{"product_id":"zracnica-ulip-20x4-0-za-engwe-m1","title":"ULIP 20×4.0 inner tube for ENGWE M1","description":"\u003ch2\u003eULIP inner tube with 20 × 4.0 and 3.50-16 markings\u003c\/h2\u003e\u003cp\u003eThe wide ULIP inner tube has a straight Schrader valve and a dual dimension marking of 20 × 4.0 \/ 3.50-16. It is intended for a compatible tire and rim of a wide wheel assembly.\u003c\/p\u003e\u003ch3\u003eFeatures and fitment\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eModel: ENGWE M1.\u003c\/li\u003e \u003cli\u003eULIP 20 × 4.0 \/ 3.50-16; straight Schrader valve.\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eApproximate dimensions\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eOuter diameter of inner tube: 565 mm.\u003c\/li\u003e \u003cli\u003eInner diameter of inner tube: 408 mm.\u003c\/li\u003e \u003cli\u003eInner tube width: 80.9 mm.\u003c\/li\u003e \u003cli\u003eValve length: 30 mm.\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003eThe straight valve is approximately 30 mm long. When choosing, compare the full dimension marking on the old inner tube and tire, and check for valve access after the wheel is installed.\u003c\/p\u003e\u003ch3\u003eReplacement without pinching the tube\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eBefore replacing, find the cause of the puncture in the tire or on the rim. A foreign object, sharp edge, or damaged rim strip can immediately damage the new inner tube as well.\u003c\/li\u003e \u003cli\u003eInflate the inner tube slightly, align the valve with the hole, and distribute it evenly within the tire. When seating the bead, do not pinch it with mounting tools.\u003c\/li\u003e \u003cli\u003eInflate to the pressure allowed for the wheel assembly. Check valve position and sealing; do not use the valve cap to stop leaks.\u003c\/li\u003e \u003c\/ul\u003e","brand":"ULIP","offers":[{"title":"Default Title","offer_id":57253571494153,"sku":"ULP3688.00","price":19.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/2316\/5961\/files\/zracnica-ulip-20x4-0-3-50-16-za-siroko-e-kolo-01.webp?v=1786537355","url":"https:\/\/www.evolt.si\/en\/products\/inner-tube-ulip-20x4-0-for-engwe-m1","provider":"eVolt.si","version":"1.0","type":"link"}