{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"38ebe73d752e","name":"REAR SPROCKET TWINRING YAM, RENTHAL 1500-520-51GPSI JTR251","sku":"SR245-51.REN.TR","brand":"Renthal","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":79.62,"formatted":"£79.62"},"summary":"REAR SPROCKET TWINRING YAM, RENTHAL 1500-520-51GPSI JTR251. Inner Ring is high strength Ultralight 7075 T6 Aluminium. Outer Ring is Electroless Nickel Coated steel. The longest lasting most durable off-road sprocket. Unique flat face design keeps weight to a minimum and means the TwinRing is as narrow as a regular chainwheel.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278015"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-51_2EREN_2ETR/8c3cc3a483467d1c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-51_2EREN_2ETR/8c3cc3a483467d1c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-51_2EREN_2ETR/a81ebefab4c1ac9b.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-51_2EREN_2ETR/71a60d86f05ba5cf.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR245-51_2EREN_2ETR/8f818eda8c1804d9.jpg"],"description":"REAR SPROCKET TWINRING YAM, RENTHAL 1500-520-51GPSI JTR251. Inner Ring is high strength Ultralight 7075 T6 Aluminium. Outer Ring is Electroless Nickel Coated steel. The longest lasting most durable off-road sprocket. Unique flat face design keeps weight to a minimum and means the TwinRing is as narrow as a regular chainwheel.","descriptionMarkdown":"### Renthal Twin Ring Rear Sprocket\n\nExperience the ultimate in durability and longevity with the Renthal Twin Ring Rear Sprocket. Engineered for demanding off-road conditions, this sprocket has been developed over five years to be the longest-lasting and most robust option available.\n\nThe innovative flat face design not only minimizes weight but also ensures the TwinRing is as narrow as a standard chainwheel, maintaining optimal performance and clearance.\n\n#### Key Features:\n\n \n- Dual Material Construction: Features an inner ring made from high-strength Ultralight 7075 T6 Aluminium and an outer ring with an Electroless Nickel Coated steel finish for superior wear resistance.\n \n- Permanent Bond: The outer ring is precisely expanded at 200°C and then fitted to the inner ring, creating a permanent and robust bond that lasts the lifetime of the sprocket.\n \n- Exceptional Durability: Designed for extended use and extreme conditions, providing reliable performance when you need it most.\n \n- Weight Optimization: The flat face design contributes to a lighter overall weight without compromising strength.","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-yam-renthal-1500-520-51gpsi-jtr251","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/38ebe73d752e:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/38ebe73d752e: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."]}}