Tufo flexus cubus 33 sg tubular cx tyrethe universal model suitable for most conditions including the most difficult cyclocross terrains in spite of the aggresive tread pattern this model has very low rolling resistance and can be used also on dry terrain and hard pack specially formulated soft tread compound enhances the tyre shock absorption features use racing size 28 width 33mm total weight 350g pressure max 45 bar 65 ps i tpi 210 sidewall area 315 under the treadbuytufo