Description: It can also be used as a bicycle wrist cover alone. The stem cap is made of high quality aluminum alloy, durable and long service life. You can be installed the top cap on your bicycle pole, it can install different types of computers, easy to install and easy to use. It is suitable for the diameter of the stem tube about 28.6 mm. Suitable for cat eye computers for Garmin, for Bryton. Great accessories for road bicycles and mountain bikes. Specification: Material: plastic+aluminum alloy Color: black, red, blue, gold, titanium Size(approx): Suitable for valve stem diameter: about 28.6 mm / 1.1 inches Suitable model: for Garmin series, for Bryton series Process: CNC anode Package: 1 pc x Stem top cap for Garmin 1 pc x Stem top cap for Bryton 2 pcs x Adapter 3 pcs x Screw Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.