The Scorpion ™ SmarTUBE is the mountain bike tube that uses all the innovative properties of TPU (thermoplastic polyurethane) and was specially developed for bikers who are looking for the best balance between puncture resistance, weight and size. It is a unique tube its kind: weight and volume reduced to a minimum with a reliability that can never be achieved by equivalent butyl hoses.
Compatible with tire size: 46/58-622
Valve: Presta 42 mm
Tire size: 29" x 1.8/2.2