Michelin 16" - 400A inner tube

Butyl inner tube

ETRTO 32/37 - 340/349
400x35

16 x 1 3/8

Butyl is a synthetic rubber that offers safety and reliability,
with good puncture resistance and better pressure resistance than latex.
Presta valve with 29mm non-removable thread.

Ref: H3

Sold in its beautiful cardboard box.