When it comes time to ride the last thing you want to do is fix this or pump that right we hear you loud and clear which is why we made the alibi sport step through to be ready to roll whenever you are it has a step through frame design that makes getting on and off the bike as easy as can be an anti rust chain that removes the need for dirty grimy maintenance and puncture proof airless tyres that39s right these tyres don39t need any pumping and they39ll never go flat as for the rid