29x1.9/2.5 mm Presta Valve Inner Tube 48 mm size-g-2-n-25009-b-2326 the most versatile Compatible with

the most versatile Compatible with Shimano

Polarising lens: reduces reflections from bright surfaces

wearing a balaclava is more hygienic

The special non-slip treatment is protected by a film that is removed before putting it on the racket

Perfect for long days on the trails

29x1.9/2.5 mm Presta Valve Inner Tube 48 mm size-g-2-n-25009-b-2326 the most versatile Compatible withThis inner tube is compatible with 29" diameter tyres, with a cross section ranging from 1. 90 to 2. 50 with a 48 mm Presta valve. Choosing an inner tube: To take proper care of your bike, it's important to know the exact dimensions of your tyres. You'll find this information on the tyre sidewall (diameter and cross section). For example, 29x1. 90 means that the tyre is 29 inches in diameter and 1. 90 inches wide. On the tyre sidewall you will also