{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"db44d049e932","name":"REAR SPROCKET ALLOY RENTHAL, ULTRALITE 112U-520-51GESI SILVER","sku":"SR460-51.REN.SI","brand":"Renthal","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":4,"price":{"amount":47.81,"formatted":"£47.81"},"summary":"RENTHAL Ultralite Rear Sprocket. Part number SR460-51.REN.SI. This 520 pitch, 51 tooth rear chainwheel is made from 7075 T6 alloy and is hard anodised for increased longevity and wear resistance. Designed for road and road racing applications. Colour: Silver. Weight: 454g.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278433"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR460-51_2EREN_2ESI/d69dc75d80528ecd.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR460-51_2EREN_2ESI/d69dc75d80528ecd.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR460-51_2EREN_2ESI/511a75e63ce327dd.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR460-51_2EREN_2ESI/04e4fea36a9216f3.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR460-51_2EREN_2ESI/c5acc14c921ba63a.jpg"],"description":"RENTHAL Ultralite Rear Sprocket. Part number SR460-51.REN.SI. This 520 pitch, 51 tooth rear chainwheel is made from 7075 T6 alloy and is hard anodised for increased longevity and wear resistance. Designed for road and road racing applications. Colour: Silver. Weight: 454g.","descriptionMarkdown":"### Renthal Ultralite Hard Anodised Rear Sprocket\n\nThis Renthal Ultralite rear sprocket is engineered for superior performance and durability, making it an excellent choice for both road and road racing applications. It is precision CNC machined from high-strength 7075 T6 aluminum, the same premium material used in Renthal's renowned offroad chainwheels.\n\nThe key feature of this sprocket is its hard anodised finish. This advanced surface treatment creates an integral coating that significantly enhances the sprocket's hardness and wear resistance, providing extended longevity compared to standard finishes.\n\n \n- Material: 7075 T6 Aluminum\n \n- Finish: Hard Anodised\n \n- Application: Road and Road Racing\n \n- Manufacturing: CNC Machined\n \n- Benefit: Increased longevity and wear resistance\n \n- Color: Silver\n \n- Chain Size: 520\n \n- Teeth: 51","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KDX 175","cc":null,"notes":null,"years":"1979–1985"},{"make":"KAWASAKI","model":"KDX 200","cc":null,"notes":null,"years":"1986–2006"},{"make":"KAWASAKI","model":"KDX 220","cc":null,"notes":null,"years":"1997–2005"},{"make":"KAWASAKI","model":"KDX 250","cc":null,"notes":null,"years":"1982–1993"},{"make":"KAWASAKI","model":"KDX 420","cc":null,"notes":null,"years":"1980"},{"make":"KAWASAKI","model":"KLX 250","cc":null,"notes":null,"years":"1979–1994"},{"make":"KAWASAKI","model":"KLX 300","cc":null,"notes":null,"years":"1997–2003"},{"make":"KAWASAKI","model":"KLX 300R","cc":null,"notes":null,"years":"1997–2008"},{"make":"KAWASAKI","model":"KLX 450R","cc":null,"notes":null,"years":"2008–2021"},{"make":"KAWASAKI","model":"KLX 650","cc":null,"notes":null,"years":"1993–1996"},{"make":"KAWASAKI","model":"KX 125","cc":null,"notes":null,"years":"1980–2008"},{"make":"KAWASAKI","model":"KX 250","cc":null,"notes":null,"years":"1979–2008, 2019–2025"},{"make":"KAWASAKI","model":"KX 250F","cc":null,"notes":null,"years":"2004–2019"},{"make":"KAWASAKI","model":"KX 250X","cc":null,"notes":null,"years":"2021–2025"},{"make":"KAWASAKI","model":"KX 450F","cc":null,"notes":null,"years":"2006–2025"},{"make":"KAWASAKI","model":"KX 450X","cc":null,"notes":null,"years":"2021–2025"},{"make":"KAWASAKI","model":"KX 500","cc":null,"notes":null,"years":"1983–2004"},{"make":"KAWASAKI","model":"KX K1 K5 L1 125","cc":null,"notes":null,"years":"1994–2008"},{"make":"SUZUKI","model":"RM-Z 250","cc":null,"notes":null,"years":"2004–2009"}],"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-alloy-renthal-ultralite-112u-520-51gesi-silver","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/db44d049e932:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/db44d049e932:1"}},"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."]}}