{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"cef393aa3d34","name":"PISTON KIT 01-08 KTM50 SX, WOSSNER 8225DA FORGED MX 45030007000","sku":"56-W803.A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":83.92,"formatted":"£83.92"},"summary":"Wossner forged piston kit with a 39.50mm bore. Standard size replacement for KTM SX50 models (2001-2008) and KTM 50 Mini Adventure models (2002-2008). Features forged construction for superior strength and durability, optimal heat transfer design, and an elliptical shape for even thrust load distribution and minimal piston collapse. Made in Germany. Specifications include an actual bore of 39.46mm, 50 cm³ engine displacement, 40.00mm stroke, 0.04mm clearance, 2-stroke compression ratio, 21.60mm compression height, CW12 lock part number, WP101 pin part number, and RSB3950 ring set part number. Cross-reference OEM part numbers: 45030007000, 803M03950.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"257819"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W803_2EA_2EWO/498ee3d347e6c53a.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W803_2EA_2EWO/498ee3d347e6c53a.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W803_2EA_2EWO/26e0e4059b9835e0.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W803_2EA_2EWO/99ee2137d4ae5836.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W803_2EA_2EWO/06ff6c7ad085d8e2.jpg"],"description":"Wossner forged piston kit with a 39.50mm bore. Standard size replacement for KTM SX50 models (2001-2008) and KTM 50 Mini Adventure models (2002-2008). Features forged construction for superior strength and durability, optimal heat transfer design, and an elliptical shape for even thrust load distribution and minimal piston collapse. Made in Germany. Specifications include an actual bore of 39.46mm, 50 cm³ engine displacement, 40.00mm stroke, 0.04mm clearance, 2-stroke compression ratio, 21.60mm compression height, CW12 lock part number, WP101 pin part number, and RSB3950 ring set part number. Cross-reference OEM part numbers: 45030007000, 803M03950.","descriptionMarkdown":"### Wossner Forged Piston Kit - 39.50mm Bore\n\nThis Wossner forged piston kit features a 39.50mm bore and is engineered for optimal performance and durability in small two-stroke engines. Its forged construction provides superior strength, while the elliptical design ensures even thrust load distribution and minimizes piston collapse. This kit is designed for efficient heat transfer from the combustion chamber to the cylinder walls, helping to maintain reliability.\n\n#### Key Features:\n\n\t\n- Forged construction for enhanced strength and longevity.\n\t\n- Designed for optimal heat transfer.\n\t\n- Elliptical piston design for even thrust load distribution.\n\t\n- Precision manufactured in Germany.\n\n#### Specifications:\n\n\t\n- Bore: 39.50mm\n\t\n- Actual Bore: 39.46mm\n\t\n- Engine Displacement: 50 cm&sup3;\n\t\n- Stroke: 40.00mm\n\t\n- Clearance: 0.04mm\n\t\n- Compression Ratio: 2-stroke (Wossner and OEM)\n\t\n- Compression Height: 21.60mm\n\t\n- Lock Part Number: CW12\n\t\n- Pin Part Number: WP101\n\t\n- Ring Set Part Number: RSB3950\n\n#### Cross-Reference OEM Part Numbers:\n\n\t\n- 45030007000\n\t\n- 803M03950","weightGrams":null,"fitments":[{"make":"BETA","model":"RK6 50","cc":null,"notes":null,"years":"1997–2002"},{"make":"BETA","model":"ST 50","cc":null,"notes":null,"years":"1996–1999"},{"make":"BETA","model":"SUPERMOTARD 50","cc":null,"notes":null,"years":"1996–1999"},{"make":"KTM","model":"50 ADVENTURE","cc":null,"notes":null,"years":"2002–2008"},{"make":"KTM","model":"50 JR ADVENTURE","cc":null,"notes":null,"years":"2002–2003"},{"make":"KTM","model":"50 MINI ADVENTURE","cc":null,"notes":null,"years":"2002–2008"},{"make":"KTM","model":"50 MINI ADVENTURE GS","cc":null,"notes":null,"years":"2002"},{"make":"KTM","model":"50 SR ADVENTURE","cc":null,"notes":null,"years":"2002–2007"},{"make":"KTM","model":"50 SX","cc":null,"notes":null,"years":"2001–2008"},{"make":"KTM","model":"50 SX JR","cc":null,"notes":null,"years":"2006–2008"},{"make":"KTM","model":"50 SX MINI LC","cc":null,"notes":null,"years":"2001–2008"},{"make":"KTM","model":"50 SX PRO JR","cc":null,"notes":null,"years":"2001–2005"},{"make":"KTM","model":"50 SX PRO SR","cc":null,"notes":null,"years":"2001–2005"},{"make":"KTM","model":"50 SXR ADVENTURE","cc":null,"notes":null,"years":"2003–2007"}],"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-01-08-ktm50-sx-wossner-8225da-forged-mx-45030007000","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/cef393aa3d34:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/cef393aa3d34:1"}},"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."]}}