{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"57cbed0396ee","name":"REAR SPROCKET TWINRING JTX251.51GR, TWINSTAR ALLOY & STEEL","sku":"SR245-51.JT.TW","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":41.58,"formatted":"£41.58"},"summary":"The core of the JT TwinStar is made from lightweight aviation grade Ergal 7075-T6 Aluminium, precision made using state-of-the-art laser cutting and CNC machining. The steel outer ring is heat-induction hardened for a sprocket that lasts up to six times longer than a standard 7075-T6 aluminium sprocket. This is a rear sprocket with model number JTX251.51GR. It is made of a combination of alloy and steel. The weight is 774 grams.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"296170"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-51_2EJT_2ETW/53a4d98900bfe366.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-51_2EJT_2ETW/53a4d98900bfe366.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-51_2EJT_2ETW/d28012cdc151aa5a.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-51_2EJT_2ETW/aa8df1e6b5deef49.jpg"],"description":"The core of the JT TwinStar is made from lightweight aviation grade Ergal 7075-T6 Aluminium, precision made using state-of-the-art laser cutting and CNC machining. The steel outer ring is heat-induction hardened for a sprocket that lasts up to six times longer than a standard 7075-T6 aluminium sprocket. This is a rear sprocket with model number JTX251.51GR. It is made of a combination of alloy and steel. The weight is 774 grams.","descriptionMarkdown":"### JT TwinRing JTX251.51GR Rear Sprocket\n\nExperience superior performance and longevity with the JT TwinRing JTX251.51GR rear sprocket. This innovative sprocket combines a lightweight, high-strength core with a durable steel outer ring for exceptional wear resistance.\n\n- Core Material: Precision-manufactured from aviation-grade Ergal 7075-T6 Aluminium for a lightweight yet robust construction.\n\n- Outer Ring: Features a heat-induction hardened steel outer ring, designed to provide up to six times the lifespan of a standard 7075-T6 aluminium sprocket.\n\n- Manufacturing Process: Utilizes state-of-the-art laser cutting and CNC machining for precision and accuracy.\n\n- Durable Construction: Engineered for demanding riding conditions, offering a balance of weight savings and extended durability.","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-twinring-jtx25151gr-twinstar-alloy-steel","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/57cbed0396ee:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/57cbed0396ee: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."]}}