{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"c91cf2e629ae","name":"HONDA CR 125 1992-1999 GRADE B 53.94mm TWIN RING REPLICA PISTON","sku":"V.2189B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":5,"price":{"amount":178.12,"formatted":"£178.12"},"summary":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon, depending on the application. They are made using gravity casting or hydraulic forging, then refined with a heat treatment process. 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 a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new Phosphate Coating offers increased hardness and porosity for superior adhesion and durability of the Molybdenum Coating. This piston is 53.94mm with twin rings.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-cr-125-1992-1999-grade-a-53.93mm-single-ring-race-piston-1011-p.jpg","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-cr-125-1992-1999-grade-a-53.93mm-single-ring-race-piston-1011-p.jpg"],"description":"Vertex pistons are manufactured using Low-Ex aluminium alloys with 12%, 18% or 21% silicon, depending on the application. They are made using gravity casting or hydraulic forging, then refined with a heat treatment process. 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 a special Molybdenum Bisulphite black coating for break-in and friction reduction. A new Phosphate Coating offers increased hardness and porosity for superior adhesion and durability of the Molybdenum Coating. This piston is 53.94mm with twin rings.","descriptionMarkdown":"### Vertex Twin Ring Replica Piston 53.94mm Grade B\n\nThe Vertex twin ring replica piston is engineered to meet the demanding requirements of high-performance two-stroke engines. Designed for riders seeking reliable replacement components, this piston utilizes advanced aluminium alloy technology to ensure durability and consistent power delivery throughout the engine's service life.\n\nVertex manufactures these pistons using low-expansion silicon-charged aluminium alloys. Through a combination of gravity casting or hydraulic forging processes and state-of-the-art heat treatment, the piston achieves a refined material structure that enhances both strength and thermal resistance. Each piston is precision-machined using CNC technology and diamond tooling to ensure exact tolerances and optimal surface finishes.\n\n### Key Features\n\n \n- Advanced Alloy Composition: Constructed from specialized low-expansion aluminium alloys charged with silicon for superior thermal stability.\n \n- Precision Heat Treatment: Undergoes a sophisticated heat treatment process to optimize the molecular structure for long-term reliability.\n \n- Molybdenum Bisulphite Coating: Features a specialized black coating that facilitates a smoother break-in period and reduces friction within the cylinder.\n \n- Phosphate Coating Technology: Enhanced with a secondary phosphate coating that provides a slight increase in hardness and improves the adhesion of the Molybdenum finish, significantly extending the durability of the piston skirt.\n \n- Twin Ring Design: Engineered to provide an excellent seal and consistent compression for reliable engine performance.\n \n- Strict Quality Control: Each unit undergoes rigorous manual and automatic inspections to maintain the highest manufacturing standards.\n\nThis 53.94mm Grade B piston is an ideal choice for engine rebuilds where quality and performance are the top priorities. By integrating Formula One inspired coating technologies, Vertex ensures that this replica piston provides an exceptional balance of wear resistance and operational efficiency.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-cr-125-1992-1999-grade-b-5394mm-twin-ring-replica-piston","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/c91cf2e629ae:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/c91cf2e629ae: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."]}}