{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"4330966989c8","name":"TUBE 21x275/300 TR4 INNER ECONOMY PACKED IN POLY BAG","sku":"68-021.U.EACH","brand":"Factory Image Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":794,"price":{"amount":4.64,"formatted":"£4.64"},"summary":"TUBE 21x275/300 TR4 INNER ECONOMY PACKED IN POLY BAG. This standard inner tube is made from airtight butyl rubber and offers excellent flexibility. It features an overlap splice placed opposite the valve stem for improved balance and durability. The TR4 valve stem has a bright zinc-plated metal finish for corrosion resistance. Suitable for 21 inch x 2.50/2.75/3.00 tire sizes. Valve type TR4. Material: Butyl rubber. Valve stem finish: BZP (Bright Zinc Plated) metal.","attributes":[{"label":"General Product Group","value":"Tyres, Tubes & Mousses"},{"label":"General Product Type","value":"Tube"},{"label":"General Size","value":"21x275/300"},{"label":"Variant Id","value":"264722"}],"image":"https://www.oro2u.com/media/catalog/product/6/8/68-021-u-each.jpg","images":["https://www.oro2u.com/media/catalog/product/6/8/68-021-u-each.jpg"],"description":"TUBE 21x275/300 TR4 INNER ECONOMY PACKED IN POLY BAG. This standard inner tube is made from airtight butyl rubber and offers excellent flexibility. It features an overlap splice placed opposite the valve stem for improved balance and durability. The TR4 valve stem has a bright zinc-plated metal finish for corrosion resistance. Suitable for 21 inch x 2.50/2.75/3.00 tire sizes. Valve type TR4. Material: Butyl rubber. Valve stem finish: BZP (Bright Zinc Plated) metal.","descriptionMarkdown":"### Inner Tube for 21-Inch Tires TR4 Valve\n\nThis inner tube is designed for 21-inch tires with widths ranging from 2.50 to 3.00. It features a TR4 valve type and is constructed from airtight butyl rubber, offering excellent flexibility to conform to the shape of your tire and rim. The tube includes an overlap splice placed opposite the valve stem to improve tube balance and durability. The valve stem has a bright zinc-plated (BZP) metal finish for corrosion resistance.\n\n**Key Features:**\n\n\t\n- Suitable for 21-inch x 2.50/2.75/3.00 tire sizes.\n\t\n- Made from airtight butyl rubber for reliable performance.\n\t\n- Highly flexible material conforms easily to tire and rim contours.\n\t\n- Features an overlap splice for enhanced strength and durability.\n\t\n- Splice is positioned opposite the valve stem for improved balance.\n\t\n- Equipped with a TR4 valve stem.\n\t\n- Valve stem has a BZP metal finish for corrosion resistance.","weightGrams":null,"fitments":[],"collections":[{"name":"Tyres, Tubes & Mousses","url":"https://www.2brosparts.com/api/agent/collection/GB/tyres-tubes-mousses"},{"name":"Tube","url":"https://www.2brosparts.com/api/agent/collection/GB/tube"}],"links":{"page":"https://www.2brosparts.com/products/tube-21x275300-tr4-inner-economy-packed-in-poly-bag","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/4330966989c8:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/4330966989c8:1"}},"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."]}}