Heavy Duty Tube 275/300-21 80/100-21 Tr 4 Valve Stem

Features:

• Taper Tube Technology offers variable tube thickness to keep weight down and put strength where you need it.


• Less unsprung weight and better cooling


• The latest in tube technology


• Built with a high grade synthetic and natural rubber blend


• Heavy outer thickness tapers to a thinner, lighter thickness against the rim