{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"94fde7142216","name":"PISTON KIT Aprilia RS125 B, FORGED WOSSNER KIT 8027DB","sku":"56-W046.B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":115.06,"formatted":"£115.06"},"summary":"Wossner forged piston kit for 2-stroke engines. Engineered for optimal heat transfer and uniform bearing surface under heat expansion, this elliptical design prevents localized pressure and distributes thrust loads evenly. Manufactured in Germany. Features forged construction, optimized heat transfer, and an elliptical design to prevent piston collapse. Specifications include a bore of 53.96 mm, piston size of 54.01 mm, stroke of 54.50 mm, clearance of 0.05 mm, and a compression height of 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":"254390"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W046_2EB_2EWO/4c883039820a46e6.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W046_2EB_2EWO/4c883039820a46e6.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W046_2EB_2EWO/a94be8caf6dcdb73.jpg"],"description":"Wossner forged piston kit for 2-stroke engines. Engineered for optimal heat transfer and uniform bearing surface under heat expansion, this elliptical design prevents localized pressure and distributes thrust loads evenly. Manufactured in Germany. Features forged construction, optimized heat transfer, and an elliptical design to prevent piston collapse. Specifications include a bore of 53.96 mm, piston size of 54.01 mm, stroke of 54.50 mm, clearance of 0.05 mm, and a compression height of 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\nEnhance the strength and performance of your 2-stroke engine with this premium Wossner forged piston kit. Engineered in Germany, this piston is designed for optimal heat transfer from the combustion chamber to the cylinder walls, promoting efficient cooling and consistent operation. Its unique elliptical design ensures a uniform bearing surface even under the stress of heat expansion. This intelligent design minimizes localized pressure and evenly distributes thrust loads, effectively preventing piston collapse and ensuring longevity.\n\n#### Key Features:\n\n\t\n- Forged Construction: Offers superior durability and strength compared to cast pistons.\n\t\n- Optimized Heat Transfer: Promotes efficient cooling for improved engine performance.\n\t\n- Elliptical Piston Design: Prevents localized pressure and piston collapse by distributing thrust loads evenly.\n\t\n- 2-Stroke Application Specific: Designed to meet the demands of 2-stroke engine operation.\n\n#### Specifications:\n\n\t\n- Piston Bore: 53.96 mm\n\t\n- Piston Size: 54.01 mm\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-b-forged-wossner-kit-8027db","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/94fde7142216:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/94fde7142216:1"}},"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."]}}