{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"a41913106101","name":"REAR SPROCKET ALLOY JTA1303.51, HONDA ROAD CHAIN 520","sku":"SR1303-51.A.JT","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":23.54,"formatted":"£23.54"},"summary":"51 TEETH REAR SPROCKET ALLOY JTA1303.51 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 460g.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"277347"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1303-51_2EA_2EJT/2381b83810ad52a6.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1303-51_2EA_2EJT/2381b83810ad52a6.png"],"description":"51 TEETH REAR SPROCKET ALLOY JTA1303.51 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 460g.","descriptionMarkdown":"### JT Alloy Rear Sprocket 51 Tooth for 520 Chain\n\nUpgrade your motorcycle's performance with this high-quality JT alloy rear sprocket. Designed for durability and optimal performance, this sprocket features 51 teeth and is compatible with 520 pitch chains.\n\nCrafted from advanced aviation-grade 7075-T6 aluminium alloy, this sprocket offers a lightweight design without compromising on strength. It is CNC machined to precise specifications, ensuring a perfect fit and extended lifespan for your drivetrain. The sprocket also incorporates a special self-cleaning design and is hand-finished for superior quality.\n\n#### Key Features:\n\n \n- Material: Aviation-grade 7075-T6 aluminium alloy\n \n- Number of Teeth: 51\n \n- Chain Compatibility: 520 pitch\n \n- Manufacturing: CNC machined for precision and performance\n \n- Design: Lightweight with a self-cleaning feature\n \n- Finish: Hand-finished for exceptional quality","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-jta130351-honda-road-chain-520","buyOneNow":null,"basketWithThis":null}},"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."]}}