Tube TUBOLITO S-MTB 27.5x1.8/2.5 FV/PV 42mm DISC 43g

lightest and smallest MTB tube worldwide
extremely small packing size because of removable valve (Ø 3,5 x 5 cm)
same puncture resistance as standard butyl tubes
perfect spare tube (also for tubeless setups) - super compact

Even lighter and more compact: the perfect spare tube. Due to a removable valve S-Tubo-MTB’s can be rolled up to an extremely space saving size (Ø 3.5 x 5 cm). Despite a very light overall weight of only 45 g (29”) they are as puncture resistant as standard butyl tubes for everyday riding and are also perfect to use as a spare tube for riders using a tubeless system. Ready for disc brakes.

Tube Material: thermoplastic elastomeer (TPU)
Max presure: up to 8 bar/115 PSI. 
NB!
Outside the tyre your tubolito hose should never be filled with a pressure above 0.5 bar. Otherwise, there is a risk that the tubolito will overstretch or burst.
Do not remove tubes and use them in differently sized tyres. For example we do not recommend that you use a tube in a 28mm road tire and then mount this same tube in a 22mm wide tire. The tube has a plastic deformation, meaning that it does not go back to its original shape after inflating in the tire.

Võrdluseks 
MAXXIS FLYWEIGHT 29x1.9/2.125 FV 116g
MAXXIS ULTRALIGHT 29x1.9/2.35 FV 48mm 156g
MAXXIS WELTERWEIGHT 29x1.9/2.35 FV 48mm 178g
CST 29x1.9/2.35 SV 244g