Pirelli Scorpion SmarTube Tube - 29 x 1.8 - 2.2 42mm Presta Valve Model=Ratchet Rocket Essential HD Multi -Tool Semi-open center blocks shed mud

Semi-open center blocks shed mud and reduce rolling resistance

Adjust the tension or lock it out to tailor each ride to your preference based on payload capacity and weight distribution

Bar end shifter with expander wedge to secure inside handlebars

Housed in a rugged reusable case

Pirelli Scorpion SmarTube Tube - 29 x 1.8 - 2.2 42mm Presta Valve Model=Ratchet Rocket Essential HD Multi -Tool Semi-open center blocks shed mudScorpion 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