{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"f74df57bc722","name":"REAR SPROCKET ALLOY JTA1303.45 BLACK, HONDA ROAD CHAIN 520","sku":"SR1303-45.A.JT.BK","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":23.5,"formatted":"£23.50"},"summary":"45 TEETH REAR SPROCKET ALLOY JTA1303 CHAIN TYPE 520. Aluminium Racing Rear Sprockets made from advanced aviation-grade 7075-T6 aluminium alloy, optimal lightweight design and CNC machined for performance and lifespan. All aluminium MX rear racing sprockets are manufactured from the best materials with a special self-cleaning design, and hand-finished to perfection. Weight 372g.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"309572"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1303-45_2EA_2EJT_2EBK/a9772c0c7157f1e4.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1303-45_2EA_2EJT_2EBK/a9772c0c7157f1e4.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1303-45_2EA_2EJT_2EBK/2381b83810ad52a6.png"],"description":"45 TEETH REAR SPROCKET ALLOY JTA1303 CHAIN TYPE 520. Aluminium Racing Rear Sprockets made from advanced aviation-grade 7075-T6 aluminium alloy, optimal lightweight design and CNC machined for performance and lifespan. All aluminium MX rear racing sprockets are manufactured from the best materials with a special self-cleaning design, and hand-finished to perfection. Weight 372g.","descriptionMarkdown":"### JT Alloy Rear Racing Sprocket - 45 Tooth, 520 Chain\n\nUpgrade your motorcycle's performance and durability with this high-quality JT Alloy Rear Racing Sprocket. Designed for demanding use, this sprocket features 45 teeth and is compatible with 520 chain sizes.\n\n**Key Features:**\n\n- Advanced Material: Constructed from premium, aviation-grade 7075-T6 aluminum alloy for an optimal balance of lightweight design and exceptional strength.\n\n- CNC Machined: Precision CNC machining ensures superior performance, precise fitment, and extended lifespan.\n\n- Lightweight Design: Engineered for reduced rotational mass, contributing to improved acceleration and overall handling.\n\n- Self-Cleaning Design: Features a specialized self-cleaning profile to help maintain optimal chain and sprocket engagement.\n\n- Hand-Finished: Each sprocket is meticulously hand-finished to guarantee peak quality and performance.\n\n- Color: Black finish for a sleek, performance-oriented look.","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-alloy-jta130345-black-honda-road-chain-520","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/f74df57bc722:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/f74df57bc722:1"}},"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."]}}