Features:

CNC treated caps;
Aluminum valve caps;
Prevent gas leakage; also embellish your pretty bicycle;

Installation:
Just spin it on your Presta valve stem.

Specifications:
Material: aluminum alloy
Color: As Shown
Quantity: 10pcs
Product size: 18 X 6 X 6mm/0.71 X 0.24 X 0.24"
Gross weight: about 8g

Package Content:
10 X Bicycle Caps