27.5x1.9/2.5 Schrader Valve Inner Tube 48 mm size-g-13-n-26290-b-1592 Properly pitched

Properly pitched

Mats that unroll on their own are quite annoying

Then remove the buckles (two blue and two brown)

Following several years of experiments

for training with peace of mind

27.5x1.9/2.5 Schrader Valve Inner Tube 48 mm size-g-13-n-26290-b-1592 Properly pitchedThis inner tube is suitable for 27. 5" diameter tyres with 1. 90 to 2. 50 section with a 48mm Schrader valve. Choosing an inner tube: To take proper care of your bike, it's important to know the exact dimensions of your tyres. This info appears on the tyre sidewall (diameter and section). For example, 27. 5 x 2. 20 means your tyre is 27. 5 inches in diameter and 2. 20 inches wide. On the tyre sidewall you will also find the dimensions in mm in ETRTO