Bike Speedometer, Dual Scale Speed & RPM Monitoring

Details

• [DUAL SCALE DISPLAY] The dial features dual scales with a maximum speed reading of 60 km/h and RPM markings, letting you check both riding speed and wheel rotation speed instantly. One quick glance delivers two types of cycling data, perfectly meeting different riding reference needs for daily commutes or long distance rides.
• [BATTERY FREE MECHANICAL DESIGN] This bike computer uses a purely mechanical transmission structure needing no batteries, eliminating the hassle of frequent replacements and power failures. It operates stably in intense sunlight, rain, or low temperatures, ensuring reliable performance for long distance cycling and outdoor adventures.
• [COLOR CODED SPEED ZONES] Green and yellow zones clearly delineate speed ranges: green marks the low speed safe zone, while yellow warns of high speed. This allows you to instantly identify your pace even in bright outdoor light, helping you control speed and avoid overspeeding on busy roads or trails.
• [SECURE METAL HANDLEBAR CLAMP] Equipped with a metal locking clamp, it fits standard diameter bicycle handlebars and resists loosening or slipping on bumpy trails. The simple installation process and excellent fastening make it perfect for both daily commuting and off road riding without worry.
• [BUILT IN MECHANICAL ODOMETER] The integrated mechanical odometer records total cumulative mileage, making it easy to track monthly and annual riding distance. Monitor your training progress, plan bicycle maintenance, and meet all recording needs for fitness rides with this reliable vintage style gauge.