{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"09860008937e","name":"REAR SPROCKET ORANGE ALLOY RENTHAL 49T, 2025 GASGAS/HUSQVARNA/KTM, ULTRALITE 518U-420-49GPOR","sku":"SR518-49.REN.OR","brand":"Renthal","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":45.41,"formatted":"£45.41"},"summary":"Renthal Ultralite 518U rear sprocket in orange with 49T. Precision CNC machined in the UK from high-strength 7075 T6 aluminium. This sprocket offers a 66% weight reduction compared to steel alternatives and features computer-engineered tooth profiling for optimal load dispersion and maximum power transfer. Designed with tight tolerances for accurate fitment and superior concentricity. Features a hard-wearing surface treatment for extended durability. Used by more factory race teams than any other aluminium sprocket brand. Weight is 210 grams.","attributes":[{"label":"Variant Id","value":"346824"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR518-49_2EREN_2EOR/f4af6d5b3e9bb2d1.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR518-49_2EREN_2EOR/f4af6d5b3e9bb2d1.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR518-49_2EREN_2EOR/89b999aa4960a529.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR518-49_2EREN_2EOR/7cc4f826fa287142.jpg"],"description":"Renthal Ultralite 518U rear sprocket in orange with 49T. Precision CNC machined in the UK from high-strength 7075 T6 aluminium. This sprocket offers a 66% weight reduction compared to steel alternatives and features computer-engineered tooth profiling for optimal load dispersion and maximum power transfer. Designed with tight tolerances for accurate fitment and superior concentricity. Features a hard-wearing surface treatment for extended durability. Used by more factory race teams than any other aluminium sprocket brand. Weight is 210 grams.","descriptionMarkdown":"### Renthal Ultralite 518U Series Rear Sprocket 49 Tooth Orange\n\nExperience superior performance with the Renthal Ultralite 518U Series Rear Sprocket. Precision CNC machined in the UK from high-strength 7075 T6 aluminum, this sprocket offers a significant 66% weight reduction compared to traditional steel alternatives. Its advanced design features tight tolerances for accurate fitment, optimized tooth profiling for maximum power transfer, and enhanced load dispersion. The hard-wearing surface treatment ensures extended durability, making it the choice of numerous factory race teams.\n\n#### Key Features:\n\n \n- Constructed from high-strength 7075 T6 aluminum.\n \n- 66% lighter than equivalent steel sprockets.\n \n- CNC machined to extremely tight tolerances for precise fitment.\n \n- Computer-engineered for optimal concentricity.\n \n- Designed for superior load dispersion and maximum power transfer.\n \n- Features a hard-wearing surface treatment for extended durability.\n \n- Trusted by more factory race teams than any other aluminum sprocket brand.\n \n- Specifications: 49 Tooth, 420 Pitch, Orange finish.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/rear-sprocket-orange-alloy-renthal-49t-2025-gasgashusqvarnaktm-ultralite-518u-42","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/09860008937e:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/09860008937e: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."]}}