{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"bd5c6cdee0b5","name":"CYLINDER FULL KIT 100MM HONDA CRF 450 09-16, ATHENA P400210100030 FOR 490CC BIG BORE, (Piston included)","sku":"56-K142.100.CKA","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":684,"formatted":"£684.00"},"summary":"ATHENA Big Bore Cylinder Kit Ø 100 mm, 490 cc - P400210100030. This kit includes an aluminum cylinder with increased bore, a complete piston with pin and rings, and all necessary gaskets. The cylinder is coated with motor-nicksil for smoothness and wear resistance. Athena’s Big Bore Cylinder Kits provide an increase in performance while maintaining the reliability of original components. The kit components are developed to withstand high temperatures, pressures, and stresses. Installation does not require engine crankcase modifications. Technical features: Bore Diameter 100.00 mm, Compression Ratio 12.5:1, Displacement 490 cc, Net Weight 1.70 Kg. Partner Cross Reference codes: S4F100000180 Piston Kit bore 100mm, P400210160023 Gaskets Kit.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"General Size","value":"100mm"},{"label":"Variant Id","value":"252862"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K142_2E100_2ECKA/8d414738ebfa7f0f.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K142_2E100_2ECKA/8d414738ebfa7f0f.jpg"],"description":"ATHENA Big Bore Cylinder Kit Ø 100 mm, 490 cc - P400210100030. This kit includes an aluminum cylinder with increased bore, a complete piston with pin and rings, and all necessary gaskets. The cylinder is coated with motor-nicksil for smoothness and wear resistance. Athena’s Big Bore Cylinder Kits provide an increase in performance while maintaining the reliability of original components. The kit components are developed to withstand high temperatures, pressures, and stresses. Installation does not require engine crankcase modifications. Technical features: Bore Diameter 100.00 mm, Compression Ratio 12.5:1, Displacement 490 cc, Net Weight 1.70 Kg. Partner Cross Reference codes: S4F100000180 Piston Kit bore 100mm, P400210160023 Gaskets Kit.","descriptionMarkdown":"### Athena Big Bore Cylinder Kit - 490cc, 100mm Bore\n\nUpgrade your motorcycle's performance with the Athena Big Bore Cylinder Kit. Engineered and manufactured in Italy by Athena's dedicated Research and Development department, this kit is designed to enhance power and reliability.\n\nThe cylinder features a motor-nicksil coating, a proprietary nickel-silicon surface developed by Athena for exceptional smoothness and wear resistance. This advanced coating ensures longevity even under demanding conditions.\n\nExperience a noticeable increase in the power curve without compromising the reliability of your original engine components. Athena's Big Bore Kits are globally recognized for their performance, durability, and trustworthiness.\n\nThis comprehensive kit includes:\n\n \n- A high-quality aluminum cylinder with an increased bore diameter.\n \n- A complete piston assembly, including the piston pin and rings.\n \n- All necessary gaskets for installation.\n\nAll components have undergone rigorous testing by Athena technicians on both benches and roads, validating their ability to withstand extreme temperatures, pressures, and stresses.\n\n**Key Technical Features:**\n\n \n- Bore Diameter: 100.00 mm\n \n- Compression Ratio: 12.5:1\n \n- Displacement: 490 cc\n \n- Net Weight: 1.70 Kg\n\nThis cylinder kit can be installed without requiring modifications to the engine crankcase.\n\n**Partner Cross Reference:**\n\n \n- Piston Kit bore 100mm: S4F100000180\n \n- Gaskets Kit: P400210160023","weightGrams":null,"fitments":[{"make":"HONDA","model":"CRF 450R","cc":null,"notes":null,"years":"2009–2018"}],"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-honda-crf-450-09-16-athena-p400210100030-for-490cc-big-b","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/bd5c6cdee0b5:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/bd5c6cdee0b5:1"}},"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."]}}