{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"799e210be1e3","name":"PISTON KIT 85-86 RM125 54.50, WOSSNER 8123D050 SUZUKI MX","sku":"56-W519+050.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":121.94,"formatted":"£121.94"},"summary":"Wossner forged piston kit with a 54.50mm bore and +0.50mm oversize specification. Manufactured in Germany, this piston features an elliptical profile designed to create a uniform bearing surface under thermal expansion, reducing localized pressure and the risk of piston collapse while promoting efficient heat transfer. The kit includes piston, pin, locks, and ring set. Specifications include an actual bore of 54.44mm, stroke of 54.00mm, clearance of 0.06mm, 2-stroke compression ratio, compression height of 29.50mm, and displacement of 123 cm&sup3;. Wossner Piston PN: 8123D050, Lock P/N: CW14, Pin P/N: WP025, Ring Set P/N: RSB5450 (x2).","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.5mm"},{"label":"Variant Id","value":"256664"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock55610_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock55610_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55610_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55610_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock55610_4.jpg"],"description":"Wossner forged piston kit with a 54.50mm bore and +0.50mm oversize specification. Manufactured in Germany, this piston features an elliptical profile designed to create a uniform bearing surface under thermal expansion, reducing localized pressure and the risk of piston collapse while promoting efficient heat transfer. The kit includes piston, pin, locks, and ring set. Specifications include an actual bore of 54.44mm, stroke of 54.00mm, clearance of 0.06mm, 2-stroke compression ratio, compression height of 29.50mm, and displacement of 123 cm&sup3;. Wossner Piston PN: 8123D050, Lock P/N: CW14, Pin P/N: WP025, Ring Set P/N: RSB5450 (x2).","descriptionMarkdown":"### Wossner 54.50mm Forged Piston Kit for Suzuki RM125\n\nEnhance the performance and durability of your Suzuki RM125 with this premium forged piston kit from Wossner. Engineered for the 1985 and 1986 model years, this kit features a 54.50mm bore with a +0.50 oversize specification, ensuring a precise fit and optimal power output.\n\n**Key Features:**\n\n\t\n- Forged piston construction for superior strength and longevity.\n\t\n- Elliptical piston design promotes even load distribution and reduces stress during heat expansion, preventing piston collapse.\n\t\n- Optimized for efficient heat transfer from the combustion chamber to the cylinder walls, contributing to better engine cooling.\n\t\n- Manufactured in Germany to exacting standards.\n\t\n- Complete kit includes piston, pin, locks, and ring set.\n\n**Specifications:**\n\n\t\n- Bore Size: 54.50mm\n\t\n- Actual Bore: 54.44mm\n\t\n- Stroke: 54.00mm\n\t\n- Clearance: 0.06mm\n\t\n- Compression Ratio: 2-stroke (Wossner and OEM)\n\t\n- Compression Height: 29.50mm\n\t\n- Displacement: 123 cm&sup3;","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-85-86-rm125-5450-wossner-8123d050-suzuki-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/799e210be1e3:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/799e210be1e3:1"}},"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."]}}