GIANT GT19PWRPRO Bicycle Power Meter User Manual
Giant Manufacturing Co., Ltd. Bicycle Power Meter
GIANT >
User manual
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Bicycle Power Meter
User Maual
Power Pro-R、Power Pro-L
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Table of Contents
Important notice before riding ______________________________________________________ 2
Service and technical support ______________________________________________________ 2
Water resistance capability ________________________________________________________ 2
Specifications _______________________________________________________________________ 3
Download Giant Cycling Power App __________________________________________________ 3
Firmware information ________________________________________________________________ 3
Giant Power pro light indications __________________________________________________ 4
Charging Instructions _____________________________________________________________ 4
ASSEMBLY CHECKING and pairing preparation ________________________________________ 4
Pairing Giant Power Pro ____________________________________________________________ 6
Calibration/zero offset ____________________________________________________________ 7
Maintenance and cleaning _________________________________________________________ 8
Troubleshooting ___________________________________________________________________ 9
Giant limited warranty ____________________________________________________________ 10
Appendix A: Basic Operation of Giant NeosTrack computer __________________________ 11
Appendix b: The pairing procedures with SmartPhone App ___________________________ 11
Appendix c: calibration procedures with SmartPhone App __________________________ 12
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Important notice before riding
We strongly urge you to read the Bicycle Owner’s Manual in its entirety before your first ride. Read and make
sure that you understand every point in this manual, especially the “Safety” section. If you have any questions,
please contact your local authorized Giant retailer.
This user manual contains important safety, performance, and service information.
Please read the user manual before starting to use your new Giant Power Pro and keep it for future reference.
For your safety, we recommend that you to focus on your surroundings while riding. Avoid staring at the
computer screen. This may compromise your traffic awareness, and possibly lead to serious accident.
Service and technical support
Please ensure that the Giant Power Pro has been paired with the cycling computer and has proceeded
Calibration/zero offset before use. Please refer the pairing and calibration section.
For the multi-language manuals and more information, please visit:
https://www.giant-bicycles.com/support
If you encounter difficulties or are uncertain about anything mentioned in
this user manual, please contact your local authorized Giant retailer.
To find one, or to learn more about Giant, go to www.giant-bicycle.com
Water resistance capability
The water resistance level of Giant Power Pro complies to the IPX7 standard which offers a waterproof level
of one meter immersion.
Warning: Do NOT immerse the power meter in water for a longer time.
Warning: Do NOT use the high pressure washers to clean the power meter directly. The high pressure
will cause the moisture to permeate the internals of the power meter and damage the electronic
components.
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Specifications
Battery
Rechargeable lithium battery
Wireless transmission
2.4GHz, ANT+™
Bluetooth® Smart (BLE 4.0)
Accuracy
±2% of measured power value
Weight
Left side: about 17g
Right side: about 27g
Power measurement range
0-2400 Watts
Cadence range
20-180 RPM
Water resistance level
IPX7
Operating environment temperature range
-10°C ~ 50°C / 14°F ~ 122°F
Storage environment temperature range
-20°C ~ 70°C / -4°F ~ 158°F
Accessory
Charging cable
Download Giant Cycling Power App
The Giant Cycling Power App is available for Apple® iOS and Android system*. Please go to the App Store or
Google Play to search Giant Cycling Power App and download it.
* Android system must be Android 4.4 or higher version.
Firmware information
Giant keeps developing and releasing the updated versions of firmware to provide the latest functions. The
latest firmware for Giant Power Pro can be updated by using Giant Cycling Power app. For more details and
information about firmware, please visit https://www.giant-bicycles.com/support.
How to upgrade the firmware by using Giant Cycling Power app:
1. Download the Giant Cycling Power app
2. Turn on the Bluetooth Smart of your Smartphone.*
3. Open the Giant Cycling Power app
4. Press to enter the parameter page
5. Press
6. Choose the device to update
7. Choose the updated file (zip)
8. Firmware update completed
* The device should support Bluetooth Smart (BLE 4.0).
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Giant Power pro light indications
There is one indicator LED light on every Giant Power Pro. This indicator light can show various conditions.
Indications of the LED light:
Indicator light blinks green 10 times: Battery capacity is more than 30% when waking the Giant Power
Pro.
Indicator light blinks green 10 times, then blinks green once every 5 seconds: Battery capacity is lower
than 30% of capacity when waking the Giant Power Pro.
Indicator light is constantly red: While charging the Giant Power Pro. Indicator light switches off when
charging is finished.
Indicator light does not show any green or red light: The battery may be damaged or have other
problems, please contact an authorized Giant retailer for assistance.
Charging Instructions
Rotate the crank arms one time in clockwise or counterclockwise direction to wake the Giant Power Pro. The
indicator light blinks green light for 10 times if it is in normal condition. When the battery capacity is lower
than 30%, the indicator light blinks green light once every 5 seconds. Please follow the steps for charging
your device.
Step 1: Prepare the charging cable, as shown figure 1.
Step 2:Attach the charging cable to the Giant Power Pro. The indicator light will be red light constantly while
charging is in progress, as shown figure 2
ASSEMBLY CHECKING and pairing preparation
Caution: Before riding on the road, please make sure and check the bottom bracket and the bolts of
crank arms are tightened to the correct torque value. Please refer to the specific technical manuals from the
Figure 1
Figure 2
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crank manufacturer for the correct torque values. If you encounter difficulties, please contact your local
authorized Giant retailer.
Step 3: check if all bolts are tightened to the correct torque value, as shown figure 3.
3-1 The standard torque value of M5 bolts left crank arm is usually 12-14 Nm. But please refer to the
specific technical manuals from the crank manufacturer to verify the correct torque value.
3-2 The M3 bolts are on the crank set for tightening the Giant Power Pro. The correct torque value is 3
Nm.
Step 4: Wake up the Giant Power Pro, as shown figure 4.
4-1 Rotate the crank arms clockwise or counterclockwise one time to wake up the Giant Power Pro. The
indicator light blinks green for 10 times.
4-2 If the indicator light blinks green once every 5 seconds after waking the Giant Power Pro, the battery
capacity is below 30% capacity. Please charge the battery.
Step 5: Pairing preparation.
5-1 Put the bike in horizontal position.
5-2 Keep the left crank arm in 6 o’clock position and the right crank in 12 o’clock position, as shown
figure 5-2 and 5-3.
Figure 3
Figure 4
Figure 5-2
Figure 5-3
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Pairing Giant Power Pro
Before pairing, please make sure the battery of Giant Power Pro is charged. Wake the Giant Power Pro by
rotating the crank arms one time in clockwise or counterclockwise direction and put the bike in horizontal
position as described at step 4 and 5. Please refer to the technical manuals of the cycling computer to pair it
with the Giant Power Pro. The procedures may differ between various computers.
Tip: Please refer to light indication and charging instruction sections for the details.
The following procedure is an example with a Giant NeosTrack cycling computer.
Tip: For the basic operation of Giant NeosTrack please refer to appendix A.
Tip: For pairing procedures with the smartphone app please refer to appendix B.
Step 6:Hold button to enter the menu
Step 7:Press to choose “Setup”. Press to enter it
Step 8:Press to choose “Bike Data”. Press to enter it
Step 9:Press to choose “Bike 1”. Press to enter it
Step 10:Press to choose “Sensors”. Press to enter it
Step 11:Press to choose Power. Press to enter it
Step 12:Press to enter “More” page
Step 13:Press to choose “Rescan”
Step 14:Press to start “Re-scan”
Step 15:When chosen device appears, pairing is finished.
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Calibration/zero offset
Before the calibration, please make sure the procedure of pairing with Giant Power Pro/Giant Power and
computer is finished. Please refer to technical manuals of the cycling computer to calibrate the Giant Power
Pro with cycling computer. The procedures may differ between various computers.
CAUTION: Please operate the calibration when assembling/disassembling the bottom bracket or cranks.
CAUTION: Please operate the calibration before every ride.
The following procedure is an example with a Giant NeosTrack cycling computer.
Tip: Calibration will only display when the power meter is activated and paired.
Tip: For the calibration procedures with smartphone app please refer to appendix C.
Step 16:After pairing successfully. Press to enter the “More” page.
Step 17:Press to choose Calibrate. Press to enter it
Step 6 Step 7 Step 8 Step 9 Step 10
Step 11 Step 12 Step 13 Step 14 Step 15
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Step 18:After calibration is completed. Press to save the setting.
CAUTION: The calibration is completed when the “Calibrate” value shows 0. A calibrated value of -1
indicates the calibration has failed.
Maintenance and cleaning
To ensure the functionalities of Giant Power Pro and not to affect the Giant limited warranty, please make
sure to comply with the WARNINGS and CAUTIONS listed below. Not complying with these recommendations
may result in damage to Giant Power Pro and void your warranty.
Warning: Only to clean the covers of the Giant Power Pro. Please do NOT disassemble the Giant Power
Pro this will void your warranty.
Warning: Please only clean the cover of Giant Power Pro with a clean cloth and water. Please do NOT use
corrosive detergent to clean as it may damage the cover.
Warning: Do NOT use the high pressure washers to clean the power meter directly. The high pressure
will cause the moisture to permeate the internals of the power meter and damage the electronic components.
Warning: Please do NOT expose the power meter to constant high temperatures.
CAUTION: The storage environment temperature range is between -20°C ~ 70°C / -4°F ~ 158°F. Damage
to the electronic components may occur if the storage temperature is out of range.
CAUTION: The operating environment temperature range is between -10°C ~ 50°C / 14°F ~ 122°F. The
functions may not be normal when the temperature is out of range.
Step 16 Step 17 Step 18
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Troubleshooting
If you encounter any of the following problems when using the Giant Power Pro, follow the suggestions and
contact authorized Giant retailer if the problems can’t be solved.
Possible problems and suggestions:
Q1: I can’t charge my Giant Power Pro.
A1: Please confirm if the charging cable is connected properly to the Giant Power Pro.
A2: Please confirm if no metal part of the charging plug is oxidized or damaged.
Q2: I can’t pair my Giant Power Pro with computer.
A1: Please check if the battery level of the Giant Power Pro is sufficient, if it is not enough, please charge
it.
A2: Please confirm if the Giant Power Pro is awoken successfully.
A3: Please confirm if your cycling computer has a pairing function.
A4: Please confirm if your cycling computer is ANT+™ compatible.
A5: Please enter Giant Power Pro ID manually.
Q3: The power value does not shown on my computer.
A1: Please check if the battery level of the Giant Power Pro is sufficient, if it is not enough, please charge
it
A2: Please confirm if the Giant Power Pro has been paired with your cycling computer.
A3: Please confirm the functions of the computer are normal.
A4: Please confirm if your computer has the functionalities to display power values.
Q4: Unusual calibration values show during calibration process.
A1: Please calibrate the Giant Power Pro again.
Q5: Unusual power values show on the cycling computer display (over high or too low value).
A1: Please confirm that the bolts of the cranks/Giant Power Pro are tightened to the correct value.
A2: Please calibrate the Giant Power Pro again
Q6: Unusual light indication
A1: The light is off: Please check if the pairing and cycling computer display are normal. If it works
properly, then the LED might be damaged. Please contact an authorized Giant retailer.
A2: Abnormal blinking: please contact your local authorized Giant retailer.
If the suggestions can’t solve above problems, please contact your local authorized Giant retailer.
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Giant limited warranty
Giant warrants it’s Giant Power Pro for a period of one (1) years from the date of purchase for the original
owner only.
This warranty applies only to this product when purchased new from an Authorized Giant Dealer and
assembled by that dealer at the time of purchase.
LIMITED REMEDY
Unless otherwise provided, the sole remedy under the above warranty, or any implied warranty, is limited to
the replacement of defective parts with those of equal or greater value at the sole discretion of Giant. This
warranty extends from the date of purchase, applies only to the original owner, and is not transferable. In no
event shall Giant be responsible for any direct, incidental or consequential damages, including, without
limitation, damages for personal injury, property damage, or economic losses, whether based on contract,
warranty, negligence, product liability, or any other theory.
EXCLUSIONS
The above warranty, or any implied warranty, does not cover:
Normal wear and tear on parts in situations where there are no assembly or material defects.
Consumable components including bolts and charging cable.
Products serviced by other than an Authorized Giant dealer.
Modifications of the product from its original condition.
Use of this product for abnormal, competition and/or commercial activities or for purposes other than
those for which this product was designed.
Damage caused by failing to follow the User’s Manual.
Paint, finish and decal damage resulting from taking part in competitions, jumping, downhill and/or
training for such activities or events or as a result of exposing the product to, or operating the product in,
severe conditions or climates.
Labor charges for part replacement or changeover.
Except as is provided by this warranty and subject to all additional warranties, Giant and its employees and
agents shall not be liable for any loss or damage whatsoever (including incidental and consequential loss or
damage caused by negligence or default) arising from or concerning any Giant product.
Giant makes no other warranties, express or implied. All implied warranties, including the warranties of
merchantability and fitness for a particular purpose are limited in duration to that of the express warranties
stated above.
Any claim against this warranty must be made through an Authorized Giant Dealer or distributor. The
purchase receipt or other proof of the date of purchase is required before a warranty claim may be processed.
Claims made outside the country of purchase may be subject to fees and additional restrictions.
Warranty duration and details may differ by country. This warranty gives you specific legal rights, and you
may also have other rights which may vary from place to place. THIS WARRANTY DOES NOT AFFECT YOUR
STATUTORY RIGHTS.
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Appendix A: Basic Operation of Giant NeosTrack
computer
1. BACK / STOP
• Press to return to the previous page or cancel an operation.
• When recording, press to pause recording. Press it again to stop recording.
2. OK / LAP
• In Menu, press to enter or confirm a selection.
• In free cycling, press to start recording.
• When recording, press to mark the lap.
3. ON OR OFF / BACKLIGHT
• Press to turn the device on.
• Press and hold to turn the device off.
•Press to turn on/off backlight.
4. DOWN / MENU
•In Menu, press to move down to scroll through menu options.
•In meter view, press to switch meter screen page.
•In free cycling mode, long press to return to Main Menu.
•When recording, long press to enter into Shortcut Menu.
5. UP
•In Menu, press to move up to scroll through menu options.
•In Meter view, press to switch meter screen page.
CAUTION: Please check the user manual of NeosTrack for more information.
Appendix b: The pairing procedures with SmartPhone App
1.Turn on the Bluetooth Smart function. Press to start scanning.
2. Device ID appears.
3.Choose device to pair, appears, pairing is finished.
* Please check if the smartphone supports Bluetooth Smart function (BLE 4.0)
FCC Warning Statement
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.
Any changes or modifications not expressly approved by the party responsible for compliance could
void the authority to operate equipment.
This device and its antenna must not be co-located or operating in conjunction with any other
antenna or transmitter.
End-users and installers must be provided with antenna installation instructions and transmitter
operating conditions for satisfying RF exposure compliance.
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.
IC Warning Statement
This device complies with Industry Canada’s licence-exempt RSSs. Operation is subject to the following
two conditions: (1) This device may not cause interference; and (2) This device must accept any
interference, including interference that may cause undesired operation of the device.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts
de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas
produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique
subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
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当該機器には電波法に基づく、技術基準適合証明等を受けた特定無線設備を装着している。
Translation: “This equipment contains specified radio equipment that has been certified to the
Technical Regulation Conformity Certification under the Radio Law.”
Hereby declares that under our sole responsibility, the products Giant Power Pro, comply with the provisions of
Directive 2014/53/EU.
The contents of EU declaration of conformity is available with printed paper and on Giant website: https://
www.giant-bicycles.com/support.
依據低功率電波輻射性電機管理辦法:
•第十二條經型式認證合格之低功率射頻電機,非經許可,公司、商號或使用者均不得擅自變更頻率、加大功率
或變更原設計之特性及功能。
•第十四條低功率射頻電機之使用不得影響飛航安全及干擾合法通信;經發現有干擾現象時,應立即停用,並改
善至無干擾時方得繼續使用。前項合法通信,指依電信法規定作業之無線電通信。低功率射頻電機須忍受合法通
信或工業、科學及醫療用電波輻射性電機設備之干擾。
NCC Warning Statement
Article 12
Without permission, any company, firm or user shall not alter the frequency, increase the power, or change the
characteristics and functions of the original design of the certified lower power frequency electric machinery.
Article 14
The application of low power frequency electric machineries shall not affect the navigation safety nor interfere a legal
communication, if an interference is found, the service will be suspended until improvement is made and the interference
no longer exists.