{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"624506179533","name":"PISTON KIT 85-86 RM125 55.00, WOSSNER 8123D100 SUZUKI MX","sku":"56-W519+100.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":125.4,"formatted":"£125.40"},"summary":"Wossner forged piston kit featuring a 55.00mm bore with a +1.00 oversize specification. The piston incorporates an elliptical design that promotes even distribution of thrust loads during thermal expansion, reducing the risk of localised pressure and piston collapse while supporting efficient heat transfer from the combustion chamber to the cylinder wall. Made in Germany. Includes piston, pin, locks, and ring set. Specifications: Bore Size 55.00mm, Actual Bore 54.94mm, Stroke 54.00mm, Clearance 0.06mm, Compression Ratio (Wossner and OEM) 2-stroke, Compression Height 29.50mm, Displacement 123 cm&sup3;. Wossner Piston PN: 8123D100.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"55mm"},{"label":"Variant Id","value":"256667"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W519_2B100_2EWO/21da9e6fcf272e92.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W519_2B100_2EWO/21da9e6fcf272e92.jpg"],"description":"Wossner forged piston kit featuring a 55.00mm bore with a +1.00 oversize specification. The piston incorporates an elliptical design that promotes even distribution of thrust loads during thermal expansion, reducing the risk of localised pressure and piston collapse while supporting efficient heat transfer from the combustion chamber to the cylinder wall. Made in Germany. Includes piston, pin, locks, and ring set. Specifications: Bore Size 55.00mm, Actual Bore 54.94mm, Stroke 54.00mm, Clearance 0.06mm, Compression Ratio (Wossner and OEM) 2-stroke, Compression Height 29.50mm, Displacement 123 cm&sup3;. Wossner Piston PN: 8123D100.","descriptionMarkdown":"### Wossner 55.00mm Oversize Piston Kit for Suzuki RM125 (1985-1986)\n\nUpgrade your Suzuki RM125's performance with this Wossner forged piston kit. Engineered for durability and optimal function, this kit features a 55.00mm bore with a +1.00mm oversize specification. Its innovative elliptical design, manufactured in Germany, promotes even distribution of thrust loads during thermal expansion. This intelligent design minimizes the risk of localized pressure and piston collapse while enhancing heat transfer from the combustion chamber to the cylinder walls for improved efficiency.\n\n**Key Features:**\n\n \n- Forged piston construction for superior durability.\n \n- Elliptical piston design ensures a uniform bearing surface during heat expansion.\n \n- Facilitates efficient heat transfer from the combustion chamber to the cylinder walls.\n \n- Proudly made in Germany.\n \n- Complete kit includes piston, pin, locks, and ring set.\n\n**Specifications:**\n\n \n- Bore Size: 55.00mm\n \n- Actual Bore: 54.94mm\n \n- Stroke: 54.00mm\n \n- Clearance: 0.06mm\n \n- Compression Ratio: 2-stroke (Wossner and OEM)\n \n- Compression Height: 29.50mm\n \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-rm125-5500-wossner-8123d100-suzuki-mx","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/624506179533:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/624506179533:1"}},"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."]}}