Pirelli Scorpion SmarTube Tube – 29 x 1.8 – 2.2 42mm Presta Valve. 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.

• SmarTube offers low weight and volume combined 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 resistant and compact spare tube
• The volume of the Scorpion SmarTube is up to 50% less than an equivalent butyl tube making it the ultimate spare tube: it saves space and doesnt add weight on the trails
• Do not use with rim brakes

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