{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"8b99c209894c","name":"PISTON KIT GP DOMED 54.0 C RS125 03-09, VERTEX 23105C GP HONDA","sku":"56-W177.C.VERTEX","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":228.02,"formatted":"£228.02"},"summary":"Vertex UK forged piston kit 23105C, 1-ring, dome top. Bore size 54.00mm [C 53.96mm]. Kit includes piston, 0.8mm flat ring, pin, and 2 clips. All Vertex pistons are heat treated with a T-5 or T-6 hardening and tempering cycle. Made in Italy. Fitted in many OEM bikes as standard. Replacement parts: Rings 53007805400, Pin 711127, Clips 72071.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54mm"},{"label":"Variant Id","value":"285054"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock84659_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock84659_1.jpg"],"description":"Vertex UK forged piston kit 23105C, 1-ring, dome top. Bore size 54.00mm [C 53.96mm]. Kit includes piston, 0.8mm flat ring, pin, and 2 clips. All Vertex pistons are heat treated with a T-5 or T-6 hardening and tempering cycle. Made in Italy. Fitted in many OEM bikes as standard. Replacement parts: Rings 53007805400, Pin 711127, Clips 72071.","descriptionMarkdown":"### Vertex GP Domed Piston Kit for Honda RS125\n\nUpgrade your Honda RS125 with this high-performance Vertex GP Domed Piston Kit. Designed as a cost-effective alternative to standard HRC pistons, this kit offers excellent value without compromising on quality.\n\nEach Vertex piston kit features a domed top design and includes all necessary components for a complete installation: a single 0.8mm flat piston ring, a high-quality wrist pin, and two circlips. Vertex pistons are forged for superior strength and durability.\n\nAll Vertex Pistons undergo a T-5 or T-6 hardening and tempering cycle for enhanced performance and longevity. These pistons are manufactured in Italy and are fitted as original equipment on many OEM bikes, attesting to their reliability.\n\n**Key Features:**\n\n \n- Forged piston construction for strength and durability.\n \n- Domed top piston design.\n \n- Kit includes piston, 0.8mm flat ring, wrist pin, and circlips.\n \n- Piston undergoes T-5 or T-6 hardening and tempering.\n \n- OEM replacement quality.\n \n- Made in Italy.\n\n**Specifications:**\n\n \n- Bore Size: 54.00mm\n\n**Important Preparation Notes:**\n\nFor optimal performance and engine longevity, it is crucial to properly prepare the piston before installation. This includes chamfering all skirts and the ring groove, as well as carefully setting the ring gap. The included ring is designed to fit all sizes and is typically set to the largest gap.\n\nThe ring gap is positioned at the rear of the piston to align with the rear boost port. Ensure thorough chamfering of the rear port to accommodate this. For extended piston life, it is recommended to change the ring halfway through the piston's lifespan of 300 to 350 kilometers to prevent potential breakage of the ring locating tag.","weightGrams":null,"fitments":[{"make":"HONDA","model":"RS 125","cc":null,"notes":null,"years":"2003–2007"},{"make":"HONDA","model":"RS GP DOMED 125","cc":null,"notes":null,"years":"2003–2007"}],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Pistons & Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/pistons-kits"}],"links":{"page":"https://www.2brosparts.com/products/piston-kit-gp-domed-540-c-rs125-03-09-vertex-23105c-gp-honda","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/8b99c209894c:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/8b99c209894c: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."]}}