{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ca60cbef89e2","name":"PISTON KIT 06-12 SX-F 250 KTM, FORGED WOSSNER 8645DA 77130007100","sku":"56-W4730+00A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":172.51,"formatted":"£172.51"},"summary":"Wossner forged piston kit designed for high-performance applications, providing superior strength and optimized heat transfer. The elliptical design ensures uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany for durability and precision. Features include a forged piston for enhanced strength and durability, optimized heat transfer to cylinder walls for improved performance, and an elliptical design for uniform bearing surface and even thrust load distribution. Manufactured in Germany. Specifications: Bore Size 76mm, Actual Bore 75.96mm, Display (cm³) 527, Stroke (mm) 54.80, Clearance (mm) 0.04, Wossner Compression Ratio 12.90:1, OEM Compression Ratio 12.80:1, Dome Volume (cm³) 1.20, Compression Height (mm) 19.50, Theoretical Weight N/A, Lock Part Number CW16, Pin Part Number WP070, Ring Set Part Number 760XAS. Part Number 56-W4730+00A.WO. Cross-Reference OEM Part Numbers: 77130007100, 4981M07600.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"Variant Id","value":"255958"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4730_2B00A_2EWO/4324fb1bd388ea2a.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4730_2B00A_2EWO/4324fb1bd388ea2a.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4730_2B00A_2EWO/c62dd0bc7f937702.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4730_2B00A_2EWO/732937e71847579d.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4730_2B00A_2EWO/b85ca562896925fe.jpg"],"description":"Wossner forged piston kit designed for high-performance applications, providing superior strength and optimized heat transfer. The elliptical design ensures uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany for durability and precision. Features include a forged piston for enhanced strength and durability, optimized heat transfer to cylinder walls for improved performance, and an elliptical design for uniform bearing surface and even thrust load distribution. Manufactured in Germany. Specifications: Bore Size 76mm, Actual Bore 75.96mm, Display (cm³) 527, Stroke (mm) 54.80, Clearance (mm) 0.04, Wossner Compression Ratio 12.90:1, OEM Compression Ratio 12.80:1, Dome Volume (cm³) 1.20, Compression Height (mm) 19.50, Theoretical Weight N/A, Lock Part Number CW16, Pin Part Number WP070, Ring Set Part Number 760XAS. Part Number 56-W4730+00A.WO. Cross-Reference OEM Part Numbers: 77130007100, 4981M07600.","descriptionMarkdown":"### Wossner Forged Piston Kit for High Performance\n\nUpgrade your motorcycle's engine with the Wossner forged piston kit, engineered for superior strength and optimal performance. This high-quality piston is designed to withstand demanding conditions, providing enhanced durability and efficiency for your ride.\n\n#### Key Features:\n\n\t\n- Forged Piston Construction: Offers superior strength and longevity compared to cast pistons.\n\t\n- Optimized Heat Transfer: Designed for efficient heat transfer to cylinder walls, contributing to better engine performance and cooling.\n\t\n- Elliptical Design: Ensures a uniform bearing surface even under heat expansion. This reduces localized pressure and prevents piston collapse, maintaining consistent performance.\n\t\n- Precision Manufacturing: Made in Germany to exacting standards, guaranteeing high quality and reliability.\n\n#### Specifications:\n\n\t\n- Bore Size: 76mm\n\t\n- Actual Bore: 75.96mm\n\t\n- Stroke: 54.80mm\n\t\n- Clearance: 0.04mm\n\t\n- Wossner Compression Ratio: 12.90:1\n\t\n- Dome Volume: 1.20cm&sup3;\n\t\n- Compression Height: 19.50mm\n\t\n- Lock Part Number: CW16\n\t\n- Pin Part Number: WP070\n\t\n- Ring Set Part Number: 760XAS\n\n#### Cross-Reference OEM Part Numbers:\n\n\t\n- 77130007100\n\t\n- 4981M07600","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-06-12-sx-f-250-ktm-forged-wossner-8645da-77130007100","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ca60cbef89e2:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ca60cbef89e2:1"}},"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."]}}