Common cause of puncture welcomer — acting limit switches rim spokes. A protective ring belts rubber, mounted on rims of plants-izgotovitelej, a little stretchy, but over time, harden and break.
A reliable replacement could be the same ring from an old inner tube from the “Lada”. They are cut on either side of the large diameter of the camera — it turns out two great strips with a width of 17 mm.
Recommend to read
HIMSELF HOLDS
Hang a hook or bracket to a hollow wall (for example, sheathed with plastic or plywood) is always a problem: fixture does not hold in this place is quickly loosened and popping up....
THE LEGENDARY “VARYAG”
Exactly one hundred years ago the name of this ship became known around the world. On the morning of 9 February (January 27 old style), 1904 the cruiser "Varyag" was on the RAID of the...