Wireless GPS Waterproof Bike Computer with Speedometer and Odometer ROCKBROS Adaptor This provides added safety and

This provides added safety and increased comfort on every ride

The ankles are protected against crippled feet and the socks are non-slip

Special thermoplastic elastomer ring offers exceptional tear resistance and elasticity

Recommended duration of use: 4 hours of long-distance driving

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Wireless GPS Waterproof Bike Computer with Speedometer and Odometer ROCKBROS Adaptor This provides added safety andPrecise Positioning: Our bike computer features an integrated positioning system with higher sensitivity, accuracy, and faster positioning. GPS enables real time location tracking and provides precise navigation and route information for a smooth and safe riding experience. Multi Data Monitoring: Tracks speed, heart rate, mileage, and cadence, and can be connected to external devices such as power meters via ANT+. 2. 9 inch Display: With a 2. 9 inch