Included with the CC-RD310W
It becomes an analog wireless speed sensor.
Compared to the analog wireless speed sensor SPD-01,
Ultra thin design with 47% down thickness.
Analog wireless speed sensor
Works with all analog wireless models but
Not for use on vehicles with a wide gap between the SPD-02 front fork and spokes.
The distance between the fork and the spokes is about 0.5 - 0.7 inches (12 - The distance between the sensor and the main unit is up to 23.6 inches

From the Manufacturer

Speed Sensor SPD-02

Compatible Model: Compatible with analog wireless models.

However, it may not be compatible with bikes that are wide between the front fork and spoke.

The distance between the sensor and the computer is up to 23.6 inches (60 cm), the distance between the front fork and spokes is about 0.5 - 0.7 inches (1

	CC-GPS200 AVVENTURA Computer	CC-RD500B Stradus Smart Computer	CC-PA400B Padrone Digital Computer	CC-PA110W PADRONE+ Cyclocomputer	CC-MC200W Computer	CC-VT235W Cyclocomputer
Features	Japanese compatible with a long life span of about 80 hours. GPS measurement greatly increases the measurement and speed sensorless	Use a variety of data using a dedicated app that connects to your smartphone.	The large screen makes it easy to read the letters with cadence measurement function.You can use the optional heart rate sensor to measure your heart rate.	Large Screen with Large Letters, Simple Operation, Wireless Computer with Steady On Backlight	Wireless computer with backlight for customization of your own screen	Simple and easy to use wireless entry model with backlight
Measurements	Driving speed, average speed, maximum speed. *Minimum speed when measured by GPS is 3.0 km/h, mileage distance, accumulated distance, departure location, negative navigation distance, countdown distance, real-time intersection, and many other functions.	Running Speed [Small] Driving Time [Tm] Mileage [Dst] 2 [Dst2] Average Speed [Av] Maximum Speed [Mx] Combined Distance [Odo] Clock Transmission Distance Pace Arrow	Travel Speed [Small] Driving Time [Tm] Mileage [Dst] 2[Dst2] Average Speed [Av] Maximum Speed [Mx ] Stacked Distance [Odo ] Cadence [C] Maximum Cadence Average Cadence Heart Rate [H] Maximum Heart Rate Average Heart Rate Watch Pace Arrow	Running speed, Travel time [Tm] Mileage [Dst] Average speed [Av] Maximum speed [Mx] accumulated distance [Odo] Clock: Stopwatch Transmission distance: Approx. 7.9 - 27.6 inches (20 - 70 cm), Energy saving function: Integrated distance input, Backlight: Yes (Night mode)	Driving Speed [Small] Driving Time [Tm] Mileage [Dst] 2 [Dst2] Average Speed [Av] Max Speed [Mx] Combined Distance [Odo] Stopwatch Clock Pace Arrow	Running [ S ] Running time [ Tm ] Driving distance [ Dst ] Average speed [ Av ] Max speed [ Mx ] Calories Burned [CAL] accumulated distance [Odo ] Clock Pace Arrow
GPS	✓
Bluetooth ANT+ Sensor	✓	✓	✓
CAT EYE Atlas	✓	✓	✓
Auto Start			✓	✓		✓
Backlight	✓			✓	✓	✓
Stopwatch				✓	✓
Screen Customization	✓	✓	✓		✓
Accessories	Bracket Bracket Rubber Band 2 Rubber Bands USB Cable (Micro USB) Start Guide	Bracket Bracket Rubber Pad Bracket Band Dial Start Guide	Bracket Rubber Pad Bracket Band Dial Speed Sensor (ISC-12) Sensor Rubber Band Wheel Magnet Cadence Magnet 5 Nylon Ties Instruction Manual	Bracket Band Bracket Rubber Pad Bracket Dial Analog Speed Sensor Rubber Pad Magnet 2 Nylon Ties Instruction Manual	Bracket, Rubber Pad, 3 Rubber Bands, Speed Sensor (SPD-02), Sensor Pad, Magnet, 3 Nylon Ties	Bracket Band Bracket Rubber Pad Bracket Dial Speed Sensor Rubber Pad Magnet 2 Nylon Ties Instruction Manual