{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"594c084bdf81","name":"YAMAHA YZ 125 2022 +2.00mm OVERSIZE 55.95mm SINGLE RING PISTON","sku":"V.4570.200","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":186.22,"formatted":"£186.22"},"summary":"Vertex pistons are manufactured using Low-Ex aluminum alloys with 12%, 18%, or 21% silicon content depending on the application. Pistons are produced using gravity casting or hydraulic forging, followed by heat treatment in an automatic HT implant with hot water quenching. Machining is done using CNC machines and diamond tools for specific surface finishes. Every piston undergoes rigorous manual and automatic quality control. Vertex pistons feature a special Molybdenum Bisulphite black coating for break-in and reduced friction. A new Phosphate Coating, similar to Formula One engine developments, offers increased hardness, light surface porosity, and superior adhesion for the Molybdenum Coating, doubling its durability. This piston is +2.00mm oversize with a 55.95mm diameter and includes a single ring.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-85-2019-2020-grade-d-47.47mm-10608-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-85-2019-2020-grade-d-47.47mm-10608-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminum alloys with 12%, 18%, or 21% silicon content depending on the application. Pistons are produced using gravity casting or hydraulic forging, followed by heat treatment in an automatic HT implant with hot water quenching. Machining is done using CNC machines and diamond tools for specific surface finishes. Every piston undergoes rigorous manual and automatic quality control. Vertex pistons feature a special Molybdenum Bisulphite black coating for break-in and reduced friction. A new Phosphate Coating, similar to Formula One engine developments, offers increased hardness, light surface porosity, and superior adhesion for the Molybdenum Coating, doubling its durability. This piston is +2.00mm oversize with a 55.95mm diameter and includes a single ring.","descriptionMarkdown":"### Vertex +2.00mm Oversize Single Ring Piston\n\nEnhance the performance and longevity of your engine with this high-quality Vertex +2.00mm oversize piston. Engineered for precision and reliability, this component is designed to restore compression and ensure optimal combustion efficiency for your motorcycle engine.\n\nVertex pistons are crafted using specialized Low-Ex (low expansion) aluminum alloys with precise silicon charging, ensuring stability under extreme thermal conditions. Whether produced via gravity casting or hydraulic forging, these pistons undergo a sophisticated heat treatment process in automated implants to refine the material structure and maximize durability.\n\n### Key Features\n\n \n- Precision Engineering: Machined using state-of-the-art CNC technology and diamond tooling for exact surface finishes and tolerances.\n \n- Advanced Coating Technology: Features a Molybdenum Bisulphite black coating to reduce friction during operation and assist during the break-in process.\n \n- Phosphate Treatment: Includes a high-durability phosphate coating that increases surface hardness and improves the adhesion of the Molybdenum finish, extending the life of the piston.\n \n- Quality Assurance: Every piston undergoes rigorous manual and automatic quality control inspections to meet the highest performance standards.\n \n- Performance Focused: Designed to provide a perfect balance of strength, lightweight construction, and consistent power delivery.\n\nThis 55.95mm diameter piston is the ideal choice for engine rebuilds requiring an overbore, offering professional-grade quality that draws on manufacturing techniques used in top-tier motorsport applications.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yz-125-2022-200mm-oversize-5595mm-single-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/594c084bdf81:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/594c084bdf81:1"}},"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."]}}