{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"976b30d37b3f","name":"YAMAHA YZ 125 2022 +0.50mm OVERSIZE 54.45mm SINGLE RING PISTON","sku":"V.4570.050","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 Silicon aluminium alloys with 12%, 18%, or 21% silicon content depending on the application. Pistons are made using gravity cast or hydraulic forging processes, then refined through a high-tech heat treatment in an automatic plant with hot water solubilization. Machining is completed using the latest CNC machines, software, and diamond tools to achieve specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. Pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new, all over, Phosphate Coating is also available, offering increased hardness and light surface porosity for superior Molybdenum Coating adhesion and extended durability. This piston is +0.50mm oversize with a diameter of 54.45mm.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-85-2019-2020-grade-c-47.47mm-10607-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-85-2019-2020-grade-c-47.47mm-10607-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex Silicon aluminium alloys with 12%, 18%, or 21% silicon content depending on the application. Pistons are made using gravity cast or hydraulic forging processes, then refined through a high-tech heat treatment in an automatic plant with hot water solubilization. Machining is completed using the latest CNC machines, software, and diamond tools to achieve specific surface finishes. Each Vertex piston undergoes rigorous manual and automatic quality control. Pistons are coated with a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new, all over, Phosphate Coating is also available, offering increased hardness and light surface porosity for superior Molybdenum Coating adhesion and extended durability. This piston is +0.50mm oversize with a diameter of 54.45mm.","descriptionMarkdown":"### Vertex 54.45mm Oversize Single Ring Piston\n\nRestore your engine performance with this high-quality Vertex 54.45mm oversize piston. Engineered for durability and precision, this piston is designed to meet the rigorous demands of two-stroke engine operation. Whether you are performing a top-end rebuild or refreshing your motor, Vertex provides the reliability and performance required for competitive riding.\n\nVertex pistons are crafted from advanced Low-Ex silicon-charged aluminium alloys. Through a combination of gravity casting or hydraulic forging and sophisticated heat treatment processes, these pistons achieve superior structural integrity and heat resistance.\n\n### Key Features\n\n \n- Precision Engineering: Manufactured using state-of-the-art CNC machining and diamond tooling for exact tolerances and optimal surface finishes.\n \n- Advanced Coating Technology: Features a Molybdenum Bisulphite black coating to minimize friction and assist with a smooth break-in process.\n \n- Enhanced Durability: Incorporates an all-over phosphate coating that improves the adhesion of the Molybdenum layer and increases overall wear resistance, drawing inspiration from Formula One engine development.\n \n- Rigorous Quality Control: Each piston undergoes comprehensive manual and automatic testing to ensure it meets the highest manufacturing standards.\n \n- Single Ring Design: Specifically configured to provide optimal sealing and performance for your engine application.\n\nThis 0.50mm oversize piston is an essential component for cylinder bores that have been bored or honed beyond standard specifications, ensuring a tight seal and restored compression for your motorcycle engine.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yz-125-2022-050mm-oversize-5445mm-single-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/976b30d37b3f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/976b30d37b3f: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."]}}