CooSpo-Tech BK805 User manual

User Manual
Bicycle Speed & Cadence Sensor
English Ver: V0.6

1 Standard Accessories
Main Device x1
Crank Magnet
x1
Spoke Magnet
x1
Cable Ties
x6
Screw Wrench
x1
Battery Cover Tool
x1
Rubber Pad for
Main Device x1
Battery Door
Tool x1
User Manual
x1
(CR2032 battery installed)
- 1 -

2 Accessories Installation Diagram
Crank Magnet (Detect the cycling
cadence)
Main Device (Detect the cycling cadence and
speed, and transfer real-time data to smart
phone or sports watches or bike computer
via Bluetooth and ANT+.)
Spoke Magnet (Detect the cycling speed)
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2.1 LED Light & Magnetron Sensing
Position
LED Light
The sensing position of the
crank magnet (cadence sensor)
The sensing position of the
spoke magnet (speed sensor)
The device has a testing mode, it can help users verify whether the
magnet and sensor are installed correctly.
In order to enter the testing mode, the sensor needs to reinstall the
battery(please refer to page 8 “Battery Replacement” ) . It is
recommended that each time the device is installed, reinstall the battery
to make the sensor enter the testing mode, so that can verify whether the
installation is correct.
In the testing mode, if the speed sensor(Spoke magnet) is installed
correctly and rotates the wheel, the LED light will flash blue, if the
cadence sensor(Crank magnet) is installed correctly and turn the crank,
the LED light will flash green.
The testing mode will last for 15 minutes after the battery was installed.
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2.2 Accessories Installation
❶Install the crank magnet on the crank and fix it with two cable ties
(Before determining the position, don’ t tighten the ties until you get
proper position, the following operations are the same).
❷Install the rubber pad onto the main sensor.
- 4 -

❸Align the sensing position of the cadence sensor with the crank
magnet, and install it as the picture shows below, fix it with cable ties.
❹Attach the groove of the spoke magnet to the bicycle spoke, align it
with the sensing position of the speed sensor, and tighten it.
- 5 -
Groove

❺Check whether the crank magnet and spoke magnet are aligned with
the sensing position of the sensor, and the distance between them
should be less than 30mm, and fix the tail of the sensor with screw
wrench.(Notice: When rotating the tail, don't force it to exceed the
rotation range, to avoid damage to the device).
<30mm
<30mmFix the tail of the sensor
- 6 -

❻Check whether the installation is successful. Turn the crank and the
back wheel of the bicycle, speed LED shows blue color, cadence LED
shows green color. After confirming that the installation is successful,
tighten the cable ties and cut off the excess parts, and fix all the
accessories with the rubber band.
LED Light
- 7 -

3 Battery Replacement
❶ Using the battery cover tool, rotate
battery door to the OPEN direction to
take off the battery door.
❷Remove the battery, and properly
dispose of the battery according to
the local regulations.
❸Install the new battery (pay attention
to the positive and negative poles),
and use the battery cover tool to
rotate the battery cover in the
opposite direction of OPEN.
To avoid danger, batteries should be kept
away from the children's area.
This Bluetooth bicycle speed and cadence sensor uses CR2032 button
battery, it has been installed in the main device, the life of the battery is
500 hours. If the device cannot be detected, you can consider replacing
the battery.
- 8 -

Wahoo Fitness / Runtastic Pro / Zwif / UA Run / Openrider Strava /
Endomondo / ZWIFT.(Notice: After these Apps has been updated,
there may be incompatibility, please refer to the latest test)
4 Specifications
Android 4.3 or above with Bluetooth 5.0
IOS 9.0 or above, iPhone 4s model or above
19.2 g
Weight Battery Life
Waterproof
500 hour
IP67
Bluetooth5.0& ANT+
Wireless
Distance Bluetooth 5.0:25 m
ANT+:10 m
LED Light Red, Blue,
Green
Size 102.4*44.8*25.4mm
Battery Type CR2032
Applicable Smart Phones
Compatible with multiple App
- 9 -

5 FAQ
●If there is cadence or speed data missing, please check the position
of the magnet and sensor installed, please refer to the "2.2
Accessories Installation " to adjust until the data is normal.
●The Bluetooth 5.0 and ANT+ protocol of the bicycle speed / cadence
sensor can work at the same time, if you want to connect the smart
phone and sports watches separately, please make sure that the
device you are connecting has Bluetooth 5.0 and ANT+.
●The device compatible with a variety of popular fitness Apps, about
how to connect, please refer to the instructions of the App.
●The information contained in this manual just for reference. The
product described above may be subject to alteration owing to the
manufacturer's continuing research and development plans, without
making an announcement in advance.
●We shall not bear any legal responsibility for any direct or indirect,
accidental and special damages, losses and expenses arising from or
in connection with the use of this manual and the product described
in this manual.
6 Disclaimer
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NOTE: This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.
This manual suits for next models
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