1. Introduction
The CYCPLUS C3 is a versatile dual-mode sensor designed to accurately measure either your cycling cadence or speed. Featuring both ANT+ and Bluetooth 5.0 connectivity, it is compatible with a wide range of bike computers, smartwatches, and cycling applications. This manual provides detailed instructions for setup, installation, operation, and maintenance to ensure optimal performance.
2. Package Contents
Please check the package to ensure all items are present:
- Cadence or Speed Sensor (1 unit)
- CR2032 Battery (1 unit, pre-installed)
- Rubber Mat (2 units: 1 curved, 1 flat)
- Rubber Band (2 units)
- User Manual (This document)
Figure 1: Package Contents
3. Setup and Installation
3.1 Initial Activation and Battery Installation
- Open Battery Cover: Push the battery cover's protrusion to the center position and then gently open the battery cover.
- Remove Insulation: Remove the transparent insulation spacer from the battery compartment.
- Reinstall Battery Cover: Place the CR2032 battery (positive side up) into the compartment. Align the battery cover's protrusion to the center position and press it down firmly.
- Secure Cover: Push the battery cover's protrusion to the left or right to lock it securely.
Important: When switching modes by turning the battery cover, please hold the cover with your hand to prevent it from popping up when passing through the gap in the middle. Handle the battery cover tabs carefully to avoid breakage.
3.2 Switching Between Speed and Cadence Modes
The CYCPLUS C3 sensor can operate in either Speed mode or Cadence mode. You can switch between modes by rotating the battery cover:
- Speed Mode: Rotate the battery cover until the sensor's LED indicator flashes blue.
- Cadence Mode: Rotate the battery cover until the sensor's LED indicator flashes green.
After switching modes, the indicator light will flash for 10 seconds to confirm the selected mode.
Figure 2: Mode Switching Diagram
3.3 Sensor Installation
Ensure the sensor is in the correct mode (Speed or Cadence) before installation.
3.3.1 Speed Mode Installation (on Wheel Hub)
- Select Speed Mode (blue light).
- Attach the curved rubber pad to the bottom of the sensor.
- Securely attach the sensor to the front or rear wheel hub using one of the provided rubber bands. Ensure it is firmly in place and does not interfere with spokes or other components.
- Note: For speed measurement, the hub width must be more than 38mm for proper fitment.
Figure 3: Speed Sensor Installation Example
3.3.2 Cadence Mode Installation (on Crank Arm)
- Select Cadence Mode (green light).
- Attach the flat rubber pad to the bottom of the sensor.
- Securely attach the sensor to the inside of either crank arm using one of the provided rubber bands. Ensure it is firmly in place and does not interfere with pedaling or the bike frame.
3.4 Pairing with Devices
The CYCPLUS C3 sensor supports both ANT+ and Bluetooth 5.0 protocols.
- Activate Sensor: After installation, rotate the wheel (for speed) or crank (for cadence) a few times to wake up the sensor. The LED indicator will flash.
- On Your Device:
- Bike Computer/Smartwatch: Go to the sensor pairing menu on your device (e.g., Garmin, Wahoo, XOSS, Bryton). Select to add a new speed or cadence sensor. The device should detect