{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"6c9b0370e368","name":"CYLINDER FULL KIT 77MM SUZUKI RM-Z 250 07-09, ATHENA P400510100009 STD BORE, (Piston included)","sku":"56-K129.77.CKA","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":523.97,"formatted":"£523.97"},"summary":"ATHENA Standard Bore Cylinder Kit Ø 77 mm, 250 cc. Engineered in Italy, this cylinder is coated with motor-nicksil, a nickel-silicon coating for smoothness and wear resistance. The kit guarantees original spare parts performance with extreme reliability and optimal smoothness due to the lightweight aluminum cylinder, nickel-silicon coated barrel, and a piston designed to reduce friction. The kit includes a high-quality aluminum cylinder with standard bore, a complete piston with pin and rings, and all necessary gaskets. All components are developed to withstand high temperatures, pressures, and stresses, validated by Athena technicians. The cylinder kit can be installed without engine crankcase modifications. Bore Diameter: 77.00 mm. Compression Ratio: 13.4:1. Displacement: 250 cc. Net Weight: 1.45 Kg. Piston Kit options: S4F07700006A (76.95mm) and S4F07700006B (76.96mm). Gasket Kit: P400510160009. Part No. 56-K129.77.CKA.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Cylinder Kits"},{"label":"General Size","value":"77mm"},{"label":"Variant Id","value":"252771"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K129_2E77_2ECKA/b2a190596faa6004.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K129_2E77_2ECKA/b2a190596faa6004.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-K129_2E77_2ECKA/427aa3f5de020743.jpg"],"description":"ATHENA Standard Bore Cylinder Kit Ø 77 mm, 250 cc. Engineered in Italy, this cylinder is coated with motor-nicksil, a nickel-silicon coating for smoothness and wear resistance. The kit guarantees original spare parts performance with extreme reliability and optimal smoothness due to the lightweight aluminum cylinder, nickel-silicon coated barrel, and a piston designed to reduce friction. The kit includes a high-quality aluminum cylinder with standard bore, a complete piston with pin and rings, and all necessary gaskets. All components are developed to withstand high temperatures, pressures, and stresses, validated by Athena technicians. The cylinder kit can be installed without engine crankcase modifications. Bore Diameter: 77.00 mm. Compression Ratio: 13.4:1. Displacement: 250 cc. Net Weight: 1.45 Kg. Piston Kit options: S4F07700006A (76.95mm) and S4F07700006B (76.96mm). Gasket Kit: P400510160009. Part No. 56-K129.77.CKA.","descriptionMarkdown":"### Athena Standard Bore Cylinder Kit for Suzuki RM-Z 250\n\nEnhance your motorcycle's performance and reliability with this Athena Standard Bore Cylinder Kit. Engineered in Italy by Athena's expert R&D department, this kit is designed to deliver performance equivalent to original spare parts while offering exceptional durability and smoothness. The lightweight aluminum cylinder features a Motor-Nicksil nickel-silicon coating, developed by Athena for optimal wear resistance and reduced friction. The included piston is specifically designed to further minimize friction, ensuring efficient operation.\n\nThis comprehensive kit includes a high-quality aluminum cylinder with a standard bore, a complete piston assembly with piston pin and rings, and all necessary gaskets. Each component has been rigorously tested under severe bench and road conditions to withstand high temperatures, pressures, and stresses. This cylinder kit can be installed without requiring any modifications to the engine crankcase.\n\n**Key Features:**\n\n \n- Standard Bore Cylinder Kit with a 77.00 mm bore diameter.\n \n- Engineered and tested by Athena's R&D department in Italy.\n \n- Features a Motor-Nicksil nickel-silicon coating for superior smoothness and wear resistance.\n \n- Lightweight aluminum cylinder construction.\n \n- Includes a complete piston, piston pin, rings, and all necessary gaskets.\n \n- Designed to match original spare part performance, reliability, and smoothness.\n \n- Tested to withstand high temperatures, pressures, and stresses.\n \n- No engine crankcase modifications required for installation.\n\n**Technical Specifications:**\n\n \n- Bore Diameter: 77.00 mm\n \n- Compression Ratio: 13.4:1\n \n- Displacement: 250 cc\n \n- Net Weight: 1.45 Kg\n\n**Partner Cross Reference Codes:**\n\n \n- Piston Kit: S4F07700006A (76.95mm)\n \n- Piston Kit: S4F07700006B (76.96mm)\n \n- Gaskets Kit: P400510160009","weightGrams":null,"fitments":[{"make":"SUZUKI","model":"RM-Z 250","cc":null,"notes":null,"years":"2007–2009"}],"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-77mm-suzuki-rm-z-250-07-09-athena-p400510100009-std-bore-pisto","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/6c9b0370e368:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/6c9b0370e368:1"}},"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."]}}