{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ded36d672505","name":"PISTON KIT Aprilia RS125 0.25, FORGED WOSSNER KIT 8027D025","sku":"56-W046_0.25.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":115.06,"formatted":"£115.06"},"summary":"Wossner forged piston kit with a 54.25mm bore size (54.20mm actual). Features a forged construction for superior strength and reliability. Engineered for optimal combustion chamber heat transfer with an elliptical design to ensure uniform bearing surface contact, reducing localized pressure and evenly distributing thrust loads. Manufactured in Germany. Includes piston, rings (RSB5425), clips (CW15), and pin (WP032). Specifications: Displacement 125 cm&sup3;, Bore 54.25mm (actual 54.20mm), Stroke 54.50mm, Clearance 0.05mm, Compression Height 29.00mm.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"254394"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock53337_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock53337_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock53337_2.jpg"],"description":"Wossner forged piston kit with a 54.25mm bore size (54.20mm actual). Features a forged construction for superior strength and reliability. Engineered for optimal combustion chamber heat transfer with an elliptical design to ensure uniform bearing surface contact, reducing localized pressure and evenly distributing thrust loads. Manufactured in Germany. Includes piston, rings (RSB5425), clips (CW15), and pin (WP032). Specifications: Displacement 125 cm&sup3;, Bore 54.25mm (actual 54.20mm), Stroke 54.50mm, Clearance 0.05mm, Compression Height 29.00mm.","descriptionMarkdown":"### Wossner Forged Piston Kit for High-Performance Applications\n\nThis Wossner forged piston kit is engineered for demanding, high-performance motorcycle engines. Crafted in Germany, it prioritizes superior strength, durability, and optimal engine operation. The piston's innovative elliptical design and focus on heat transfer contribute to increased reliability and efficiency.\n\n#### Key Features:\n\n\t\n- Forged Construction: Provides exceptional strength and resistance to extreme operating conditions, ensuring longevity and reliability.\n\t\n- Optimized Heat Transfer: Designed to efficiently transfer combustion chamber heat to the cylinder walls, promoting stable operating temperatures.\n\t\n- Elliptical Piston Design: This unique shape prevents localized pressure points and piston collapse, leading to uniform bearing surface contact and even distribution of thrust loads.\n\t\n- Complete Kit: Includes all necessary components for a full piston replacement: piston, high-quality rings (RSB5425), retaining clips (CW15), and a performance pin (WP032).\n\n#### Specifications:\n\n\t\n- Bore Size: 54.25mm (actual bore measurement 54.20mm)\n\t\n- Engine Displacement: 125 cm&sup3;\n\t\n- Stroke: 54.50mm\n\t\n- Piston Clearance: 0.05mm\n\t\n- Compression Height: 29.00mm\n\t\n- Compression Ratio: 2-stroke (Wossner and OEM specifications)\n\t\n- Manufacturing Origin: Germany","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-aprilia-rs125-025-forged-wossner-kit-8027d025","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ded36d672505:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ded36d672505:1"}},"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."]}}