PZero™ Smartube Size:700-25/28C (60mm) 2 red LED's in back•

2 red LED's in back• 3 modes (offset constant blinking

Shock Absorber system between the shell and rail reduces road shock and vibration

Lazer Grip:Lazer Grip

It retains its shape

Great for easy or intense cardio workouts

PZero™ Smartube Size:700-25/28C (60mm) 2 red LED's in back•P ZERO SmarTUBE is the most advanced inner tube in our range. It was designed to match the need for lightness and handling of professional World Tour riders and its first application was inside the P ZERO Race Tub SL. It is now also available for every amateur cyclist The standard butyl inner tube has been replaced with TPU (Thermoplastic Polyurethane), an advanced plastic material characterized by elasticity and mechanical strength. The result is an