{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"69771f747f66","name":"PISTON KIT 50cc 39.00mm, PROX 01.1010.000 -GW0- / -GW2-","sku":"56-W9850.000.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 39.00mm bore and is designed for 50cc two-stroke engines. Manufactured from an OEM-grade low-expansion, low-friction alloy, it offers a reliable and economical aftermarket solution. The kit includes the piston, rings, circlips, and gudgeon pin. A little end bearing is not included and must be purchased separately. This piston is machined for high performance in two-stroke applications. Part number PROX 01.1010.000. Cross-reference OEM part numbers GW0 and GW2.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"39.00mm"},{"label":"Variant Id","value":"258913"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57859_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57859_1.jpg"],"description":"This ProX piston kit features a 39.00mm bore and is designed for 50cc two-stroke engines. Manufactured from an OEM-grade low-expansion, low-friction alloy, it offers a reliable and economical aftermarket solution. The kit includes the piston, rings, circlips, and gudgeon pin. A little end bearing is not included and must be purchased separately. This piston is machined for high performance in two-stroke applications. Part number PROX 01.1010.000. Cross-reference OEM part numbers GW0 and GW2.","descriptionMarkdown":"### ProX Piston Kit - 50cc, 39.00mm Bore\n\nThis ProX piston kit is designed as a high-quality replacement for two-stroke engines. Crafted from a low-expansion, low-friction alloy, the same material utilized by Original Equipment Manufacturer (OEM) engine builders, this piston offers reliability and performance. It serves as an economical aftermarket solution without compromising on quality.\n\n**Key Features:**\n\n \n- Constructed from an OEM-grade alloy known for low expansion and low friction.\n \n- Precisely machined for optimal performance in two-stroke engine applications.\n \n- The kit is comprehensive, including the piston, piston rings, circlips, and gudgeon pin.\n \n- Provides an affordable alternative to OEM pistons.\n \n- Please note: The little end bearing is not included with this kit and must be purchased separately.\n \n- Available in standard and oversized versions. Cylinder clearance verification is essential before ordering to ensure proper fitment.\n\n**Specifications:**\n\n \n- Bore Size: 39.00mm\n \n- Engine Type: 2-Stroke\n\n**Cross-Reference Part Numbers:**\n\n \n- GW0\n \n- GW2\n \n- PROX 01.1010.000","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-3900mm-prox-011010000-gw0-gw2","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/69771f747f66:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/69771f747f66:1"}},"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."]}}