{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ea4510bf0316","name":"PISTON KIT 50cc 40.00mm, PROX 01.1010.100 -GW0- / -GW2-","sku":"56-W9850.100.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 forged piston kit features a 40.00mm bore, which is an oversize replacement. It is manufactured from an OEM-grade low-expansion, low-friction alloy, offering high-quality performance and durability for two-stroke engines. The kit includes the piston, rings, circlips, and gudgeon pin. The little end bearing is not included and must be purchased separately. Cylinder clearance should be checked before ordering. Part number PROX 01.1010.100.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"40.00mm"},{"label":"Variant Id","value":"258915"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9850_2E100_2EPX/b974e651d6f384d2.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9850_2E100_2EPX/b974e651d6f384d2.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9850_2E100_2EPX/5a2e3b0f74546dd6.jpg"],"description":"This ProX forged piston kit features a 40.00mm bore, which is an oversize replacement. It is manufactured from an OEM-grade low-expansion, low-friction alloy, offering high-quality performance and durability for two-stroke engines. The kit includes the piston, rings, circlips, and gudgeon pin. The little end bearing is not included and must be purchased separately. Cylinder clearance should be checked before ordering. Part number PROX 01.1010.100.","descriptionMarkdown":"### ProX Oversize Piston Kit 50cc 40.00mm\n\nThis ProX forged piston kit features a 40.00mm bore, making it an oversize (+1.00mm) replacement piston. It is designed for high-quality performance and durability in two-stroke engines. Manufactured from the same low-expansion, low-friction alloy used in Original Equipment Manufacturer (OEM) pistons, this kit offers an economical solution for replacing your original piston.\n\n**Key Features:**\n\n\t\n- Forged from OEM-grade low-expansion, low-friction alloy.\n\t\n- Optimized for performance and longevity in two-stroke applications.\n\t\n- Includes piston, piston rings, circlips, and gudgeon pin.\n\t\n- An economical and direct replacement for the original piston.\n\t\n- Please note: Little end bearing is not included and must be purchased separately.\n\t\n- Cylinder clearance should be verified before installation.\n\n**Specifications:**\n\n\t\n- Bore Size: 40.00mm (+1.00mm Oversize)\n\t\n- Engine Type: 2-Stroke\n\t\n- Piston Kit Part Number: PROX 01.1010.100\n\t\n- Cross-Reference Codes: 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-4000mm-prox-011010100-gw0-gw2","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ea4510bf0316:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ea4510bf0316:1"}},"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."]}}