{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"f061ebfc95ee","name":"REAR SPROCKET ALLOY JTA1303.52 BLACK, HONDA ROAD CHAIN 520","sku":"SR1303-52.A.JT.BK","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":28.1,"formatted":"£28.10"},"summary":"JT RaceLite Alloy Rear Sprocket 52 Tooth Black for 520 Chain CNC-machined from certified 7075-T6 Ergal, JT RaceLite rear sprockets pair ultra-low weight with race-ready strength. Engineered for ext…","attributes":[{"label":"Date Created","value":"29/11/2022 13:44:02"},{"label":"Date Last Updated","value":"23/09/2026 12:24:52"},{"label":"Manufacturer","value":"JT"},{"label":"On Order","value":"0"},{"label":"Price Last Updated","value":"02/09/2026 15:52:27"},{"label":"Stock Id","value":"277348"},{"label":"Weight Grams","value":"554"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1303-52_2EA_2EJT_2EBK/2381b83810ad52a6.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR1303-52_2EA_2EJT_2EBK/2381b83810ad52a6.png"],"description":"JT RaceLite Alloy Rear Sprocket 52 Tooth Black for 520 Chain CNC-machined from certified 7075-T6 Ergal, JT RaceLite rear sprockets pair ultra-low weight with race-ready strength. Engineered for ext…","descriptionMarkdown":"### JT RaceLite Alloy Rear Sprocket 52 Tooth Black for 520 Chain\n\nCNC-machined from certified 7075-T6 Ergal, **JT** RaceLite rear sprockets pair ultra-low weight with race-ready strength. Engineered for extreme conditions, they cut rotating mass for quicker acceleration while maintaining exceptional wear resistance. This black 52-tooth sprocket is for road motorcycles running a 520 chain.\n\n### Key Features\n\n- 7075-T6 Ergal aviation-grade aluminium construction\n\n- Precision CNC machining to tight tolerances\n\n- Ultra-low rotating mass for quicker acceleration\n\n- Designed for extreme pro-race conditions\n\n- High strength-to-weight ratio with excellent durability\n\n- Clean, consistent tooth profile for smooth chain engagement\n\n### Specifications\n\n- Position: Rear\n\n- Material: 7075-T6 Ergal aluminium\n\n- Tooth count: 52\n\n- Drive chain pitch: 520\n\n- Colour: Black","weightGrams":554,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/rear-sprocket-alloy-jta130352-black-honda-road-chain-520","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/f061ebfc95ee:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/f061ebfc95ee: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."]}}