Size:
28*11/2
12*1.75/1.95/2.125
14*1.75/1.95/2.125
  16*1.75/1.95/2.125
  20*1.75/1.95/2.125
  22*1.75/1.95/2.125
24*1.75/1.95/2.125
  26*1.75/1.95/2.125
  26*13/8
Material: natual rubber, butyl rubber