{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"5c5339c79235","name":"PISTON KIT 2010 KX250F 77mm A, WOSSNER 8777DA KAWASAKI MX 13001-0115","sku":"56-W953.A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":182.86,"formatted":"£182.86"},"summary":"Wossner forged piston kit with a 77mm bore size (76.96mm actual). This two-ring piston features an elliptical profile for even pressure distribution and efficient heat transfer. Manufactured in Germany. Specifications include a 250 cm&sup3; displacement, 53.60 mm stroke, 0.04 mm clearance, and an OEM compression ratio of 13.20:1. Dome volume is -2.50 cm&sup3;, compression height is 19.60 mm. Lock part number: CW16. Pin part number: WP070. Ring set part number: 770XAS-2. Cross-references OEM part number 13001-0115. Weight: 224g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77.00mm"},{"label":"Variant Id","value":"258370"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57316_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57316_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57316_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57316_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57316_4.jpg"],"description":"Wossner forged piston kit with a 77mm bore size (76.96mm actual). This two-ring piston features an elliptical profile for even pressure distribution and efficient heat transfer. Manufactured in Germany. Specifications include a 250 cm&sup3; displacement, 53.60 mm stroke, 0.04 mm clearance, and an OEM compression ratio of 13.20:1. Dome volume is -2.50 cm&sup3;, compression height is 19.60 mm. Lock part number: CW16. Pin part number: WP070. Ring set part number: 770XAS-2. Cross-references OEM part number 13001-0115. Weight: 224g.","descriptionMarkdown":"### Wossner Forged Piston Kit 77mm\n\nUpgrade your motorcycle's performance and durability with this Wossner forged piston kit. Precision-engineered in Germany, this kit features a 77mm bore size (76.96mm actual) and a two-ring design for robust performance. Its innovative elliptical profile ensures even pressure distribution during heat expansion, enhancing reliability under high-stress conditions.\n\n**Key Features:**\n\n \n- Forged piston construction for superior strength and longevity.\n \n- Two-ring configuration for optimal sealing and performance.\n \n- Elliptical shape designed for uniform bearing surface under thermal expansion.\n \n- Engineered for efficient heat transfer from the combustion chamber to the cylinder walls.\n \n- Manufactured with German precision and quality.\n\n**Specifications:**\n\n \n- Bore Size: 77mm (actual 76.96mm)\n \n- Displacement: 250 cm&sup3;\n \n- Stroke: 53.60 mm\n \n- Clearance: 0.04 mm\n \n- Compression Ratio (Wossner): OEM\n \n- Compression Ratio (OEM): 13.20:1\n \n- Dome Volume: -2.50 cm&sup3;\n \n- Compression Height: 19.60 mm\n \n- Lock Part Number: CW16\n \n- Pin Part Number: WP070\n \n- Ring Set Part Number: 770XAS-2\n\n**Cross-Reference OEM Part Numbers:**\n\n \n- OEM: 13001-0115\n \n- Wiseco: 40009M\n \n- Vertex: 23566\n \n- ProX: 01.4340\n \n- Wiseco: 40009M07700","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KX 250F","cc":null,"notes":null,"years":"2010"}],"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-2010-kx250f-77mm-a-wossner-8777da-kawasaki-mx-13001-0115","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/5c5339c79235:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/5c5339c79235:1"}},"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."]}}