{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"1d914be2c286","name":"REAR SPROCKET STEEL HARD ZBK, C45 INDUCTIONJTR1307.42ZBK","sku":"SR1307-42.S.ZBK","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":22.73,"formatted":"£22.73"},"summary":"REAR SPROCKET STEEL HARD ZBK, C45 INDUCTION JTR1307.42ZBK. This rear sprocket features a unique self-cleaning design to keep the contact area clear and reduce weight. Constructed from heat-induction hardened C45 steel, it offers durability and lasts up to six times longer than 7075 aluminum sprockets, while also extending chain life. The sprocket has optimized tooth geometry for smooth, efficient drive. Specifications: Material: Heat-induction hardened C45 steel, Tooth count: 42, Drive chain pitch: 525, Colour: Black.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"277374"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1307-42_2ES_2EZBK/00663a70723918a9.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1307-42_2ES_2EZBK/00663a70723918a9.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1307-42_2ES_2EZBK/2d932b8956aebc05.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1307-42_2ES_2EZBK/4f2b5e6fa9e85819.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1307-42_2ES_2EZBK/0e96106672985090.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1307-42_2ES_2EZBK/1288bea2be3e76ff.png"],"description":"REAR SPROCKET STEEL HARD ZBK, C45 INDUCTION JTR1307.42ZBK. This rear sprocket features a unique self-cleaning design to keep the contact area clear and reduce weight. Constructed from heat-induction hardened C45 steel, it offers durability and lasts up to six times longer than 7075 aluminum sprockets, while also extending chain life. The sprocket has optimized tooth geometry for smooth, efficient drive. Specifications: Material: Heat-induction hardened C45 steel, Tooth count: 42, Drive chain pitch: 525, Colour: Black.","descriptionMarkdown":"### JTR1307 Steel Rear Sprocket - 42 Tooth, Black\n\n\tExperience the next standard in off-road durability and efficiency with this JTR1307 Steel Rear Sprocket.\n\tEngineered with a unique self-cleaning profile, this sprocket ensures the contact patch remains clear,\n\twhile also trimming unnecessary weight.\n\n**Key Features:**\n\n\t\n- Unique self-cleaning design actively clears debris from the contact area.\n\t\n- Achieves significantly reduced weight compared to conventional steel rear sprockets.\n\t\n- Constructed from heat-induction hardened C45 steel for exceptional durability.\n\t\n- Offers up to six times longer lifespan than a standard 7075 aluminum sprocket.\n\t\n- Promotes greatly extended 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: 42\n\t\n- Drive Chain Pitch: 525\n\t\n- Color: Black","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"IT 465","cc":null,"notes":null,"years":"1980"},{"make":"YAMAHA","model":"IT G 250","cc":null,"notes":null,"years":"1980"},{"make":"YAMAHA","model":"YZ 250","cc":null,"notes":null,"years":"1977–2019"},{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"1979"},{"make":"YAMAHA","model":"YZ 400","cc":null,"notes":null,"years":"1977–2002"},{"make":"YAMAHA","model":"YZ 465","cc":null,"notes":null,"years":"1980–1982"}],"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-inductionjtr130742zbk","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/1d914be2c286:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/1d914be2c286:1"}},"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."]}}