{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2dbc2cb91ca8","name":"PISTON KIT Aprilia RS125 B, FORGED WOSSNER KIT 8253DB, SINGLE RING","sku":"56-W9913.00B.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 with a 54.01mm bore and 53.96mm diameter. Features elliptical design for uniform bearing surface during thermal expansion, enhances heat transfer from combustion chamber to cylinder walls, and helps prevent piston collapse by evenly distributing thrust loads. Manufactured in Germany. Specifications: Bore: 54.01mm, Diameter: 53.96mm, Displacement: 125 cm&sup3;, Stroke: 54.50 mm, Clearance: 0.05 mm, Compression Ratio: 2-stroke, Compression Height: 29.00 mm, Ring Type: Single Ring, Clips P/N: CW15, Pin P/N: WP032, Ring Set P/N: RSB5400. Cross-reference OEM Part Numbers: 56-W9913.00B.WO, Wossner Piston 8253DB.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"125.00mm"},{"label":"Variant Id","value":"259160"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock58106_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock58106_1.jpg"],"description":"Wossner forged piston kit with a 54.01mm bore and 53.96mm diameter. Features elliptical design for uniform bearing surface during thermal expansion, enhances heat transfer from combustion chamber to cylinder walls, and helps prevent piston collapse by evenly distributing thrust loads. Manufactured in Germany. Specifications: Bore: 54.01mm, Diameter: 53.96mm, Displacement: 125 cm&sup3;, Stroke: 54.50 mm, Clearance: 0.05 mm, Compression Ratio: 2-stroke, Compression Height: 29.00 mm, Ring Type: Single Ring, Clips P/N: CW15, Pin P/N: WP032, Ring Set P/N: RSB5400. Cross-reference OEM Part Numbers: 56-W9913.00B.WO, Wossner Piston 8253DB.","descriptionMarkdown":"### Wossner Forged Piston Kit for Aprilia RS125\n\nUpgrade your Aprilia RS125's performance with this high-quality Wossner forged piston kit. Engineered in Germany, this piston is designed for durability and optimal power output.\n\n**Key Features:**\n\n \n- Forged construction for exceptional strength and longevity under demanding conditions.\n \n- Elliptical piston design promotes uniform bearing surface distribution, even with thermal expansion.\n \n- Optimized for superior heat transfer from the combustion chamber to the cylinder walls, aiding in temperature management.\n \n- Helps prevent piston collapse by effectively distributing thrust loads across the piston surface.\n \n- Features a single-ring design for reduced friction and enhanced responsiveness.\n \n- Precision manufactured in Germany to exacting standards.\n\n**Specifications:**\n\n \n- Bore Size: 54.01mm\n \n- Piston Diameter: 53.96mm\n \n- Displacement: 125 cm&sup3;\n \n- Stroke: 54.50 mm\n \n- Piston to Cylinder Clearance: 0.05 mm\n \n- Compression Height: 29.00 mm\n \n- Ring Type: Single Ring\n \n- Clip Part Number: CW15\n \n- Pin Part Number: WP032\n \n- Ring Set Part Number: RSB5400\n\n**Manufacturer Part Cross-References:**\n\n \n- Wossner Piston: 8253DB","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-b-forged-wossner-kit-8253db-single-ring","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2dbc2cb91ca8:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2dbc2cb91ca8:1"}},"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."]}}