Pirelli Scorpion MTB SmarTube - 29 x 1.8-2.3

The inner tube for the most extreme mountain bikers, the perfect spare tube for space and weight saving when hitting the trails. Scorpion SmarTube is the mountain bike specific inner tube that blends the innovative features of TPU (Thermoplastic Polyurethane), a specific formulation for the riders that are looking for the best balance between protection against punctures, weight and volume. Scorpion SmarTUBE is a one-of-a-kind inner tube: low weight and volume combine with a high level of reliability not available with an equivalent butyl tube. The perfect solution for marathon racers and trail and Enduro riders that are looking for a lightweight, more puncture resistant and compact spare tube.NOTE: Not for use with rim brakes. Valve length 42mm.