Hyena ST-SQ-1 User manual

Original Instruction
Version 220922
Copyright © 2022 HYENA INC. All Right Reserved.
Product Manual
ST-SQ-1

HYENA E-BIKE SYSTEMS
Table of Contents
Introduction
Product Features
Product Description.............................................................................................1
Product Dimension..............................................................................................1
Cable Pin Definition ............................................................................................3
Signal Charts........................................................................................................3
Technical Data
Function ................................................................................................................4
Characteristic .......................................................................................................4
Mounting Parameter ...........................................................................................4
Certification ..........................................................................................................4
Mounting Instructions .........................................................................................5
Safety Instructions
Important Notice ..................................................................................................6
Moving and Storage Instructions ......................................................................6
Maintenance.........................................................................................................6
Disposal ................................................................................................................6

HYENA E-BIKE SYSTEMS
1
Introduction
This manual is intended primarily for the trained technician to install, disassemble, or maintain the Hyena e-bike system
only. Please read all the safety warnings and instructions carefully. Failure to follow the warnings and instructions may
result in death or severe injuries. Save this manual for future reference.
Product Features
Product Description
The ST-SQ-1 is a BB type unilateral crank torque sensor used on Hyena system e-bikes to detect the pedal torque and
rotation speed. It features a simple design and small size with high measurement accuracy and linear signal.
Product Dimension
BSA Type
L
A
B
C
D
Product No.
Spindle length
Left side
Housing distance
Right side
Cable to BB(R)
123 mm
26.5 mm
68 mm
28 mm
34 mm
57T008
123 mm
24 mm
74 mm
24.5 mm
37 mm
57T021
148 mm
22 mm
100 mm
25 mm
50 mm
57T027
Unit: mm

HYENA E-BIKE SYSTEMS
2
T47 Type
L
A
B
C
D
Product No.
Spindle length
Left side
Housing distance
Right side
Cable to BB(R)
124 mm
24.25 mm
73 mm
25.25 mm
37.55 mm
57T022
111.5 mm
20 mm
69 mm
21.5 mm
34.8 mm
57T025
Unit: mm

HYENA E-BIKE SYSTEMS
3
Cable Pin Definition
Signal Charts
Torque
GND
Cadence
Null
Null
5V

HYENA E-BIKE SYSTEMS
4
Technical Data
Function
Pedal force detection
Single side
Left side
Pedal cadence detection
32 signals
Characteristic
Operating voltage
5.0 ± 0.5 V
Operating temperature
-20℃to +60℃@80%RH
Storage temperature
-20℃to +80℃@80%RH
Waterproof level
IP65
Applicable torque range
2-60Nm
Resolution
10mV/Nm
Output voltage
1.9-2.5V
Mounting Parameter
Spindle length
BSA type:123/148 mm
T47 type:124/111.5 mm
Refer to the product dimension.
Spindle type
Square
BB housing type
BSA/T47
Cup thread
BSA type: 68/74/100 mm
T47 type: 69/73 mm
Refer to the product dimension.
Cable length
120 mm
Connector
JL-F-Z609AG
Certification
EN 15194:2017
Yes
EN 14764
Yes
EN 60529
Yes
RoHS
Yes

HYENA E-BIKE SYSTEMS
5
Mounting Instructions
• Use the proper bicycle tools during the installation or removal process.
• Fasten the product with the correct torque value during installation to avoid affecting signal accuracy.
• Carefully install this product is necessary, do not strike it with any tool such as a hammer or wrenches.
• NOTE! The image of the bike frame, bowl cup type, and cable direction seen in the manual may be different from the
actual bike but will be enough to help you understand related sensor install instructions.
• Warning! Do NOT use any tool with strong magnetic during assembly; this may lead to permanent damage.
Insert and tighten the right side of the bottom bracket
bowl cup with torque to 35 Nm.
Insert the sensor from the left side and pull the cable from
the bottom bracket’s bottom hole.
NOTE: Please pay attention to the direction of the “Stop
Marking” as shown.
Insert and tighten the bracket bowl cup of the left side
bottom with torque to 35 Nm.
Install the chainwheel and cranks.
STEP
1
STEP
2
STEP
3
STEP
4
Stop Marking
Stop Marking

HYENA E-BIKE SYSTEMS
6
Safety Instructions
Instructions Pertaining To A Risk Of Fire,
Electric Shock, Or Injury To Persons
• WARNING - When using the ST-SQ-1 Torque
Sensor, basic precautions should always be followed,
including the following:
• Read all the instructions before using the product.
• Close supervision is necessary to reduce the risk of
injury when the product is used near children.
• Do NOT put fingers or hands into the product.
• Do NOT use this product if the flexible power cord or
output cable is frayed, has broken insulation, or any
other signs of damage.
• All the component leads shall use original Hyena
components.
• This product is not intended to be used at ambient
temperatures less than -10°C (14°F) or above
ambient temperatures of 60°C (140°F).
• Do NOT immerse the product or any e-system
component in water.
• Do NOT place the product or any e-system
component near fire or heat.
• Always turn off the e-bike system and remove the
battery before installing, disassembling, or modifying
any components on the e-bike.
Important Notice
• This product manual is intended primarily for the
trained technician to install, disassemble, or maintain
the e-bike.
• Users not professionally trained for bicycle assembly
should not attempt to install, disassemble or modify
the components themselves.
• All Hyena e-system manuals and technical
documents are accessible online at “www.hyena-
ebike.com”.
• The term “battery” is used in these instructions to
mean all original Hyena e-Bike batteries.
• Read and observe the safety warnings and directions
contained in all the Hyena e-Bike system operating
instructions and in the operating instructions of your
e-Bike.
Moving and Storage Instructions
• CAUTION - Do NOT place the sensor near any
strong magnets or magnetic tools in any situation, as
this may lead to changes within the spindle’s
magnetic field. Furthermore, it causes the sensor to
lose its functionality permanently!
• Please keep the product and all e-system
components in their original package and keep tools
or other metal objects away from them during storage
and moving.
• If you did not keep the original packaging, they can be
packed in solid cartons with proper packing materials
such as bubble wrap or soft cloth, and label the cartons
“Fragile.”
• Do NOT store the product at ambient temperatures less
than -20°C (-4°F) or above ambient temperatures of
80°C (176°F).
• Cover the product to prevent sunlight damage if you will
keep it stored at any place for more than a week.
• Store the product on a fireproof surface without contact
with water, heat, or sand.
• Do NOT place any heavy item on the product or any e-
system component.
• Do NOT place the product or any e-system component
in the car trunk for more than one day.
• Do NOT load or move the product in the rain whenever
possible, and make sure it has no moisture or mildew
before loading it.
• Do NOT drop the product from more than 30cm (11.81
inches) height.
Maintenance
• Do NOT clean the product or any e-system component
with detergent or organic solvent. Only clean the product
with a water-dampened soft cloth.
• Do NOT clean the product or any e-system component
with pressured water.
Disposal
• In accordance with Directive 2012/19/EU, electronic
devices that are no longer usable and defective/
drained batteries must be collected separately and
recycled in an environmentally friendly manner.
• The e-system drive unit, including the motor,
controller, battery, speed sensor, torque sensor, HMI,
accessories, and packaging, should be disposed of in
an environmentally correct manner.
• Do NOT dispose of e-bikes and their components
with household waste.
SAVE THESE INSTRUCTIONS
This symbol is only valid within the European
Union. Follow local regulations when disposing
of used batteries. If you are not sure, consult
the place of purchase or a bicycle dealer

HYENA E-BIKE SYSTEMS
7
Hyena Inc.
Tel: [phone]
Fax: [phone]
www.hyena-ebike.com
Address: No.25, Jingke N. Rd., Nantun Dist., Taichung City 408, Taiwan (R.O.C.)