{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"d406aab0a2d5","name":"PISTON KIT Aprilia RS125 A, FORGED WOSSNER KIT 8253DA, SINGLE RING","sku":"56-W9913.00A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":115.32,"formatted":"£115.32"},"summary":"Wossner forged piston kit for Aprilia RS125 2-stroke engines. Features a standard 54.00mm bore with a 53.95mm piston diameter and a single-ring configuration. The elliptical design ensures uniform expansion and optimal thrust load distribution, preventing localized pressure and piston collapse. Made in Germany. Specifications include: Part No: 56-W9913.00A.WO, Model: Wossner 8253DA, Displacement: 125cm³, Stroke: 54.50mm, Clearance: 0.05mm, Compression height: 29.00mm, Compression ratio: 2-stroke (OEM and Wossner), Piston clips: CW15, Piston pin: WP032, Piston ring set: RSB5400.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"125.00mm"},{"label":"Variant Id","value":"259159"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock58105_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock58105_1.jpg"],"description":"Wossner forged piston kit for Aprilia RS125 2-stroke engines. Features a standard 54.00mm bore with a 53.95mm piston diameter and a single-ring configuration. The elliptical design ensures uniform expansion and optimal thrust load distribution, preventing localized pressure and piston collapse. Made in Germany. Specifications include: Part No: 56-W9913.00A.WO, Model: Wossner 8253DA, Displacement: 125cm³, Stroke: 54.50mm, Clearance: 0.05mm, Compression height: 29.00mm, Compression ratio: 2-stroke (OEM and Wossner), Piston clips: CW15, Piston pin: WP032, Piston ring set: RSB5400.","descriptionMarkdown":"### Wossner Forged Piston Kit Single Ring for Aprilia RS125\n\nUpgrade your Aprilia RS125 with this high-performance Wossner forged piston kit. Engineered for durability and optimal engine function, this single-ring piston is crafted with precision in Germany. Its advanced elliptical design ensures even thermal expansion and superior load distribution, preventing localized pressure and potential piston collapse for consistent performance.\n\n#### Key Features:\n\n\t\n- Forged piston kit with a single ring design\n\t\n- Standard 54.00mm bore size\n\t\n- Piston diameter of 53.95mm\n\t\n- Elliptical piston shape for improved thermal expansion and thrust load distribution\n\t\n- Designed to prevent localized pressure points and piston collapse\n\t\n- Precision manufactured in Germany\n\t\n- Suitable for 2-stroke engine applications\n\t\n- Includes piston clips (CW15), piston pin (WP032), and piston ring set (RSB5400)\n\n#### Specifications:\n\n\t\n- Part Number: \n\t\n- Model: Wossner 8253DA\n\t\n- Engine Type: 2-stroke\n\t\n- Displacement: 125cm³\n\t\n- Stroke: 54.50mm\n\t\n- Clearance: 0.05mm\n\t\n- Compression Height: 29.00mm\n\t\n- Compression Ratio: 2-stroke (OEM and Wossner compatible)","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-a-forged-wossner-kit-8253da-single-ring","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/d406aab0a2d5:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/d406aab0a2d5:1"}},"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."]}}