Zefal Bicycle Tire Protection Z Liner

For those whom get tired of changing their tubes.

Softer sides are reinforced for a better in-tire fitting
X-tra perforation resistant
Lighter material

Use :
MTB (green) 26 & 24 & 16 & 20 - 34 mm / 75 g x 2
MTB(blue) 26 & 20 31*2100mm
Hybrid (yellow) 700c  & 27 - 27 mm /60 g x 2
Road (grey) 700c  & 27 - 19 mm / 35 g x 2