{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ea5da47501f8","name":"REAR SPROCKET STEEL 49 [JTR301/210.49] 520, DOUBLE DRILLED JTR301, JTR210","sku":"SR301-49.S.DR","brand":"Dirt Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":23,"price":{"amount":17.84,"formatted":"£17.84"},"summary":"REAR SPROCKET STEEL 49 TOOTH 520 CHAIN SIZE DOUBLE DRILLED JTR301 JTR210. Made with C45 high-carbon steel, heat treated and sandblasted. Features a dual-hole design with Countersunk CSK 8.5 mm and CTB Plain 10.5 mm bolt holes. Available in powder-coated black or bright zinc plated silver finish. Part No. SR301-49.S.DR.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278197"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock77443_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock77443_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock77443_2.jpg"],"description":"REAR SPROCKET STEEL 49 TOOTH 520 CHAIN SIZE DOUBLE DRILLED JTR301 JTR210. Made with C45 high-carbon steel, heat treated and sandblasted. Features a dual-hole design with Countersunk CSK 8.5 mm and CTB Plain 10.5 mm bolt holes. Available in powder-coated black or bright zinc plated silver finish. Part No. SR301-49.S.DR.","descriptionMarkdown":"### Dirt Racing REAR SPROCKET STEEL 49 for 520 Chain\n\nUpgrade your motorcycle's drivetrain with this durable 49-tooth steel rear sprocket from Dirt Racing. Engineered for 520 chain systems, this sprocket is built to withstand demanding riding conditions.\n\n**Key Features:**\n\n\t\n- Constructed from high-carbon C45 steel for superior strength and longevity.\n\t\n- Heat-treated and sandblasted to reduce surface tension, enhancing durability.\n\t\n- Features a versatile double-drilled bolt hole pattern with both countersunk CSK 8.5 mm and plain CTB 10.5 mm options for broad compatibility.\n\t\n- Available in a stylish powder-coated black finish or a bright zinc-plated silver for corrosion resistance.\n\n**Specifications:**\n\n\t\n- Tooth Count: 49\n\t\n- Chain Size: 520\n\t\n- Material: High-carbon C45 Steel\n\t\n- Bolt Hole Patterns: Countersunk (8.5 mm), Plain (10.5 mm)\n\t\n- Finishes: Powder-coated Black or Bright Zinc Plated Silver\n\n**Cross-Reference Part Numbers:**\n\n\t\n- JTR301.49\n\t\n- JTR210.49\n\t\n- L17-0249\n\t\n- MX-80349","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-49-jtr30121049-520-double-drilled-jtr301-jtr210","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ea5da47501f8:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ea5da47501f8:1"}},"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."]}}