{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"19d024df40fb","name":"KTM SX 50 2001-2008 GRADE E/F 39.48mm","sku":"V.2813E/F","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":6,"price":{"amount":72.82,"formatted":"£72.82"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18%, or 21% silicon, depending on the application. They are produced using gravity casting or hydraulic forging and refined through a high-tech heat treatment process in an automatic HT implant with solubilization by quench in hot water. Machining is performed using the latest CNC machines and diamond tools, achieving specific surface finishes for each application. Every Vertex piston undergoes rigorous manual and automatic quality control. Pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new, all-over Phosphate Coating has been introduced, offering increased hardness, light surface porosity, and superior adhesion qualities for the Molybdenum Coating, extending durability.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-50-2001-2008-grade-e-f-39.48mm-1718-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-50-2001-2008-grade-e-f-39.48mm-1718-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18%, or 21% silicon, depending on the application. They are produced using gravity casting or hydraulic forging and refined through a high-tech heat treatment process in an automatic HT implant with solubilization by quench in hot water. Machining is performed using the latest CNC machines and diamond tools, achieving specific surface finishes for each application. Every Vertex piston undergoes rigorous manual and automatic quality control. Pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new, all-over Phosphate Coating has been introduced, offering increased hardness, light surface porosity, and superior adhesion qualities for the Molybdenum Coating, extending durability.","descriptionMarkdown":"### High-Performance Vertex Replacement Piston\n\nUpgrade your engine reliability with this precision-engineered Vertex piston. Designed for riders who demand consistent performance and durability, this piston is manufactured using advanced Low-Ex (low expansion) silicon-charged aluminium alloys. This specific alloy composition ensures structural integrity and dimensional stability even under intense operating conditions.\n\n### Key Features and Engineering\n\n \n- Advanced Alloy Construction: Built from exotic aluminium alloys with 12%, 18%, or 21% silicon content depending on the application to minimize thermal expansion and increase longevity.\n \n- Precision Manufacturing: Produced using either gravity casting or hydraulic forging, followed by a state-of-the-art heat treatment process for a refined material structure.\n \n- CNC Machined: Every piston is finished using high-tech CNC machining and diamond tools, ensuring exact surface finishes tailored to the requirements of your engine.\n \n- Molybdenum Bisulphite Coating: Features a specialized black coating that assists with the initial break-in period and reduces internal friction during cylinder operation.\n \n- Phosphate Coating Technology: Inspired by Formula One engine developments, the addition of an all-over phosphate coating increases surface hardness and improves the adhesion of the Molybdenum coating, significantly extending its durability.\n \n- Rigorous Quality Control: Each unit undergoes exhaustive manual and automatic inspections to guarantee the highest manufacturing standards are met.\n\nThis 39.48mm piston is designed to provide a perfect balance of strength and weight, making it an ideal choice for restoring engine performance and reliability. By utilizing leading-edge production technology, Vertex delivers a replacement component that stands up to the rigors of competitive and recreational riding.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/ktm-sx-50-2001-2008-grade-ef-3948mm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/19d024df40fb:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/19d024df40fb: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."]}}