{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"87887f3612ea","name":"REAR SPROCKET STEEL 48 [JTR301/210.48] 520, DOUBLE DRILLED JTR301, JTR210","sku":"SR301-48.S.DR","brand":"Dirt Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":32,"price":{"amount":17.52,"formatted":"£17.52"},"summary":"REAR SPROCKET STEEL 48 [JTR301/210.48] 520, DOUBLE DRILLED JTR301, JTR210. Made with C45 high-carbon steel. Heat treated and sandblasted to reduce surface tension. Finished in powder-coated black or bright zinc plated silver. Dual-hole design: Countersunk (CSK 8.5 mm) and CTB Plain (10.5 mm). Tooth Count: 48. Chain Size: 520. Part No.: SR301-48.S.DR. Cross-Reference OEM Part Numbers: JTR301.48, JTR210.48, L17-0248, MX-80348.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278192"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock77438_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock77438_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock77438_2.jpg"],"description":"REAR SPROCKET STEEL 48 [JTR301/210.48] 520, DOUBLE DRILLED JTR301, JTR210. Made with C45 high-carbon steel. Heat treated and sandblasted to reduce surface tension. Finished in powder-coated black or bright zinc plated silver. Dual-hole design: Countersunk (CSK 8.5 mm) and CTB Plain (10.5 mm). Tooth Count: 48. Chain Size: 520. Part No.: SR301-48.S.DR. Cross-Reference OEM Part Numbers: JTR301.48, JTR210.48, L17-0248, MX-80348.","descriptionMarkdown":"### Dirt Racing 520 Chain Rear Steel Sprocket 48 Tooth Double Drilled\n\nUpgrade your motorcycle's drivetrain with this high-quality 48-tooth steel rear sprocket from Dirt Racing. Designed for 520 chain applications, this sprocket offers exceptional durability and performance. Its unique double-drilled design provides versatility for various mounting configurations.\n\n**Key Features:**\n\n \n- Constructed from C45 high-carbon steel for superior strength and longevity.\n \n- Heat-treated and sandblasted to reduce surface tension, enhancing durability.\n \n- Available in a sleek powder-coated black finish or a bright zinc-plated silver finish.\n \n- Features a dual-hole design for flexible installation:\n \n \n- Countersunk (CSK) fixing holes measuring 8.5 mm.\n \n- Plain (CTB) fixing holes measuring 10.5 mm.\n \n\n**Specifications:**\n\n \n- Tooth Count: 48\n \n- Chain Size Compatibility: 520\n \n- Part Number: \n\n**Cross-Reference Numbers:**\n\n \n- JTR301.48\n \n- JTR210.48\n \n- L17-0248\n \n- MX-80348","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF L 250","cc":null,"notes":null,"years":"2013–2016"},{"make":"HONDA","model":"XR 250","cc":null,"notes":null,"years":"1996–2004"},{"make":"HONDA","model":"XR 400","cc":null,"notes":null,"years":"1996–2005"}],"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-48-jtr30121048-520-double-drilled-jtr301-jtr210","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/87887f3612ea:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/87887f3612ea: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."]}}