{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"16f1f5d88531","name":"PISTON KIT VERTEX 81.0 A HONDA CRF 250 R/X 04-17, VERTEX 23535A OS +3.00 BIG BORE COMPR 13,0:1","sku":"23535A","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":228.1,"formatted":"£228.10"},"summary":"PISTON KIT VERTEX 23535A. Bore size 81mm big bore +3.00mm [A 80.96mm]. Compression 13.0:1. Standard pistons and components are OEM replacements. Kits include piston, rings, wrist pin and circlips. All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle. Replacement rings are sold individually. Made in Italy. Fitted in many OEM bikes as STD. Replacement parts: Rings 590281000001 SET, Pin 715380, Clips 72055. Cross reference numbers: RING SET, PISTON (STD) 13011-KRN-850, PISTON 13101-KRN-850, PIN, PISTON 13111-KRN-850, CLIP, PISTON PIN (16MM) 13115-KM7-700.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"81mm"},{"label":"Variant Id","value":"281451"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/23535A/791edbf97c7ac16c.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/23535A/791edbf97c7ac16c.png","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/23535A/50350acab1c0d06f.jpg"],"description":"PISTON KIT VERTEX 23535A. Bore size 81mm big bore +3.00mm [A 80.96mm]. Compression 13.0:1. Standard pistons and components are OEM replacements. Kits include piston, rings, wrist pin and circlips. All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle. Replacement rings are sold individually. Made in Italy. Fitted in many OEM bikes as STD. Replacement parts: Rings 590281000001 SET, Pin 715380, Clips 72055. Cross reference numbers: RING SET, PISTON (STD) 13011-KRN-850, PISTON 13101-KRN-850, PIN, PISTON 13111-KRN-850, CLIP, PISTON PIN (16MM) 13115-KM7-700.","descriptionMarkdown":"### Vertex 81.0mm Big Bore Piston Kit with 13.0:1 Compression\n\nUpgrade your motorcycle's performance with this high-quality Vertex piston kit. Designed as a big bore replacement, this kit offers enhanced power and efficiency. Vertex pistons are renowned for their durability and are often fitted as standard equipment on OEM bikes.\n\n**Key Features:**\n\n \n- Big Bore size: 81.0mm (OS +3.00mm)\n \n- Compression Ratio: 13.0:1 for increased power output\n \n- All Vertex pistons undergo a T-5 or T-6 hardening and tempering cycle for superior strength and longevity.\n \n- Kits include piston, rings, wrist pin, and circlips for a complete installation.\n \n- Manufactured in Italy to exacting standards.\n\n**Specifications:**\n\n \n- Bore Size: 81mm Big Bore +3.00mm [A 80.96mm]\n\n**Replacement Parts Available:**\n\n \n- Rings Set: 590281000001\n \n- Pin: 715380\n \n- Clips: 72055","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF 250R","cc":null,"notes":null,"years":"2004–2009"},{"make":"HONDA","model":"CRF 250X","cc":null,"notes":null,"years":"2004–2017"}],"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-vertex-810-a-honda-crf-250-rx-04-17-vertex-23535a-os-300-big-bore-com","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/16f1f5d88531:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/16f1f5d88531:1"}},"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."]}}