Protects against puncture.

Rubber membrane which is placed between tire and tube.

Chose between the following sizes:

19mm width and 2200 mm long. Fits to racerbikes

​(700c x 19 - 25 mm) - 35g

27 mm width and 2200 mm long. Fits to City bike with more

(700c x 28 - 38 mm) 60g

Mountainbikes (700c 38 - 47 mm and MTB 26x1,75 here you just need to shorten the length if needed.) - 75g

34 mm width and 2300 mm long. Fits to mountainbikes (29") - 90g

Set of 2 pieces