{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"38a61d5fb259","name":"REAR SPROCKET STEEL HARD LIGHT 11H-428-52 SR245/251-52","sku":"SR245-52.SMTX","brand":"MTX Parts","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":9,"price":{"amount":26.3,"formatted":"£26.30"},"summary":"REAR SPROCKET STEEL HARD LIGHT 11H-428-52 SR245/251-52. 52 Teeth. C45 hardened steel, CNC machined lightweight design. Silver nickel finish. Japanese JIS SCM415 hardened steel.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278036"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-52_2ESMTX/01330cfadd937238.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-52_2ESMTX/01330cfadd937238.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-52_2ESMTX/d3989943634a9369.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-52_2ESMTX/2cca99271bc1864f.jpg"],"description":"REAR SPROCKET STEEL HARD LIGHT 11H-428-52 SR245/251-52. 52 Teeth. C45 hardened steel, CNC machined lightweight design. Silver nickel finish. Japanese JIS SCM415 hardened steel.","descriptionMarkdown":"### Steel Rear Sprocket 11 Tooth 428 Pitch - 52 Teeth\n\nUpgrade your motorcycle's performance and durability with this premium steel rear sprocket. Engineered for strength and lightness, this sprocket features a 52-tooth count and is designed for 428 pitch chains.\n\n#### Key Features:\n\n \n- Material: Constructed from high-quality C45 hardened steel for exceptional strength and wear resistance.\n \n- Design: Features a CNC machined lightweight design to reduce unsprung weight without compromising integrity.\n \n- Finish: Treated with a Silver Nickel finish for enhanced corrosion resistance and a sleek look.\n \n- Steel Quality: Utilizes Japanese JIS SCM415 hardened steel, renowned for its superior hardness and durability.\n \n- Tooth Count: 52 teeth, suitable for optimizing acceleration and top-end speed depending on your gearing setup.\n \n- Pitch Compatibility: Designed for 428 pitch chains.","weightGrams":null,"fitments":[{"make":"HONDA","model":"XL 250","cc":null,"notes":null,"years":"1982–1987"},{"make":"HONDA","model":"XL 500","cc":null,"notes":null,"years":"1979–1984"},{"make":"HONDA","model":"XL 600","cc":null,"notes":null,"years":"1984–1994"},{"make":"HONDA","model":"XR 250","cc":null,"notes":null,"years":"1979–1983"},{"make":"HONDA","model":"XR 600R","cc":null,"notes":null,"years":"1983–1990"},{"make":"YAMAHA","model":"WR 250","cc":null,"notes":null,"years":"2000–2006"},{"make":"YAMAHA","model":"WR 250F","cc":null,"notes":null,"years":"2001–2019"},{"make":"YAMAHA","model":"WR 400F","cc":null,"notes":null,"years":"1999–2002"},{"make":"YAMAHA","model":"WR 426F","cc":null,"notes":null,"years":"1999–2002"},{"make":"YAMAHA","model":"WR 450F","cc":null,"notes":null,"years":"2003–2019"},{"make":"YAMAHA","model":"YZ 125","cc":null,"notes":null,"years":"1999–2020"},{"make":"YAMAHA","model":"YZ 250","cc":null,"notes":null,"years":"1977–2019"},{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"2001–2019"},{"make":"YAMAHA","model":"YZ 400","cc":null,"notes":null,"years":"1977–2002"},{"make":"YAMAHA","model":"YZ 400F","cc":null,"notes":null,"years":"1999"},{"make":"YAMAHA","model":"YZ 426","cc":null,"notes":null,"years":"2000–2002"},{"make":"YAMAHA","model":"YZ 426F","cc":null,"notes":null,"years":"2000–2002"},{"make":"YAMAHA","model":"YZ 450F","cc":null,"notes":null,"years":"2003–2019"}],"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-hard-light-11h-428-52-sr245251-52","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/38a61d5fb259:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/38a61d5fb259:1"}},"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."]}}