Aeron City/Tour UltraProtect 28" AV, 37-50 mm

For touring and everyday cyclists with a need for safety - you can't get more puncture protection than this

• Protection Level 6: Durability / Performance uncompromising combination of extremely high puncture safety and unparalleled durability with maximum air retention and low weight.
  
• Up to 51 percent lighter than conventional tubes
  
• Helps save energy and ride faster
• Approved for tyre widths of 37 - 50 millimetres
• Multi-layer construction
  

Features:

• Size: 28" (700C)
• Tyre width: 37-50 mm
• Valve/-length: AV 40 mm
• Brake type: Rim and disc brake
• Weight: 110 g
• Valve shaft material: Polymer