No need to charge or batteries, just install on your bike to read the speed and RPM. This mechanical bike speedometer will be a great tool for cycling training.
Features:
Great for 26in, 27.5in, 28in and 29in wheels.
3.0in ultra big gauge, clear number and pointer.
Classical mechanical bike speedometer no need to charge or batteries.
Great tool on general bike or exercycle for training.
Specifications:
Material: ABS
Item size: 7.8 * 5.1cm / 3.0 * 2.0in
Item weight: 153g / 5.3oz
Wire length: 70cm / 25.5in
Package weight: 331g / 11.6oz
Package size: 9.5 * 9 * 8cm / 3.7 * 3.5 *3.1in
Package List:
1 * Bike Speedometer
1 * Rubber gasket
1 * Cable
1 * Accessory