{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ed05f80fefd7","name":"YAMAHA YZ 125 2002-2004 GRADE A 53.93mm SINGLE RING PISTON","sku":"V.2806A","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":178.12,"formatted":"£178.12"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon content, depending on the application. Pistons are produced using gravity cast or hydraulic forging, with material structure refined via heat treatment in an automatic HT implant using hot water solubilization. Machining is completed using CNC machines and diamond tools to achieve specific surface finishes. Every Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with Molybdenum Bisulphite for break-in and reduced friction. A new Phosphate Coating is also available, offering increased hardness, light surface porosity, and superior adhesion for the Molybdenum Coating, doubling its durability. This piston is Grade A and has a 53.93mm bore with a single ring.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-125-2002-2004-grade-a-53.93mm-single-ring-piston-1615-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-125-2002-2004-grade-a-53.93mm-single-ring-piston-1615-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 using gravity cast or hydraulic forging, with material structure refined via heat treatment in an automatic HT implant using hot water solubilization. Machining is completed using CNC machines and diamond tools to achieve specific surface finishes. Every Vertex piston undergoes rigorous manual and automatic quality control. Vertex pistons are coated with Molybdenum Bisulphite for break-in and reduced friction. A new Phosphate Coating is also available, offering increased hardness, light surface porosity, and superior adhesion for the Molybdenum Coating, doubling its durability. This piston is Grade A and has a 53.93mm bore with a single ring.","descriptionMarkdown":"### Vertex Grade A 53.93mm Single Ring Piston\n\nThe Vertex Grade A single ring piston is precision engineered to meet the demanding requirements of high performance engines. Manufactured using advanced low expansion silicon aluminum alloys, this piston provides exceptional durability and structural integrity under extreme operating conditions. Each piston undergoes a sophisticated heat treatment process, including solubilization and hot water quenching, to refine the material structure for maximum strength.\n\nEvery Vertex piston is crafted using cutting edge CNC machining and diamond tooling, ensuring precise dimensions and specific surface finishes tailored to the engine application. To guarantee reliability, each unit undergoes a comprehensive manual and automatic quality control inspection.\n\n### Key Features\n\n \n- Advanced Alloy Composition: Constructed from exotic low expansion aluminum alloys charged with silicon for superior thermal resistance.\n \n- Molybdenum Bisulphite Coating: Features a specialized black coating that aids in the break-in process and significantly reduces friction within the cylinder.\n \n- Enhanced Phosphate Coating: Utilizes a state of the art phosphate treatment that increases surface hardness and provides light porosity. This improves the adhesion of the Molybdenum coating, doubling its overall durability.\n \n- Precision Engineering: Manufactured through gravity casting or hydraulic forging processes to ensure consistent material density and performance.\n \n- Optimized Design: Designed as a high quality single ring configuration for improved sealing and engine efficiency.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yz-125-2002-2004-grade-a-5393mm-single-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ed05f80fefd7:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ed05f80fefd7:1"}},"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."]}}