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 doesn't add weight on the trails
• Do not use with rim brakes
• Labeled Size: 27.5 x 2.2 - 2.6
• ISO Width (mm): 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66
• Shaft Type: Smooth
• ISO Diameter: 584 / 650b / 27.5"
• Valve: Presta Med 41-55mm
• Valve Core: Removable
• Weight: 95
• Tube Compound: Thermoplastic Elastomer