Reinforced inner tube.
The must in air chamber, very resistant!
30° elbow valve.
For all 12 inches tires: 3.00, 3.50, 90/90, 100/80, 100/90, 110, 120 and 130.
Noted 3.00 and 3.50-12 on the box but we have mounted and tested this tube in tires up to 140 wide without any problem.
