{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"44b2be456b10","name":"PISTON KIT 10-13 CRF250 76.80, 8775DC WOSSNER HONDA","sku":"56-W950.C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":182.86,"formatted":"£182.86"},"summary":"This Wossner forged piston kit features a 76.82mm bore size (76.78mm actual) and a two-ring configuration. It has an elliptical design for even thrust load distribution, enhancing performance. Manufactured in Germany, this piston offers high thermal efficiency and structural integrity. Specifications include a 249 cm³ displacement, 53.80 mm stroke, 0.04 mm clearance, 14.20:1 compression ratio (Wossner), 13.20:1 compression ratio (OEM), +0.10 cm³ dome volume, 29.00 mm compression height, and a theoretical weight of 19.50 g. Lock part number is CW16, pin part number is WP070, and ring set part number is 768XAS.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"76.80mm"},{"label":"Variant Id","value":"258336"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57282_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57282_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57282_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57282_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57282_4.jpg"],"description":"This Wossner forged piston kit features a 76.82mm bore size (76.78mm actual) and a two-ring configuration. It has an elliptical design for even thrust load distribution, enhancing performance. Manufactured in Germany, this piston offers high thermal efficiency and structural integrity. Specifications include a 249 cm³ displacement, 53.80 mm stroke, 0.04 mm clearance, 14.20:1 compression ratio (Wossner), 13.20:1 compression ratio (OEM), +0.10 cm³ dome volume, 29.00 mm compression height, and a theoretical weight of 19.50 g. Lock part number is CW16, pin part number is WP070, and ring set part number is 768XAS.","descriptionMarkdown":"### Wossner Forged Piston Kit for Honda CRF250R\n\nEnhance the performance and reliability of your Honda CRF250R with this premium forged piston kit from Wossner. Engineered for precision and durability, this kit is designed to meet the demands of high-performance riding.\n\n#### Key Features\n\n\t\n- Forged Construction: Utilizes a robust forged design for superior strength and longevity compared to cast pistons.\n\t\n- Two-Ring Configuration: Features a two-ring setup designed for optimal sealing and reduced friction, contributing to efficient power delivery.\n\t\n- Elliptical Design: The piston's elliptical shape ensures even thrust load distribution, effectively reducing localized stress and wear, particularly under high temperatures.\n\t\n- Optimized Heat Transfer: Engineered to promote efficient heat transfer from the combustion chamber to the cylinder walls, aiding in temperature management and performance consistency.\n\t\n- German Engineering: Manufactured in Germany, ensuring high standards of quality and precision in every component.\n\t\n- Increased Compression Ratio: Offers a higher compression ratio (14.20:1) compared to OEM (13.20:1), potentially increasing power output.\n\n#### Specifications\n\n\t\n- Bore Size: 76.82mm (actual measurement 76.78mm)\n\t\n- Piston Type: Forged\n\t\n- Ring Setup: Two-ring\n\t\n- Stroke: 53.80 mm\n\t\n- Piston Clearance: 0.04 mm\n\t\n- Compression Ratio (Wossner): 14.20:1\n\t\n- Compression Ratio (OEM): 13.20:1\n\t\n- Dome Volume: +0.10 cm&sup3;\n\t\n- Compression Height: 29.00 mm\n\t\n- Theoretical Weight: 19.50 g\n\t\n- Lock Part Number: CW16\n\t\n- Pin Part Number: WP070\n\t\n- Ring Set Part Number: 768XAS","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF 250","cc":null,"notes":null,"years":"2010–2013"},{"make":"HONDA","model":"CRF 250R","cc":null,"notes":null,"years":"2010–2013"}],"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-10-13-crf250-7680-8775dc-wossner-honda","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/44b2be456b10:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/44b2be456b10:1"}},"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."]}}