{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"dd7ea9a4c0d3","name":"PISTON KIT 01-05 KTM250 75.00, FORGED WOSSNER 8592DA 59830007000","sku":"56-W029.A","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":182.4,"formatted":"£182.40"},"summary":"Wossner forged piston kit. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Forged construction for enhanced durability. Optimized heat transfer for improved performance. Elliptical design prevents localized pressure and piston collapse. OEM compression ratio for direct replacement. Bore: 74.95 mm. Piston Size: 75.00 mm. Displacement: 249 cm&sup3;. Stroke: 56.50 mm. Clearance: 0.05 mm. Wossner Compression Ratio: OEM. OEM Compression Ratio: 12.00:1. Dome Volume: +4.10 cm&sup3;. Compression Height: 25.30 mm. Lock: CW20. Pin: WP029. Ring Set: 750XDS. OEM Part Number: 59830007000.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"254314"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W029_2EA/737fbc822620a878.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W029_2EA/737fbc822620a878.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W029_2EA/f51d50cf33749be3.jpg"],"description":"Wossner forged piston kit. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Forged construction for enhanced durability. Optimized heat transfer for improved performance. Elliptical design prevents localized pressure and piston collapse. OEM compression ratio for direct replacement. Bore: 74.95 mm. Piston Size: 75.00 mm. Displacement: 249 cm&sup3;. Stroke: 56.50 mm. Clearance: 0.05 mm. Wossner Compression Ratio: OEM. OEM Compression Ratio: 12.00:1. Dome Volume: +4.10 cm&sup3;. Compression Height: 25.30 mm. Lock: CW20. Pin: WP029. Ring Set: 750XDS. OEM Part Number: 59830007000.","descriptionMarkdown":"### Wossner Forged Piston Kit 75.00mm 249cc\n\nUpgrade your motorcycle's engine with this high-performance Wossner forged piston kit. Engineered for superior strength and durability, this piston kit is designed to deliver optimal performance and reliability. Manufactured in Germany, Wossner pistons are built to withstand the demands of high-performance riding.\n\nThe forged construction provides enhanced strength compared to cast pistons, ensuring longevity and resistance to extreme conditions. Wossner's innovative elliptical design is crucial for managing heat expansion. This design ensures a uniform bearing surface under heat, effectively reducing localized pressure and distributing thrust loads evenly. This prevents piston collapse and contributes to a smoother running engine.\n\nThis piston kit is engineered for optimal heat transfer from the combustion chamber to the cylinder walls, which helps to maintain consistent engine temperatures and improve overall efficiency.\n\n**Key Features:**\n\n\t\n- Forged Construction: Provides superior strength and durability for demanding applications.\n\t\n- Elliptical Design: Ensures uniform bearing surface under heat expansion, preventing localized pressure and piston collapse.\n\t\n- Optimized Heat Transfer: Enhances engine efficiency and longevity by managing combustion chamber heat.\n\t\n- OEM Compression Ratio: Designed for a direct replacement, maintaining the original engine's compression specifications.\n\n**Specifications:**\n\n\t\n- Bore: 74.95 mm\n\t\n- Piston Size: 75.00 mm\n\t\n- Displacement: 249 cm&sup3;\n\t\n- Stroke: 56.50 mm\n\t\n- Clearance: 0.05 mm\n\t\n- Wossner Compression Ratio: OEM\n\t\n- OEM Compression Ratio: 12.00:1\n\t\n- Dome Volume: +4.10 cm&sup3;\n\t\n- Compression Height: 25.30 mm\n\n**Included Components:**\n\n\t\n- Lock: CW20\n\t\n- Pin: WP029\n\t\n- Ring Set: 750XDS\n\n**Cross-Reference OEM Part Number:**\n\n\t\n- 59830007000","weightGrams":null,"fitments":[{"make":"BETA","model":"RR 250","cc":null,"notes":null,"years":"2005–2007, 2013–2017"},{"make":"BETA","model":"RR ENDURO 4T 250","cc":null,"notes":null,"years":"2005–2007"},{"make":"KTM","model":"250 EXC R","cc":null,"notes":null,"years":"2001–2005"},{"make":"KTM","model":"250 EXC Racing","cc":null,"notes":"1st Filter","years":"2003–2006"},{"make":"KTM","model":"250 EXC RACING","cc":null,"notes":null,"years":"2001–2002"}],"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-01-05-ktm250-7500-forged-wossner-8592da-59830007000","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/dd7ea9a4c0d3:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/dd7ea9a4c0d3:1"}},"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. 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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."]}}