Birchmeier 10914601 Piston Tube, Brass

IMPORTANT NOTE: This part fits only the old style Birchmeier Backpacks.  It does NOT fit the AT-style backpacks.

When the Birchmeier piston tube becomes scratched or worn, the backpack cannot develop pressure.  Be sure to keep your Birchmeier backpack well-lubricated with authentic BIrchmeier Grease, sold separately.

Download the Birchmeier Backpack Parts Breakdown