{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"fe6451350e06","name":"PISTON KIT Aprilia RS125 A, FORGED WOSSNER KIT 8027DA","sku":"56-W046.A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":4,"price":{"amount":115.06,"formatted":"£115.06"},"summary":"Wossner forged piston kit for 2-stroke engines featuring superior strength and performance. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures a uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Features: forged construction for enhanced durability, optimized heat transfer, elliptical design prevents localized pressure and piston collapse, designed for 2-stroke applications. Specifications: Bore 53.95 mm, Piston Size 54.00 mm, Displacement 125 cm&sup3;, Stroke 54.50 mm, Clearance 0.05 mm, Compression Height 29.00 mm. Cross-Reference OEM Part Numbers: Rings (2x) RSB5400, Clips CW15, Pin WP032.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"254389"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W046_2EA_2EWO/4c883039820a46e6.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W046_2EA_2EWO/4c883039820a46e6.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W046_2EA_2EWO/a94be8caf6dcdb73.jpg"],"description":"Wossner forged piston kit for 2-stroke engines featuring superior strength and performance. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures a uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Features: forged construction for enhanced durability, optimized heat transfer, elliptical design prevents localized pressure and piston collapse, designed for 2-stroke applications. Specifications: Bore 53.95 mm, Piston Size 54.00 mm, Displacement 125 cm&sup3;, Stroke 54.50 mm, Clearance 0.05 mm, Compression Height 29.00 mm. Cross-Reference OEM Part Numbers: Rings (2x) RSB5400, Clips CW15, Pin WP032.","descriptionMarkdown":"### Wossner Forged Piston Kit for 2-Stroke Engines\n\nThis Wossner forged piston kit is engineered for enhanced strength and superior performance in demanding 2-stroke applications. Precision manufactured in Germany, this kit is designed to optimize heat transfer from the combustion chamber to the cylinder walls, contributing to improved engine efficiency and longevity. The advanced elliptical design ensures a uniform bearing surface, even under extreme heat expansion. This feature minimizes localized pressure points and distributes thrust loads evenly, effectively preventing piston collapse and ensuring reliable operation.\n\n### Key Features\n\n\t\n- Forged construction for exceptional durability and strength.\n\t\n- Optimized heat transfer properties for improved engine performance.\n\t\n- Elliptical piston design prevents localized pressure and guards against piston collapse.\n\t\n- Specifically designed for 2-stroke engine applications.\n\n### Specifications\n\n\t\n- Bore: 53.95 mm\n\t\n- Piston Size: 54.00 mm\n\t\n- Displacement: 125 cm&sup3;\n\t\n- Stroke: 54.50 mm\n\t\n- Clearance: 0.05 mm\n\t\n- Compression Height: 29.00 mm","weightGrams":null,"fitments":[{"make":"APRILIA","model":"RS 125","cc":null,"notes":null,"years":"1985–2012"}],"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-aprilia-rs125-a-forged-wossner-kit-8027da","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/fe6451350e06:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/fe6451350e06:1"}},"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."]}}