The air chamber 20" of the OnBike is an air chamber for bikes as a child with tyres 20 x 1,75 - 1,90 - 2,125 with a universal valve.

Formed by a led, circular, continuous, and flexible, which allows it to expand at the time of entry of the air, so as to bring pressure to the tire in which it is inserted, and a valve Italy - Queen with a special locking system that allows for inflation.

This air chamber is specially designed for the tires of bicycles from child to 20".

Measurement: 20" x 1.75-2.10
MTB - BMX
ETRTO 47-406
Valve Italy Queen 28 mm