Schwalbe big one mtb tyre liteskinthe inspiration for this cannonball belongs to our dutch neighbours in winter their passion for mtb competition moves on to the beach the big one features a minimal profile and weight as well as the latest tubeless easy technology to create a tyre with the lowest rolling resistance that schwalbe has ever created perfect for beach ridingfeatures typefolding size29 x 235 carcassliteskin compoundonestar colourblack skinlite psi23 50technolog