Panaracer R'air Inner Tube

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

47% more elasticity over standard butyl tubes
Compatible with 20 x 7/8 and 20 x 1-1/8 (451)
Valve Length: 32mm
Valve: Presta
Lightest 451 Tube in the Market
Made in Japan
Approx Weight: 60g