Specification:

Features:
This is a or tricycle general mechanical speedometer, it is a high-quality equipment made of aluminum alloy.           
Pure mechanical bike computer, not only has good quality, but also has accurate data.                
It works for 26/27.5/28/29 inch bikes only, be sure to check your bike size before you buy it.                                                             
Our product accessories are complete and easy to install, you can do it by yourself without any effort.
The must instrument you should need for your bike , and you'll find it useful.
Specification:
Condition: Brand New
Material: Aluminum Alloy
Color: Black
Size: Approx. 11 * 8 * 8 cm / 4.3 * 3.1 * 3.1 in
Weight: Approx. 333 g Installation Conditions: A quick release lever or a large front wheel clearance is required for installation.
Package List:
1 * Computer
Note: 
Only the Computer, bike others are just Photography Props.