Schwalbe 27 5 plus size mtb tyre combo27 5 plus size tyres can be used at lower pressures due to their higher volume this means extra cushioning and bounce for superior comfort and also unparalleled levels of grip schwalbe provide a range of tyres in this size to cover every condition and type of terrain select your perfect tyre set up from the options below use our start below button to begin customising your 27 5 plus size mtb tyre combo