{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"6859df16dd19","name":"KTM SX / EXC 125 1998-2000 GRADE A 54.19mm","sku":"V.2532A","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, depending on the application. They are produced via gravity cast or hydraulic forging, followed by a heat treatment process using an automatic HT implant with solubilization by quench in hot water. Machining is performed using the latest CNC machines, software, and diamond tools, allowing for specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. Pistons are coated with a special Molybdenum Bisulphite black coating to aid break-in and reduce friction. A newer Phosphate Coating, developed following Formula One engine advancements, offers increased hardness, light surface porosity, and superior adhesion for enhanced coating durability. This piston is 54.19mm in size.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-exc-125-1998-2000-grade-a-54.19mm-1728-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/ktm-sx-exc-125-1998-2000-grade-a-54.19mm-1728-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 via gravity cast or hydraulic forging, followed by a heat treatment process using an automatic HT implant with solubilization by quench in hot water. Machining is performed using the latest CNC machines, software, and diamond tools, allowing for specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. Pistons are coated with a special Molybdenum Bisulphite black coating to aid break-in and reduce friction. A newer Phosphate Coating, developed following Formula One engine advancements, offers increased hardness, light surface porosity, and superior adhesion for enhanced coating durability. This piston is 54.19mm in size.","descriptionMarkdown":"### Vertex Grade A High Performance Piston 54.19mm\n\nThe Vertex Grade A piston is engineered for riders who demand precision, durability, and peak engine performance. Crafted using advanced metallurgy and state of the art manufacturing processes, this piston is designed to meet the rigorous demands of high performance engines.\n\nVertex utilizes proprietary Low Expansion (Low-Ex) silicon charged aluminium alloys, ranging from 12% to 21% silicon content depending on the application. Each piston undergoes a refined gravity cast or hydraulic forging process, followed by a cutting edge heat treatment in an automatic implant to ensure superior material structural integrity.\n\n### Key Features and Engineering\n\n \n- Precision Machining: Every piston is finished using the latest CNC technology and diamond tipped tools to ensure exact tolerances and specific surface finishes tailored to your engine.\n \n- Advanced Surface Coatings: Features a specialized Molybdenum Bisulphite black coating that significantly reduces friction and aids in a smoother break in process.\n \n- Phosphate Coating Technology: Inspired by Formula One engine developments, the new phosphate coating provides increased hardness and surface porosity. This allows for superior adhesion of the Molybdenum coating, doubling its overall durability.\n \n- Rigorous Quality Control: Every unit undergoes strict manual and automatic inspections to guarantee that only the highest quality components reach your engine.\n\nThis 54.19mm Grade A piston offers an ideal balance of weight and strength, making it an excellent choice for engine rebuilds where reliability and power delivery are the top priorities.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/ktm-sx-exc-125-1998-2000-grade-a-5419mm","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/6859df16dd19:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/6859df16dd19:1"}},"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."]}}