{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"542637e2fb35","name":"YAMAHA YZ 125 2022 GRADE B 53.95mm SINGLE RING PISTON","sku":"V.4570B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":15,"price":{"amount":170.02,"formatted":"£170.02"},"summary":"Vertex pistons are manufactured using Low-Ex silicon-charged aluminum alloys. The pistons are made using gravity casting or hydraulic forging, followed by heat treatment. Machining is done with CNC machines and diamond tools for specific surface finishes. Each piston undergoes quality control. Vertex pistons are coated with Molybdenum Bisulphite for break-in and friction reduction. A new Phosphate Coating is also available, offering increased hardness, surface porosity, and enhanced Molybdenum Coating adhesion for increased durability. This piston is 53.95mm.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-85-2019-2020-grade-a-47.45mm-10605-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/yamaha-yz-85-2019-2020-grade-a-47.45mm-10605-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex silicon-charged aluminum alloys. The pistons are made using gravity casting or hydraulic forging, followed by heat treatment. Machining is done with CNC machines and diamond tools for specific surface finishes. Each piston undergoes quality control. Vertex pistons are coated with Molybdenum Bisulphite for break-in and friction reduction. A new Phosphate Coating is also available, offering increased hardness, surface porosity, and enhanced Molybdenum Coating adhesion for increased durability. This piston is 53.95mm.","descriptionMarkdown":"### Vertex Single Ring Piston\n\nMaintain peak engine performance with the Vertex single ring piston. Designed for high-performance off-road applications, this piston is engineered using advanced metallurgical processes to ensure strength, reliability, and precision under demanding conditions.\n\nVertex utilizes exotic Low-Ex (low expansion) silicon-charged aluminum alloys to provide superior thermal stability. Each piston is produced via high-precision gravity casting or hydraulic forging, followed by a sophisticated automated heat treatment process to refine the material structure for maximum durability.\n\n### Key Features\n\n \n- Precision Engineering: Manufactured using state of the art CNC machinery and diamond-tipped tooling to achieve exacting tolerances and specific surface finishes.\n \n- Advanced Coatings: Features a Molybdenum Bisulphite black coating to reduce friction and assist during the critical engine break-in period.\n \n- Phosphate Coating Technology: Incorporates a Formula One inspired Phosphate coating, which provides increased surface hardness and superior adhesion for the Molybdenum layer, effectively doubling the coating durability.\n \n- Rigorous Quality Control: Every component undergoes stringent manual and automatic inspections to meet the highest standards of quality and consistency.\n \n- Optimized Design: Engineered to provide an ideal fitment for 53.95mm cylinder requirements, promoting efficient combustion and engine longevity.\n\nWhen rebuilding your top end, Vertex pistons offer the professional-grade performance and reliability required for competitive riding and intensive use.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/yamaha-yz-125-2022-grade-b-5395mm-single-ring-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/542637e2fb35:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/542637e2fb35:1"}},"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."]}}