TPU Ultralight 59g Gravel Tube 700x32-45C 48mm Threadless Black Valve

Made from TPU (Thermoplastic Polyurethane) which is not only light in weight but offers great road feel with greater puncture protection and blowouts  than a standard tube. 

TPU offers a 30% higher elongation rate, unique R-angle design of the inner tube, great air retention. 

ONLY FOR USE WITH DISC BRAKES