How many times have you been ready to ride only to be confronted with a flat tyre well our alibi step through wants you to be pumped up to ride not pumping up your tyres thats why it comes with tyres that dont need any air at all thats right you can kiss your pump goodbye and more importantly you can say goodbye to ever having a flat tyre again this version of the alibi also comes with a step through design that makes getting on and off the bike as easy as can be an anti rust chain