{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"2362df0a8f6f","name":"PISTON KIT VERTEX 79.0 B HONDA CRF 250 10-13, VERTEX 23589B OS+2.20 BIG BORE HC COMPR 13,5:1","sku":"23589B","brand":"Vertex","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":228.1,"formatted":"£228.10"},"summary":"Vertex UK Piston Kit 23589B. Compression ratio 13.5:1. 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 standard. Bore size 79.00mm Big Bore +2.20mm [B 78.97mm]. Replacement parts: Rings (590279000001 SET), Pin (715380), Clips (72055). Cross reference numbers: RING SET, PISTON 13011-KRN-A40, PISTON (76.8MM) 13101-KRN-A40, PIN, PISTON (43.6MM) 13111-KRN-A40 13111-KRN-A60, PIN, PISTON (43.6MM) 13111-KRN-A60, CLIP, PISTON PIN (16MM) 13112-MEE-000.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"79mm"},{"label":"Variant Id","value":"281467"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock80768_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock80768_1.jpg"],"description":"Vertex UK Piston Kit 23589B. Compression ratio 13.5:1. 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 standard. Bore size 79.00mm Big Bore +2.20mm [B 78.97mm]. Replacement parts: Rings (590279000001 SET), Pin (715380), Clips (72055). Cross reference numbers: RING SET, PISTON 13011-KRN-A40, PISTON (76.8MM) 13101-KRN-A40, PIN, PISTON (43.6MM) 13111-KRN-A40 13111-KRN-A60, PIN, PISTON (43.6MM) 13111-KRN-A60, CLIP, PISTON PIN (16MM) 13112-MEE-000.","descriptionMarkdown":"### Vertex Piston Kit Big Bore High Compression 79.0mm\n\n This Vertex Piston Kit is designed for performance upgrades, offering a high compression ratio of 13.5:1.\n Vertex pistons are a trusted choice, often fitted as original equipment on many motorcycles.\n This kit provides a big bore option with a piston measuring 79.00mm in bore size, which is +2.20mm over standard (standard bore 78.97mm).\n\n **Key Features:**\n\n \n- High Compression Ratio: 13.5:1 for increased power output.\n \n- Big Bore Size: 79.00mm bore for enhanced engine performance.\n \n- Complete Kit: Includes piston, rings, wrist pin, and circlips for a full replacement.\n \n- Heat Treated: All pistons undergo a T-5 or T-6 hardening and tempering cycle for durability.\n \n- OEM Quality: Standard pistons and components are designed as direct OEM replacements.\n \n- Made in Italy: Ensuring high standards of manufacturing and quality.\n\n **Specifications:**\n\n \n- Bore Size: 79.00mm Big Bore (+2.20mm)\n \n- Compression Ratio: 13.5:1\n\n **Replacement Parts Available Separately:**\n\n \n- Rings: 590279000001 SET\n \n- Pin: 715380\n \n- Clips: 72055","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF 250R","cc":null,"notes":null,"years":"2010–2013"}],"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-790-b-honda-crf-250-10-13-vertex-23589b-os220-big-bore-hc-comp","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/2362df0a8f6f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/2362df0a8f6f: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."]}}