{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"fa04bfb04d3b","name":"PISTON KIT 92-98 RGV250 57.001-RING, FORGED WOSSNER 8039D100","sku":"56-W255_100.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":115.32,"formatted":"£115.32"},"summary":"Wossner forged piston kit with a 57.00mm bore and 56.95mm diameter. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features include forged construction for superior strength, optimized heat transfer for efficient combustion, and an elliptical design for uniform load distribution. Specifications: Bore 57.00mm, Diameter 56.95mm, Display (cm³) 249, Stroke (mm) 50.60, Clearance (mm) 0.05, Compression Height (mm) 28.50. Includes Ring Set P/N: RSB5700, Lock P/N: CW18, Pin P/N: WP033.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"255250"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54196_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54196_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54196_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54196_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54196_4.jpg"],"description":"Wossner forged piston kit with a 57.00mm bore and 56.95mm diameter. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features include forged construction for superior strength, optimized heat transfer for efficient combustion, and an elliptical design for uniform load distribution. Specifications: Bore 57.00mm, Diameter 56.95mm, Display (cm³) 249, Stroke (mm) 50.60, Clearance (mm) 0.05, Compression Height (mm) 28.50. Includes Ring Set P/N: RSB5700, Lock P/N: CW18, Pin P/N: WP033.","descriptionMarkdown":"### Wossner Forged Piston Kit - 57.00mm Bore\n\nUpgrade your motorcycle's performance with this Wossner forged piston kit. Engineered for superior strength and durability, this piston is designed to optimize heat transfer and ensure uniform bearing surfaces under extreme conditions. The advanced elliptical design minimizes localized pressure and evenly distributes thrust loads, preventing piston collapse and promoting longevity.\n\n**Key Features:**\n\n\t\n- Forged Construction: Provides exceptional strength and resistance to high temperatures and pressures.\n\t\n- Optimized Heat Transfer: Enhances combustion efficiency by directing heat effectively to cylinder walls.\n\t\n- Elliptical Design: Ensures a uniform bearing surface during heat expansion for reduced wear and consistent performance.\n\t\n- Even Load Distribution: Prevents localized stress and piston collapse by distributing thrust loads evenly.\n\t\n- German Engineering: Manufactured in Germany to exacting standards for quality and reliability.\n\n**Specifications:**\n\n\t\n- Bore Size: 57.00mm\n\t\n- Piston Diameter: 56.95mm\n\t\n- Displacement (cm³): 249\n\t\n- Stroke (mm): 50.60\n\t\n- Clearance (mm): 0.05\n\t\n- Compression Height (mm): 28.50\n\t\n- Wossner Compression Ratio: 2-Stroke\n\t\n- OEM Compression Ratio: 2-Stroke","weightGrams":null,"fitments":[],"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-92-98-rgv250-57001-ring-forged-wossner-8039d100","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/fa04bfb04d3b:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/fa04bfb04d3b: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."]}}