sprockets, greatly extending chain life by minimizing abrasive buildup. The tooth count is 42, and it is designed for a 530 drive chain pitch. The color is black.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"277489"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1493-42_2ES_2EZBK/64b5c3946d8c73f4.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1493-42_2ES_2EZBK/64b5c3946d8c73f4.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1493-42_2ES_2EZBK/fd21d526990832c2.png"],"description":"This rear sprocket is constructed from heat-induction hardened C45 steel and features a unique self-cleaning design to keep the contact area clear. It offers significantly reduced weight compared to conventional steel rears and lasts up to six times longer than 7075 aluminum sprockets, greatly extending chain life by minimizing abrasive buildup. The tooth count is 42, and it is designed for a 530 drive chain pitch. The color is black.","descriptionMarkdown":"### JT Hardened Steel Rear Sprocket - 42 Tooth, 530 Pitch, Black\n\nExperience the next standard in off-road durability and efficiency with this JT hardened steel rear sprocket. Its unique self-cleaning profile is engineered to keep the contact patch clear, while also significantly trimming weight compared to conventional steel sprockets. Constructed from C45 steel that is heat-induction hardened, this sprocket is built to last, offering up to six times the lifespan of a typical 7075 aluminum sprocket. This extended durability not only protects your chain but also contributes to improved lap times by minimizing abrasive buildup.\n\n**Key Features:**\n\n \n- Unique self-cleaning design maintains a clear contact area.\n \n- Significantly reduced weight compared to traditional steel rear sprockets.\n \n- Built with durable heat-induction hardened C45 steel.\n \n- Offers up to 6 times longer wear life than 7075 aluminum sprockets.\n \n- Extends chain life by minimizing abrasive buildup.\n \n- Optimized tooth geometry ensures smooth and efficient power transfer.\n\n**Specifications:**\n\n \n- Material: Heat-induction hardened C45 steel\n \n- Tooth Count: 42\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-inductionjtr149342zbk","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/f4ceb22e1bcc:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/f4ceb22e1bcc: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."]}}