Machined Aluminum Presta Valve Cap Dust Cover for Bicycle wheels and tubes. It is Ultra Lightweight coming in at 0.6 grams each. They have a guaranteed True-fit and have a diamond grip for easy installation. The surface is anodized so you know the color will last.
Length (inches): 0.5
Width (inches): 0.25
Height (inches): 0.25
Weight: 1.6oz