Panaracer R'Air Inner Tube (700x31/35C - Presta Valve 48mm)

Panaracer’s R-Air Ultralight innertubes weigh less than many latex tubes. Produced with a special Butyl compound, they do not lose air and do not sacrifice puncture resistance.

Features:

• 47% more elasticity over standard butyl tubes
• Size: 700 x 31-35c
• Valves: 48mm
• Weights: 78g 
• Made in Japan