ROCKBROS C3 2-in-1 Speed and Cadence Sensor ANT+ Bluetooth Black

The ROCKBROS C3 2-in-1 Speed and Cadence Sensor is a versatile cycling sensor that combines speed and cadence measurement in one compact device. It supports both ANT+ and Bluetooth 4.0 (BLE) connectivity, making it compatible with a wide range of GPS bike computers, smartphones, smartwatches, and popular cycling apps like Zwift, Strava, Wahoo Fitness, and Garmin Connect. The sensor is easy to install without tools using rubber bands and requires no magnet. It features a multi-color LED indicator (red for speed, green for cadence) and is rated IPX7 waterproof for reliable performance in all weather conditions. Powered by a CR2032 battery with up to 500 hours of life, it operates in temperatures from -10°C to 50°C and has a wireless range of up to 10 meters.

Advantages

Combines speed and cadence in one sensor, saving space and cost. Dual wireless connectivity ensures broad compatibility. Tool-free installation and no magnet required make setup quick and easy. Long battery life and IPX7 waterproof rating provide durability and reliability.

Suitable for

• Cyclists who want to track speed and cadence for training or performance analysis
• Users of GPS bike computers, smartphones, or smartwatches with ANT+ or Bluetooth
• Indoor and outdoor cycling, including use with apps like Zwift and Strava

Key specifications

• Sensor Functionality: Speed & Cadence (2-in-1)
• Wireless Connectivity: ANT+, Bluetooth 4.0 (BLE)
• Battery Type: CR2032 Button Cell
• Estimated Battery Life: Up to 500 hours
• Waterproof Rating: IPX7
• Operating Modes: Speed Mode, Cadence Mode (switchable)
• Compatibility: GPS Bike Computers, Smartphones, Smartwatches, Cycling Apps
• Supported Apps: Zwift, Strava, Wahoo Fitness, Garmin Connect, etc.
• Installation Method: Tool-free, Rubber Band Mount
• Indicator Light: Multi-color LED (Red for Speed, Green for Cadence)
• Material: ABS Plastic
• Operating Temperature: -10°C to 50°C (14°F to 122°F)
• Wireless Range: Up to 10 meters (33 feet)
• Data Transmission: Real-time
• Mounting Position: Wheel hub (Speed), Crank arm (Cadence)
• Magnetic Requirement: No magnet required
• Color: Black

Recommendations

For optimal performance, ensure the sensor is securely mounted and the battery is fresh. Pair with your device following the manufacturer's instructions. The sensor is designed for use with standard bike wheels and crank arms.