{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"62f967a0f436","name":"CYLINDER FULL KIT 100mm 05-14 HONDA CRF490CC ATHENA P400210100021 BIG BORE (PISTON INCLUDED)","sku":"56-K115.100.KIT","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":684,"formatted":"£684.00"},"summary":"Athena Big Bore Cylinder Kit &Oslash; 100 mm, 490 cc - P400210100021 includes a high-quality aluminum cylinder with an increased bore and a complete piston with piston pin and rings, along with all necessary gaskets. Engineered in Italy, each cylinder features a proprietary nickel-silicon coating for smoothness and wear resistance. This kit offers a noticeable increase in performance across the power curve while maintaining original reliability. The components are designed to withstand extreme temperatures, pressures, and stresses. No engine crankcase modifications are required for installation. Technical features include a bore diameter of 100.00 mm, bore gain of +4 mm, compression ratio of 12.0:1, displacement of 490 cc, and a net weight of 1.90 Kg. Part No: 56-K115.100.KIT.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"General Size","value":"100mm"},{"label":"Variant Id","value":"252685"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K115_2E100_2EKIT/82b12923b315ba02.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K115_2E100_2EKIT/82b12923b315ba02.jpg"],"description":"Athena Big Bore Cylinder Kit &Oslash; 100 mm, 490 cc - P400210100021 includes a high-quality aluminum cylinder with an increased bore and a complete piston with piston pin and rings, along with all necessary gaskets. Engineered in Italy, each cylinder features a proprietary nickel-silicon coating for smoothness and wear resistance. This kit offers a noticeable increase in performance across the power curve while maintaining original reliability. The components are designed to withstand extreme temperatures, pressures, and stresses. No engine crankcase modifications are required for installation. Technical features include a bore diameter of 100.00 mm, bore gain of +4 mm, compression ratio of 12.0:1, displacement of 490 cc, and a net weight of 1.90 Kg. Part No: 56-K115.100.KIT.","descriptionMarkdown":"### Athena Big Bore Cylinder Kit - 100mm Bore, 490cc\n\nExperience a significant boost in motorcycle performance with the Athena Big Bore Cylinder Kit. This comprehensive kit is engineered in Italy by Athena's dedicated research and development department, utilizing advanced design and testing tools for optimal results. The cylinder features a proprietary Athena motor-nicksil coating, a nickel-silicon composite that ensures both a smooth running surface and exceptional wear resistance.\n\nAthena products are globally recognized for their superior performance, reliability, and durability. This Big Bore Kit is designed to deliver a noticeable increase in power across the entire rev range while maintaining the integrity and dependability of original components. The kit includes a high-quality aluminum cylinder with an increased bore, a complete piston assembly with piston pin and rings, and all necessary gaskets for installation.\n\nEvery component within this kit is built to withstand extreme temperatures, pressures, and stresses. Extensive bench and road testing by Athena technicians ensures that these parts meet the highest standards. A key benefit of this cylinder kit is that it can be installed without requiring any modifications to the engine crankcase.\n\n#### Technical Specifications:\n\n \n- Bore Diameter: 100.00 mm\n \n- Bore Gain: +4 mm\n \n- Compression Ratio: 12.0:1\n \n- Displacement: 490 cc\n \n- Net Weight: 1.90 Kg\n\n#### Included Components:\n\n \n- High-quality aluminum cylinder with increased bore\n \n- Complete piston assembly\n \n- Piston pin\n \n- Piston rings\n \n- All necessary gaskets\n\n**Please Note:** All Athena products must be used in compliance with applicable national regulations. Athena is not responsible for any misuse of its products.","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRE F 450","cc":null,"notes":null,"years":"2005–2009"},{"make":"HONDA","model":"CRE F R 450","cc":null,"notes":null,"years":"2005–2007"},{"make":"HONDA","model":"CRE F X 450","cc":null,"notes":null,"years":"2005–2009"},{"make":"HONDA","model":"CRE MOTARD 450","cc":null,"notes":null,"years":"2002–2010"},{"make":"HONDA","model":"CRE X IE 450","cc":null,"notes":null,"years":"2007–2008"},{"make":"HONDA","model":"CRF 450R","cc":null,"notes":null,"years":"2002–2008"},{"make":"HONDA","model":"CRF 450X","cc":null,"notes":null,"years":"2005–2014"},{"make":"HONDA","model":"CRM F R 450","cc":null,"notes":null,"years":"2005–2007"},{"make":"HONDA","model":"CRM F X 450","cc":null,"notes":null,"years":"2005–2009"},{"make":"HONDA","model":"CRM X IE 450","cc":null,"notes":null,"years":"2007–2008"},{"make":"HONDA","model":"CRMF CREF X 450","cc":null,"notes":null,"years":"2005–2009"},{"make":"KAWASAKI","model":"KLX 450R","cc":null,"notes":null,"years":"2008–2017"},{"make":"KAWASAKI","model":"KX 450F","cc":null,"notes":null,"years":"2006–2008"}],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Cylinder Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/cylinder-kits"}],"links":{"page":"https://www.2brosparts.com/products/cylinder-full-kit-100mm-05-14-honda-crf490cc-athena-p400210100021-big-bore-pisto","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/62f967a0f436:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/62f967a0f436:1"}},"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. 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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."]}}