{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"cffb9cd327d0","name":"REAR SPROCKET STEEL 53 [JTR301/210.53] 520, DOUBLE DRILLED JTR301, JTR210","sku":"SR301-53.S.DR","brand":"Dirt Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":11,"price":{"amount":18.17,"formatted":"£18.17"},"summary":"REAR SPROCKET STEEL 53 520 CHAIN DOUBLE DRILLED JTR301 JTR210. Made with C45 high-carbon steel. Each sprocket is heat treated and sandblasted to reduce surface tension. Finished in Powder Coated Black or Silver BZP bright zinc plated. Meets or exceeds industry compound standards. Tooth Count: 53. Chain Size: 520. Fixing Holes: Countersunk CSK 8.5mm & CTB Plain 10.5mm. Part No.: SR301-53.S.DR. Cross-Reference OEM Part Numbers: JTR301.53, JTR210.53, MX-80353.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278215"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR301-53_2ES_2EDR/dcb580ea88938aab.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR301-53_2ES_2EDR/dcb580ea88938aab.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR301-53_2ES_2EDR/0578b243fd890198.jpg"],"description":"REAR SPROCKET STEEL 53 520 CHAIN DOUBLE DRILLED JTR301 JTR210. Made with C45 high-carbon steel. Each sprocket is heat treated and sandblasted to reduce surface tension. Finished in Powder Coated Black or Silver BZP bright zinc plated. Meets or exceeds industry compound standards. Tooth Count: 53. Chain Size: 520. Fixing Holes: Countersunk CSK 8.5mm & CTB Plain 10.5mm. Part No.: SR301-53.S.DR. Cross-Reference OEM Part Numbers: JTR301.53, JTR210.53, MX-80353.","descriptionMarkdown":"### Dirt Racing Rear Sprocket 53 Tooth Steel for 520 Chain\n\n\tUpgrade your motorcycle's drivetrain with this high-quality 53-tooth steel rear sprocket from Dirt Racing.\n\tDesigned for durability and performance, this sprocket is engineered to meet or exceed industry standards.\n\n#### Key Features:\n\n\t\n- Material: Constructed from C45 high-carbon steel for superior strength and longevity.\n\t\n- Durability: Each sprocket undergoes heat treatment and sandblasting to reduce surface tension, enhancing its lifespan.\n\t\n- Finish: Available in a sleek Powder Coated Black or a bright Silver BZP (Bright Zinc Plated) finish, offering both aesthetic appeal and corrosion resistance.\n\t\n- Chain Compatibility: Specifically designed for use with 520 pitch chains.\n\t\n- Tooth Count: Features 53 teeth for optimized gear ratios.\n\t\n- Mounting: Includes double drilled fixing holes: Countersunk (CSK) 8.5mm and Countersunk Plain (CTB) 10.5mm, providing versatile mounting options.\n\n#### Specifications:\n\n\t\n- Tooth Count: 53\n\t\n- Chain Size: 520\n\t\n- Fixing Holes: Countersunk CSK 8.5mm & CTB Plain 10.5mm\n\t\n- Part No.: \n\n#### Cross-Reference OEM Part Numbers:\n\n\t\n- JTR301.53\n\t\n- JTR210.53\n\t\n- MX-80353","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-53-jtr30121053-520-double-drilled-jtr301-jtr210","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/cffb9cd327d0:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/cffb9cd327d0:1"}},"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."]}}