Freedom "Ultralight Green" TPU Gravel Inner Tube - 59g Size:60mm Valve this indicates an airtight seal

this indicates an airtight seal

and we also increased the spoke count to 24 on both front and rear wheels

Keep your braking smooth

This helps to allocate stiffness and flex where needed

Freedom "Ultralight Green" TPU Gravel Inner Tube - 59g Size:60mm Valve this indicates an airtight sealMade 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. For 700 x 32 45c tyres. For use with disc brakes only Presta valve only Stem Length: 48mm or 60mm