{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"a3f3aba3c98d","name":"KTM SX / EXC 125 1998-2000 GRADE C 54.21mm","sku":"V.2532C","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":170.02,"formatted":"£170.02"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon. They are made using gravity cast or hydraulic forging processes and refined with a heat treatment process. Machining is completed using CNC machines and diamond tools to achieve specific surface finishes. Each piston undergoes manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new Phosphate Coating is also available, offering increased hardness and superior adhesion qualities for enhanced durability. This piston is Grade C and measures 54.21mm.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-exc-125-1998-2000-grade-c-54.21mm-1730-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-exc-125-1998-2000-grade-c-54.21mm-1730-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon. They are made using gravity cast or hydraulic forging processes and refined with a heat treatment process. Machining is completed using CNC machines and diamond tools to achieve specific surface finishes. Each piston undergoes manual and automatic quality control. Vertex pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new Phosphate Coating is also available, offering increased hardness and superior adhesion qualities for enhanced durability. This piston is Grade C and measures 54.21mm.","descriptionMarkdown":"### Vertex Performance Piston - Grade C 54.21mm\n\nUpgrade your engine performance with this precision-engineered Vertex piston. Designed for riders who demand reliability and power, Vertex pistons are crafted using advanced aluminium alloys and high-tech manufacturing processes to ensure optimal engine function and longevity.\n\n### Key Features\n\n \n- Advanced Alloy Composition: Manufactured using Low-Ex (low expansion) Silicon-charged aluminium alloys for superior thermal stability and durability.\n \n- Precision Manufacturing: Produced via gravity casting or hydraulic forging, followed by a cutting-edge heat treatment process to refine the material structure.\n \n- CNC Machined: Every piston is finished using state-of-the-art CNC machinery and diamond tooling to achieve exact specifications and surface finishes.\n \n- Advanced Coatings: Features a Molybdenum Bisulphite black coating to reduce friction and assist with the break-in process.\n \n- Phosphate Coating: Incorporates a phosphate coating that provides increased hardness and creates surface porosity for superior adhesion of the Molybdenum coating, significantly extending component life.\n \n- Strict Quality Control: Each piston undergoes rigorous manual and automatic inspection to guarantee that only the highest quality components reach your engine.\n\nThis Grade C piston, measured at 54.21mm, is the ideal choice for riders looking to restore their engine to factory performance standards or seeking a reliable upgrade for demanding riding conditions.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/ktm-sx-exc-125-1998-2000-grade-c-5421mm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/a3f3aba3c98d:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/a3f3aba3c98d: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."]}}