{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"bc36d0e9c936","name":"PISTON KIT 1987 CR125 55.50, WOSSNER 8126D150 HONDA MX","sku":"56-W553+P6.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":135.7,"formatted":"£135.70"},"summary":"This Wossner piston kit has a 55.50mm bore size (55.44mm actual) and is designed for high strength and efficient thermal management. It is forged in Germany with an elliptical design to ensure uniform thrust load distribution under heat expansion, which helps to eliminate localised stress and reduce the risk of piston collapse. Features include forged construction for enhanced structural durability, an elliptical profile for even load distribution during thermal expansion, and optimisation for efficient heat transfer from the combustion chamber to cylinder walls. Specifications include a bore size of 55.50mm (55.44mm), display of 124 cm³, stroke of 54.00 mm, clearance of 0.06 mm, compression height of 28.00 mm, and a 2-stroke compression ratio (Wossner and OEM). Cross-reference OEM part numbers include Piston Kit 8126D150, Lock CW14, Pin WP025, Ring Set RSB5550, and Part No. 56-W553+P6.WO. The weight is 182 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"55.5mm"},{"label":"Variant Id","value":"256765"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55711_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55711_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55711_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55711_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55711_4.jpg"],"description":"This Wossner piston kit has a 55.50mm bore size (55.44mm actual) and is designed for high strength and efficient thermal management. It is forged in Germany with an elliptical design to ensure uniform thrust load distribution under heat expansion, which helps to eliminate localised stress and reduce the risk of piston collapse. Features include forged construction for enhanced structural durability, an elliptical profile for even load distribution during thermal expansion, and optimisation for efficient heat transfer from the combustion chamber to cylinder walls. Specifications include a bore size of 55.50mm (55.44mm), display of 124 cm³, stroke of 54.00 mm, clearance of 0.06 mm, compression height of 28.00 mm, and a 2-stroke compression ratio (Wossner and OEM). Cross-reference OEM part numbers include Piston Kit 8126D150, Lock CW14, Pin WP025, Ring Set RSB5550, and Part No. 56-W553+P6.WO. The weight is 182 grams.","descriptionMarkdown":"### Wossner 55.50mm Piston Kit for 1987 Honda CR125\n\nUpgrade your 1987 Honda CR125 with this high-performance Wossner piston kit. Engineered in Germany, this piston features a 55.50mm bore size (actual 55.44mm) and is constructed from forged aluminum for exceptional strength and durability. Its advanced elliptical design ensures optimal thrust load distribution, effectively managing heat expansion to prevent localized stress and potential piston collapse. This design also promotes efficient heat transfer, contributing to optimal engine performance.\n\n**Key Features:**\n\n \n- Forged aluminum construction for superior strength and longevity.\n \n- Elliptical piston profile for even load distribution under thermal stress.\n \n- Designed for efficient heat dissipation.\n \n- Precision manufactured in Germany.\n\n**Specifications:**\n\n \n- Bore Size: 55.50mm (55.44mm)\n \n- Displacement: 124 cm&sup3;\n \n- Stroke: 54.00 mm\n \n- Clearance: 0.06 mm\n \n- Compression Height: 28.00 mm\n \n- Compression Ratio: 2-stroke (compatible with Wossner and OEM specifications)","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-1987-cr125-5550-wossner-8126d150-honda-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/bc36d0e9c936:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/bc36d0e9c936:1"}},"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."]}}