Heavy-duty valve inner tube P2R Roccia Presta Noir 205874

EXTRA STRONG ROCCIA INNER TUBE MTB 29X2.0-2.6.WEIGHT 179G APPROX.The NXT ROCCIA EXTRA RESISTANT tubes in TPU are the evolution of the NXT.They are ideal as a puncture resistant chamber.Thanks to our tests that you find on our website, the ROCCIA HAVE PROVED UP TO 3 TIMES MORE RESISTANT THAN NORMAL BUTYL TUBES.They are also lighter and more compact... morethan a normal butyl chamber.The rolled up 29´´ MTBs are about 60 mm by 80 mm.+ the valve and weigh about 179g.WARNING DO NOT INFLATE OUTSIDE THE TIRE TO MORE THAN 0.3 BAR!.TPU is an innovative thermoplastic material, it guarantees better resistance to puncture, greater lightness and smoothness compared to common butyl.The valve has a diameter of ~ 6.2 mm.Compatible with tyres:29´´ from 2.0 up to 2.6.COMPATIBLE WITH ALL TYPES OF BRAKES.