{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2cadf12ee442","name":"KTM SX / EXC 125 1998-2000 GRADE B 54.20mm","sku":"V.2532B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":170.02,"formatted":"£170.02"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon content depending on the application. Pistons are produced via gravity casting or hydraulic forging, followed by heat treatment in an automatic HT implant with solubilization by quench in hot water. Machining is performed using the latest CNC machines and software with diamond tools, achieving specific surface finishes. Each piston undergoes rigorous manual and automatic quality control. Vertex pistons feature a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new Phosphate Coating is also available, offering increased hardness and surface porosity for superior Molybdenum Coating adhesion and durability. This specific piston is grade B, 54.20mm.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-exc-125-1998-2000-grade-b-54.20mm-1729-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-exc-125-1998-2000-grade-b-54.20mm-1729-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon content depending on the application. Pistons are produced via gravity casting or hydraulic forging, followed by heat treatment in an automatic HT implant with solubilization by quench in hot water. Machining is performed using the latest CNC machines and software with diamond tools, achieving specific surface finishes. Each piston undergoes rigorous manual and automatic quality control. Vertex pistons feature a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new Phosphate Coating is also available, offering increased hardness and surface porosity for superior Molybdenum Coating adhesion and durability. This specific piston is grade B, 54.20mm.","descriptionMarkdown":"### Vertex 54.20mm Grade B Piston\n\nEnhance the performance and longevity of your engine with the Vertex 54.20mm Grade B piston. Engineered for precision and reliability, Vertex pistons are manufactured using exotic Low-Ex silicon-charged aluminum alloys to ensure optimal thermal expansion control and structural integrity. Whether you are performing a routine rebuild or a high-performance engine service, this piston provides the durability required for demanding conditions.\n\n### Key Features and Engineering\n\n \n- Advanced Material Composition: Constructed from specialized aluminum alloys with a precise silicon content, refined through a state-of-the-art heat treatment process for superior strength.\n \n- Precision Machining: Produced using advanced CNC technology and diamond-tipped tooling to ensure exact tolerances and optimal surface finishes.\n \n- Enhanced Durability Coating: Features a Molybdenum Bisulphite black coating to reduce internal friction and assist during the initial break-in period.\n \n- Phosphate Coating Technology: Incorporates a phosphate surface treatment that provides a slight increase in hardness and superior adhesion for the Molybdenum coating, significantly extending the service life of the piston.\n \n- Quality Assured: Every piston undergoes rigorous manual and automated quality control inspections to meet the highest performance standards.\n\nVertex remains at the forefront of piston technology by integrating development strategies inspired by Formula One engineering. This commitment to research and high-tech manufacturing makes the Vertex 54.20mm Grade B piston a trusted choice for riders looking to maintain consistent power delivery and engine efficiency.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/ktm-sx-exc-125-1998-2000-grade-b-5420mm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2cadf12ee442:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2cadf12ee442:1"}},"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."]}}