H-Block SLRSuperlight folding Trail/Dirt tyres with kevlar bead.New tyres for riders that want lightweight, fast rolling centres with a little bit of extra grip on the edges.Split twin rail centre design (forming H shapes) provides edges for drive and braking grip with minimal vibration.Taper thickness tread from the centre outwards providing increasing dig-in function the further over you go, yet saving weight in the central area.120 tpi superlight carcass.Folding with Kevlar bead.Soft compound (55D).Size: 26 x 2.2"Weight:Â 535g.