21 X 4.50 Inner Tube Set, Metal Stem with Nickel hardware, for Wood Wheel

This set includes one original style, heavy duty inner tube with a metal stem as well as the four piece, Nickel plated, mounting hardware set.
Bias ply tube with a center brass valve stem, Stem width .5”, Stem height 3”
For wood wheels only.

NOTE: To protect your tube from chaffing, pinching and mounting tools we highly recommend you always use a rim flap, part# RF3, not included.