Material: Aluminum Alloy + Rubber;
Dimension: 5 x 1.7cm/2" x 0.7"(L*D)
Package Include: 4 Pcs x Tubeless Valve Stems.
Assembly Instructions:
Clean both inside and outside of valve stem hole on rim and valve housing.
When inserting valve onto the rim, taking care not damage the gasket at the base of the valve stem.
Attaching the nut inside of the rim to the valve stem threaded body.

Note:
The valve stem torque is setting for 7Nm to 10Nm.
Excessive torque may damage the all aluminum valve stem threads.