Product Description Features: Made of Butyl rubber, good resistance to penetration, mineral acids, and aging. They also have good resistance to extreme temperatures (-60°C to 180°C). The scooter inflated spare tire with good shock absorption and anti-skid effect, it is an ideal replacement for old or broken tires on the scooter, giving you a smooth ride at all times. Note: Please confirm that the size of the product meets your requirements before purchasing How to check the air-filled tire? Before installing, check to see if the inner tubes are completely sealed by putting them in water, if there are any bubbles, they are already damaged. If the inner tire is not round or has a convex situation, it is not a problem and can be used normally after loading the tire. If you encounter any issues, please feel free to let us know. Any questions will be answered satisfactorily within 24 hours. Please rest assured to buy. Note Although this tire features high density, is heat resistant, shockproof, and anti-aging, it runs the risk of being punctured by a foreign object. Therefore, drive on safe roads to avoid damaging the tire. Product Parameter: Outer Diameter: 9 inch Inner Diameter: 6.18 inch Width: 1.43 inch Net weight: 137g/piece Package List: 2 x Inner tires #productDescription { color: #333333; word-wrap: break-word; font-size: small; line-height: initial; margin: 0.5em 0px 0em 25px; } #productDescription_feature_div > h2.default { font-size: medium; margin: 0 0 0.25em; } #productDescription_feature_div > h2.books { color:#333 !important; font-size:21px !important; line-height: 1.3; padding-bottom: 4px; font-weight: normal; margin: 0px; } #productDescription_feature_div > h2.softlines { color:#333 !important; font-size:21px !important; line-height: 1.3; padding-bottom: 4px; font-weight: bold; margin: 0px; } #productDescription > p, #productDescription > div, #productDescription > table { margin: 0 0 1em 0; } #productDescription p { margin: 0em 0 1em 1em; } #productDescription h3 { font-weight: normal; color: #333333; font-size: 1.23em; clear: left; margin: 0.75em 0px 0.375em -15px; } #productDescription table { border-collapse: inherit !important; margin-bottom: 0; } #productDescription table img { max-width: inherit !important; } #productDescription table td { font-size: small; vertical-align: inherit !important; } #productDescription ul li { margin: 0 0 0 20px; } #productDescription ul li ul { list-style-type: disc !important; margin-left: 20px !important; } #productDescription ul ul li { list-style-type: disc !important; margin-left: 20px !important; } #productDescription > ul ul li { list-style-type: disc !important; } #productDescription ul li ul li { margin: 0 0 0 20px; } #productDescription .aplus p { margin: 0 0 1em 0; } #productDescription small { font-size: smaller; } #productDescription.prodDescWidth { max-width: 1000px } P.when('jQuery').execute(function($){ $("#productDescription table").each(function() { var width = $(this).attr('width'); if (width) width += 'px'; else width = 'auto'; $(this).css('width', width); var padding = $(this).attr('cellpadding'); if (padding) padding += 'px'; else padding = '0px'; $(this).css('padding', padding); }); }); #productDescription h3 { margin: 0.75em 0px 0.375em -1px; }