{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"7a52629bc380","name":"PISTON KIT 50cc 40.30mm, PROX 01.1010.130 Minarelli AM6","sku":"56-W9850.130.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":42.37,"formatted":"£42.37"},"summary":"This ProX piston kit features a 40.30mm bore, which is an oversize (+1.30mm) two-stroke replacement piston. It is manufactured from a low-expansion, low-friction alloy used by OEM engine manufacturers, offering high durability and reliability. The kit includes the piston, rings, circlips, and gudgeon pin. The little end bearing must be purchased separately. Cylinder clearance should be verified before installation. Specifications include a 40.30mm bore, +1.30mm oversize, and it is for a 2-stroke engine. Cross-reference numbers are GW0 and GW2.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"40.30mm"},{"label":"Variant Id","value":"258916"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9850_2E130_2EPX/b3eb1a6e034bbfeb.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9850_2E130_2EPX/b3eb1a6e034bbfeb.jpg"],"description":"This ProX piston kit features a 40.30mm bore, which is an oversize (+1.30mm) two-stroke replacement piston. It is manufactured from a low-expansion, low-friction alloy used by OEM engine manufacturers, offering high durability and reliability. The kit includes the piston, rings, circlips, and gudgeon pin. The little end bearing must be purchased separately. Cylinder clearance should be verified before installation. Specifications include a 40.30mm bore, +1.30mm oversize, and it is for a 2-stroke engine. Cross-reference numbers are GW0 and GW2.","descriptionMarkdown":"### ProX 50cc Oversize Piston Kit 40.30mm\n\nThis ProX piston kit features a 40.30mm bore, making it an oversized (+1.30mm) replacement piston designed for two-stroke engines found in many small-capacity motorcycles and scooters. It is constructed from a high-quality, low-expansion, low-friction alloy that is also used by Original Equipment Manufacturer (OEM) engine builders, ensuring excellent durability and reliability at a competitive price point. This kit provides an economical solution for replacing worn or damaged OEM pistons.\n\n**Key Features:**\n\n- Constructed from OEM-grade low-expansion, low-friction alloy for superior performance.\n\n- Engineered for high durability and thermal stability, ideal for demanding two-stroke applications.\n\n- Complete kit includes the piston, piston rings, circlips, and gudgeon pin for a straightforward installation.\n\n- Offers an economical and reliable alternative to original equipment pistons.\n\n- Important Note: The little end bearing is not included in this kit and must be purchased separately.\n\n- Important Note: Always verify and set the correct cylinder clearance before installing this piston.\n\n**Specifications:**\n\n- Bore Size: 40.30mm (This is a +1.30mm oversize piston)\n\n- Engine Type: 2-Stroke\n\n- Cross-Reference Numbers: GW0 / GW2","weightGrams":null,"fitments":[{"make":"BETA","model":"RR 50","cc":null,"notes":null,"years":"2005–2016"},{"make":"BETA","model":"RR ENDURO 2T 50","cc":null,"notes":null,"years":"2005–2024"},{"make":"HONDA","model":"DIO 50","cc":null,"notes":null,"years":"1993–2006"},{"make":"IBESTON","model":"CL QT A 50","cc":null,"notes":null,"years":"1950–2019"},{"make":"KYMCO","model":"DJ 50","cc":null,"notes":null,"years":"1950–2019"},{"make":"KYMCO","model":"KB 50","cc":null,"notes":null,"years":"1950–2019"},{"make":"KYMCO","model":"PEOPLE 50","cc":null,"notes":null,"years":"1950–2019"},{"make":"KYMCO","model":"SCOUT 50","cc":null,"notes":null,"years":"1950–2019"},{"make":"KYMCO","model":"SUPER 9 50","cc":null,"notes":null,"years":"2003–2009"},{"make":"RIEJU","model":"RS 1 50","cc":null,"notes":null,"years":"2017"},{"make":"RIEJU","model":"SPIKE 50","cc":null,"notes":null,"years":"1988–2014"},{"make":"SHERCO","model":"SE 50","cc":null,"notes":null,"years":"2003–2017"},{"make":"SHERCO","model":"SE-R 50","cc":null,"notes":null,"years":"2003–2024"},{"make":"SHERCO","model":"SM 50","cc":null,"notes":null,"years":"2003–2017"},{"make":"SHERCO","model":"SM-R 50","cc":null,"notes":null,"years":"2003–2024"}],"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-50cc-4030mm-prox-011010130-minarelli-am6","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/7a52629bc380:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/7a52629bc380:1"}},"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."]}}