ITEM NAME:Mechanical Odometer Speedometer Resettable RPM For Bicycle Bike Motorcycle A1Y5 Mechanical Odometer Speedometer Resettable RPM For Bicycle Bike Motorcycle A1Y5 Mechanical chronograph stopwatch beating without electronic data, measured data is more accurate, from the car to allow you to ride more with feeling. It can be reset. It can be hung on the left or right side of the bicycle Speed in RPM Bayonet size of about 2cm. Color:Black Shape:Round Material:Metal and plastic Size:Diameter 8cm, height 5.2cm Weight:335g Fit for:Ridding Package Included:1 x set speedometer kit Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
