Standard air chambers Standard butyl, ideal for daily use and training. These air rooms are produced using high quality rubber, have a uniform thickness of 0.90mm and keep the pressure for a long time.

• Air chamber in butyl for everyday use.
• Excellent resistance to punctures and maintains the desired air pressure.
• Shoulder thickness: 0.9mm.
• Size: 700x28/42.
  
• Valve: PRESENTA / FRENCH RVC 48.
• Weight: 163g.