MAGT Bike Speedometer, Durable Metal Plastic Bike Computer ssic Vintage Style Pure Mechanical Speedometer for 26/27.5/28/29 Inch Bikes

Mechanical speedometer: This is a bicycle or tricycle general mechanical speedometer, it is a practical bicycle equipment made of durable metal Multi Functions: This Cycling Computer can display total mileage and single mileage(The knob on the side can clear the distance of a single trip to zero) Scope of application: This mechanical speedometer works for 26/27.5/28/29 inch bikes, be sure to check your bike size before you buy it Data Display: This Bicycle speedometer pure mechanical bike computer, not only has good quality, but also has accurate data Simple Operation: Our bike computer accessories are complete and easy to install, you can do it by yourself without any effort