{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"018eb62e46b2","name":"REAR SPROCKET STEEL SILVER, JTR1306.43","sku":"SR1306-43.S.SI","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":27.14,"formatted":"£27.14"},"summary":"The JTR1306.43 rear sprocket is made from heat-induction hardened C45 steel and features a unique self-cleaning profile that keeps the contact patch clear while reducing weight. This construction lasts up to six times longer than 7075 aluminum, extending chain life by minimizing abrasive buildup. It has 43 teeth and a 530 drive chain pitch. The sprocket is silver.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"301205"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1306-43_2ES_2ESI/fb27d4587edadd78.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1306-43_2ES_2ESI/fb27d4587edadd78.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1306-43_2ES_2ESI/b6c2fff6b0786e0d.png"],"description":"The JTR1306.43 rear sprocket is made from heat-induction hardened C45 steel and features a unique self-cleaning profile that keeps the contact patch clear while reducing weight. This construction lasts up to six times longer than 7075 aluminum, extending chain life by minimizing abrasive buildup. It has 43 teeth and a 530 drive chain pitch. The sprocket is silver.","descriptionMarkdown":"### JT Rear Sprocket Steel Silver 43T 530 Pitch\n\nExperience the next standard in motorcycle drivetrain durability and efficiency with this JT Rear Sprocket. Engineered with a unique self-cleaning profile, it actively maintains a clear contact patch while significantly reducing overall weight compared to conventional steel sprockets. The advanced heat-induction hardened C45 steel construction ensures exceptional longevity, lasting up to six times longer than typical 7075 aluminum sprockets. This extended lifespan not only protects your chain but also contributes to improved lap times by minimizing abrasive buildup and extending chain life.\n\nThe optimized tooth geometry is designed for smooth, efficient power delivery, enhancing the performance of your motorcycle's drivetrain.\n\n**Key Features:**\n\n\t\n- Unique self-cleaning design maintains a clear contact area.\n\t\n- Significantly reduced weight compared to conventional steel rear sprockets.\n\t\n- Constructed from durable, heat-induction hardened C45 steel.\n\t\n- Offers up to 6 times longer service life than 7075 aluminum sprockets.\n\t\n- Greatly extends chain life by minimizing abrasive buildup.\n\t\n- Optimized tooth geometry for smooth and efficient drive.\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: 530\n\t\n- Colour: Silver","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-silver-jtr130643","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/018eb62e46b2:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/018eb62e46b2:1"}},"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."]}}