{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"d3485ac8ec04","name":"PISTON KIT 10-23 RMZ250 77 HC, COMP 14:1 WOSSNER 8795DA 12111-49H00-0F0","sku":"56-W260.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 77.00mm bore and 76.96mm diameter. This high-compression piston is engineered for superior strength and optimized heat transfer. 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 high-compression piston for increased performance, forged construction for superior strength, optimized heat transfer for efficient combustion, elliptical design for uniform load distribution, and manufactured in Germany. Specifications: Bore: 77.00mm, Diameter: 76.96mm, Display (cm&sup3;): 249, Stroke (mm): 53.60, Clearance (mm): 0.06, Wossner Compression Ratio: 14.00:1, OEM Compression Ratio: 13.50:1, Dome Volume (cm&sup3;): -2.10, Compression Height (mm): 19.60. Cross-Reference OEM Part Numbers: Wossner Piston Kit (PN# 8795DA), Lock P/N: CW16, Pin P/N: WP070, Ring Set P/N: 770XAS-2, OEM Reference: 12111-49H00-0F0, 40012M07700.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77mm"},{"label":"Variant Id","value":"255282"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54228_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54228_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54228_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54228_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54228_4.jpg"],"description":"Wossner forged piston kit with a 77.00mm bore and 76.96mm diameter. This high-compression piston is engineered for superior strength and optimized heat transfer. 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 high-compression piston for increased performance, forged construction for superior strength, optimized heat transfer for efficient combustion, elliptical design for uniform load distribution, and manufactured in Germany. Specifications: Bore: 77.00mm, Diameter: 76.96mm, Display (cm&sup3;): 249, Stroke (mm): 53.60, Clearance (mm): 0.06, Wossner Compression Ratio: 14.00:1, OEM Compression Ratio: 13.50:1, Dome Volume (cm&sup3;): -2.10, Compression Height (mm): 19.60. Cross-Reference OEM Part Numbers: Wossner Piston Kit (PN# 8795DA), Lock P/N: CW16, Pin P/N: WP070, Ring Set P/N: 770XAS-2, OEM Reference: 12111-49H00-0F0, 40012M07700.","descriptionMarkdown":"### Wossner Forged High Compression Piston Kit 77.00mm Bore\n\nEnhance the performance of your motorcycle with this Wossner forged piston kit. Engineered for superior strength and optimized heat transfer, this high-compression piston is designed to deliver increased power and efficiency.\n\nThe piston features an innovative elliptical design that creates a uniform bearing surface under heat expansion. This unique geometry helps to reduce localized pressure and evenly distribute thrust loads, effectively preventing piston collapse for long-lasting reliability.\n\nManufactured in Germany, Wossner pistons are built to the highest standards for exceptional quality and performance.\n\n### Key Features:\n\n\t\n- High-compression design for increased engine performance\n\t\n- Forged construction ensures superior strength and durability\n\t\n- Optimized heat transfer for efficient combustion and reduced operating temperatures\n\t\n- Elliptical piston design provides uniform load distribution and prevents collapse\n\t\n- Precision manufactured in Germany\n\n### Specifications:\n\n\t\n- Bore: 77.00mm\n\t\n- Diameter: 76.96mm\n\t\n- Displacement (cm³): 249\n\t\n- Stroke (mm): 53.60\n\t\n- Clearance (mm): 0.06\n\t\n- Wossner Compression Ratio: 14.00:1\n\t\n- OEM Compression Ratio: 13.50:1\n\t\n- Dome Volume (cm³): -2.10\n\t\n- Compression Height (mm): 19.60\n\n### Included Components:\n\n\t\n- Wossner Piston Kit (PN# 8795DA)\n\t\n- Lock P/N: CW16\n\t\n- Pin P/N: WP070\n\t\n- Ring Set P/N: 770XAS-2\n\n### Cross-Reference OEM Part Numbers:\n\n\t\n- 12111-49H00-0F0\n\t\n- 40012M07700","weightGrams":null,"fitments":[{"make":"SUZUKI","model":"RM-Z 250","cc":null,"notes":null,"years":"2010–2020"}],"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-10-23-rmz250-77-hc-comp-141-wossner-8795da-12111-49h00-0f0","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/d3485ac8ec04:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/d3485ac8ec04:1"}},"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."]}}