{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"8ffb2b1ea169","name":"PISTON KIT 04-07 CRF250R 78.00, WISECO 4829M07800B HONDA MX","sku":"56-W4829.B.WI","brand":"Wiseco","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":220.44,"formatted":"£220.44"},"summary":"Wiseco Piston Kit 4829M07800B for Honda CRF250R (2004-2007) and CRF250X (2004-2015). B Size, 77.95mm bore, 12.9:1 compression ratio. Forged pistons offer superior strength and durability for extreme racing conditions compared to cast pistons. Specifications: 249 cc displacement, 78.00 mm actual bore, 52.20 mm stroke, 1 cylinder, 12.8:1 actual compression ratio. Part number 56-W4829.B.WI. Weight 252 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"78mm"},{"label":"Variant Id","value":"295781"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4829_2EB_2EWI/1e04344849911361.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4829_2EB_2EWI/1e04344849911361.png"],"description":"Wiseco Piston Kit 4829M07800B for Honda CRF250R (2004-2007) and CRF250X (2004-2015). B Size, 77.95mm bore, 12.9:1 compression ratio. Forged pistons offer superior strength and durability for extreme racing conditions compared to cast pistons. Specifications: 249 cc displacement, 78.00 mm actual bore, 52.20 mm stroke, 1 cylinder, 12.8:1 actual compression ratio. Part number 56-W4829.B.WI. Weight 252 grams.","descriptionMarkdown":"### Wiseco Forged Piston Kit for Honda CRF250R and CRF250X\n\nThis Wiseco Piston Kit is engineered for the demanding conditions of extreme racing. Featuring a forged construction, this piston offers superior toughness and durability compared to cast pistons, making it ideal for high-performance motorsport applications. Forged pistons possess condensed grain structure aligned to the part's features, resulting in enhanced mechanical properties and resistance to impact and fatigue, crucial for preventing catastrophic failure under extreme stress.\n\n#### Key Features:\n\n \n- Forged construction for maximum strength and durability\n \n- Designed to withstand extreme racing conditions\n \n- Optimized strength-to-weight ratio\n \n- Actual Bore: 78.00 mm\n \n- Actual Compression Ratio: 12.8:1\n \n- B Size Piston\n\nThis kit is designed for a 249 cc displacement with a standard bore of 78.00 mm and a stroke of 52.20 mm. The compression ratio is specifically set at 12.9:1 for optimal performance.","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF 250R","cc":null,"notes":null,"years":"2004–2009"},{"make":"HONDA","model":"CRF 250X","cc":null,"notes":null,"years":"2004–2017"}],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Pistons & Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/pistons-kits"}],"links":{"page":"https://www.2brosparts.com/products/piston-kit-04-07-crf250r-7800-wiseco-4829m07800b-honda-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/8ffb2b1ea169:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/8ffb2b1ea169:1"}},"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."]}}