Standard inner tube VS 44 54-507 Smart Tube

Fills multiple punctures repeatedly over 2 years
Fills punctures of up to 3 mm in the tread
Non-toxic and non-flammable
Cleans up with water

Model: SMART TUBE
Bike tire width in mm: 44/54
Compatible tire diameter in inches: 24
Compatible tire width in inches: 1.75 / 2.125
ETRTO compatible tire dimensions: 44/54-507
Valve : Schrader
Valve length in mm: 35
Removable obturator: Yes
Preventive fluid: Yes
Inner tube material: Butyl
Weight in grams: 229
Practical: Children