Wavecrest TidalForce M-750 User manual

O
OW WN NE ER R’ ’S S M MA AN NU UA AL L
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Ti id da al lF Fo or rc ce e M M- -7 75 50 0 H Hi ig gh h P Pe er rf fo or rm ma an nc ce e E El
le ec ct tr ri ic c B Bi ic cy yc cl le e
Powered by WaveCrest Adaptive Motor™System
122460-01
WC_750_V.1.5_Feb 2004

About this Manual WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual
Copyright ©2004 WaveCrest Laboratories, LLC 2
Table of Contents
ABOUT THIS MANUAL ..........................................................................................4
Important Symbols and Terms................................................................................ 4
Related Manuals................................................................................................... 4
Clarification ......................................................................................................... 4
INITIAL INSPECTION ..........................................................................................5
Recording your Serial Number ................................................................................ 7
ASSEMBLY .......................................................................................................8
General Considerations when Assembling and Disassembling the M-750....................... 8
Wiring Harness Connections................................................................................ 8
Wheel, Seat, and Frame Quick Releases ............................................................. 10
Folding the Frame............................................................................................... 12
Unfolding the Frame............................................................................................ 13
Handlebar Assembly............................................................................................ 14
Front Wheel Removal .......................................................................................... 15
Front Wheel Installation....................................................................................... 15
Front Wheel Adjustment ...................................................................................... 17
Rear Wheel Removal........................................................................................... 17
Rear Wheel Installation ....................................................................................... 19
Rear Wheel Adjustment....................................................................................... 20
Pedal Assembly .................................................................................................. 20
Seat Post Adjustment.......................................................................................... 20
OPERATION ...................................................................................................21
Before You Ride.................................................................................................. 21
Wheels .......................................................................................................... 21
Rims.............................................................................................................. 21
Spokes .......................................................................................................... 21
Tires.............................................................................................................. 21
Drive Train..................................................................................................... 22
Brakes........................................................................................................... 22
Batteries........................................................................................................ 23
Safety Responsibilities......................................................................................... 23
Riding Your M-750 .............................................................................................. 24
Motor ............................................................................................................ 24
Dashboard...................................................................................................... 25
Throttle.......................................................................................................... 28
Gears and Shifting........................................................................................... 28
Suspension..................................................................................................... 29
Cycle Computer .............................................................................................. 29
MAINTENANCE ................................................................................................30
Bicycle Care....................................................................................................... 30
Recharging the Batteries...................................................................................... 30
Adjustments ...................................................................................................... 33
Adjusting the Brakes........................................................................................ 33
Adjusting the Derailleur Cable Tension................................................................ 34
Long-Term Storage Recommendations................................................................... 36
TROUBLESHOOTING ..........................................................................................37
SPECIFICATIONS................................................................................................43

About this Manual WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual
Copyright ©2004 WaveCrest Laboratories, LLC 3
List of Figures
Figure 1. Parts of the M-750 and Quick Release Locations............................................................. 6
Figure 2. Front Wiring Harness Connectors ................................................................. 8
Figure 3. Rear Wiring Harness Connectors .................................................................. 9
Figure 4. Seat Post Quick Release Lever................................................................... 10
Figure 5. Frame Quick Release Lever ....................................................................... 11
Figure 6. Front Wheel Quick Release Lever ............................................................... 11
Figure 7. Rear Wheel Quick Release Lever ................................................................ 11
Figure 8. Pressing Frame Quick Release Nut Out of Drop Box ...................................... 13
Figure 9. Proper Axle Key Engagement (Quick Release Removed) ................................ 16
Figure 10. Torque Bar Attachment........................................................................... 18
Figure 11. Dashboard and Throttle .......................................................................... 25
Figure 12. Dashboard Faceplate .............................................................................. 26
Figure 13. Adjusting the Brakes .............................................................................. 33
Figure 14. Adjusting the Derailleur Cable Tension ...................................................... 35
List of Tables
Table 1. State-of-Charge LED Display Schedule......................................................... 27
Table 2. Battery Charger LED Indications.................................................................. 31
Table 3. Problem Resolution ................................................................................... 38

About this Manual WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual
Copyright ©2004 WaveCrest Laboratories, LLC 4
About this Manual
CONGRATULATIONS ON SELECTING THE TIDALFORCE M-750. IN ORDER TO USE
AND ENJOY YOUR BICYCLE SAFELY AND TO GET THE BEST PERFORMANCE AND
DURABLILITY FROM THIS PRODUCT, PLEASE READ THIS MANUAL THOROUGHLY
BEFORE RIDING.
The information contained in this manual is to be used as guidelines for safe operation and
are not intended to replace any safety rules or laws that may be in force in your area. If
you have any questions regarding your M-750, or if you do not understand something in
this manual, please contact your local TidalForce dealer or the WaveCrest Customer Support
Team at 888-880-1988.
Important Symbols and Terms
Even on the best days, riding or operating any sort of vehicle is hazardous. Serious injury
or death can occur as a result. Thus, this manual uses the following symbols and terms to
call your attention to warnings, cautions, and notes:
Symbol Term Meaning
WARNING: This symbol and term denotes a warning. A warning indicates a
potentially hazardous situation which, if not avoided, could result in
bodily injury or death. Read the text accompanying the warning to
be aware of the specific hazard and avoid bodily injury or death.
CAUTION: This symbol and term denotes a caution. A caution indicates a
potentially hazardous situation which, if not avoided, could result in
damage to equipment or inadvertent system failure. Read the text
accompanying the caution to be aware of the specific hazard and
avoid equipment damage or system failure.
Note: This symbol and term denotes a note. The text accompanying a
note provides helpful or other important related information.
Please read and follow all warning and caution notices marked on your M-750 and included
in this manual.
Related Manuals
Many of the components comprising the M-750 have manuals that provide additional
information. These manuals were supplied with your new M-750. Refer to “Initial
Inspection” on page 5 for a listing of the manuals.
Clarification
References to the left and right sides of the M-750 are relative to the riding position on the
bicycle.

Initial Inspection WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual
Copyright ©2004 WaveCrest Laboratories, LLC 5
Initial Inspection
The following is a list of all the parts and components of your new M-750:
•Bicycle (with rear hub WaveCrest Adaptive™Motor and front hub NiMH Battery)
•Front Quick Release Skewer
•Seat
•Pedals (left and right)
•(4) Replacement Pedal reflectors
•Battery charger and manual
•Tool Kit (one 15mm open-end wrench)
•The following component manuals:
–Montague X Series Owner’s Manual
–Bicycle Computer Operations Manual
–SR Suntour Front Fork Operations Manual
–SRAM Shifters Operations Manual
All major parts and quick releases on the M-750 are identified in Figure 1. Please familiarize
yourself with these parts and quick releases prior to assembling or riding your M-750.
Please check the bicycle along with the parts and components thoroughly for any damage
that may have been sustained during shipping. Be careful to avoid scratching the frame
when untying or unpacking the bicycle and components.
If you find that something is missing or damaged, please contact the WaveCrest Customer
Support Team at 888-880-1988.
NOTE: Before initial use, charge the battery overnight (or for at least 8 hours)
by following the battery charging instructions in this manual. It is important to
fully charge the batteries after initial purchase. This will extend the total life of
the battery.

Initial Inspection WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 6
1. saddle (seat) 7. boom tube 13. front brake 19. front derailleur 25. rear derailleur
2. rear reflector 8. front fork 14. magnet (computer sensor) 20. pedal 26. motor
3. seat post 9. stem 15. front hub battery 21. crankset 27. rear wheel quick release
4. seat post quick release 10. dashboard 16. front wheel quick release 22. chainring 28. cassette
5. folding frame pivot 11. shift grip 17. shock absorber 23. kickstand 29. rear brake
6. frame quick release 12. brake lever 18. down tube 24. chain stay
Figure 1. Parts of the M-750 and Quick Release Locations
22
20
19
25
18
7
27 15
23
26
28
21
17
6
4
3
2
58
14
24
9
1
13
11 12
29
10
16

Initial Inspection WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 7
Recording your Serial Number
Each bicycle has a serial number located underneath the pedal crank stamped on the
bottom side of the frame. Please record the serial number along with other pertinent
information below for warranty purposes or if the bicycle is lost or stolen. It may also be a
good idea to register your serial number with your local police department.
Serial Number: ___________ _________________________________________________
Model: _________________ __________________________________________________
Color: ________________ ___________________________________________________
Date of Purchase: _________________ _________________________________________
Place of Purchase:_________________ _________________________________________
Street Address:________________ ____________________________________________
City/State/Zip: ________________ ____________________________________________
Phone:_________________ __________________________________________________
Contact: ________________ _________________________________________________

Assembly WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 8
Assembly
Please read and follow all instructions to ensure that your M-750 is assembled properly and
ready for use. Be careful to prevent damage or scratches during assembly. All tools
required to assemble the bike are included in the tool kit supplied with your M-750.
General Considerations when Assembling and Disassembling the M-750
Your M-750 uses wiring harness connectors and quick releases to allow quick assembly and
disassembly. You should fully understand how to operate these components because they
are crucial to the safe operation of your M-750.
Wiring Harness Connections
The wiring harnesses route power and communications to various components on the
M-750. The wiring harnesses have connectors located at the front and rear of the M-750 to
allow removal of the wheels (see Figure 2 and Figure 3).
Figure 2. Front Wiring Harness Connectors
Power
Red = Pos
Black = Neg
Charging Plug
Communications

Assembly WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 9
Figure 3. Rear Wiring Harness Connectors
Any loose connections can result in a failure of the propulsion system. Special attention
must be paid when connecting or disconnecting the various wiring connections to prevent
damage to the wiring harness.
CAUTION: BE SURE TO DISCONNECT THE CHARGER AND TURN OFF BATTERY
POWER BEFORE ATTEMPTING TO DISCONNECT ANY WIRING HARNESS
CONNECTORS.
CAUTION: DO NOT TWIST THE CONNECTORS OR PULL ON WIRES WHEN
DISCONNECTING THE WIRING HARNESS. FOR COMMUNICATIONS CABLES, PULL
BACK ON THE SPRING-LOADED LOCKING COLLAR WITH FIRM PRESSURE, AND
THEN PULL THE CONNECTORS APART.
CAUTION: BE SURE TO ALIGN PINS WHEN CONNECTING WIRING HARNESS
CONNECTORS. THE COMMUNICATIONS CABLES HAVE ALIGNMENT MARKINGS
(WHITE ARROWS) ON BOTH THE MALE AND FEMALE CONNECTORS TO AID IN
ALIGNMENT.
Diagnostics
Power
(Red = Pos
Black= Neg)
Communications
(Midpoint Battery)
Power (Midpoint
Batter
y)
Communications

Assembly WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 10
Always reinstall the supplied cable connector wraps over the wiring connections, or if not
available, secure them tightly with cable ties.
Wheel, Seat, and Frame Quick Releases
The M-750 is designed for quick folding and unfolding without the use of tools. Because
your M-750 relies on quick releases for folding and general assembly and adjustment, it is
crucial that you fully understand how to operate the releases.
WARNING: DO NOT RIDE YOUR BICYCLE WITHOUT ALL QUICK RELEASES
SECURELY LOCKED. DOING SO CAN RESULT IN SERIOUS INJURY OR DEATH.
The quick releases are:
•Seat post quick release lever (Figure 4 and item 4, Figure 1)
•Frame quick release lever (Figure 5 and item 6, Figure 1)
•Front wheel quick release lever (Figure 6 and item 16, Figure 1)
•Rear wheel quick release lever (Figure 7 and item 27, Figure 1)
Open Closed
Figure 4. Seat Post Quick Release Lever
Open Closed

Assembly WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 11
Figure 5. Frame Quick Release Lever
Open Closed
Figure 6. Front Wheel Quick Release Lever
Open Closed
Figure 7. Rear Wheel Quick Release Lever
The operation of each quick release on the M-750 is similar. Refer to the following
instructions when opening or closing any of the quick releases:
1. To release the lever, pull it away from the bike and toward you until it turns 180°
and the word “open” is visible facing the outside, away from the bicycle. If your
quick release lever is not marked “open” and “closed,” it is open when the lever
curves away from the bicycle.
2. The tightness of the lever is adjusted with the nut opposite the release lever and by
rotating the quick release lever. Turn the nut by hand to adjust the tension while
holding the lever stable. Adjust the nut so that resistance can be felt midway toward
the “closed” position.
3. To lock the release lever, push the lever up and over toward the bike frame until it
turns over 180°and the word “open” is no longer visible, or the lever curves toward

Assembly WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 12
the bicycle. The lever is securely tightened when it leaves an imprint on the palm of
your hand from pushing it closed.
4. Once the lever is closed securely, you should not be able to move it unless you open
it again (Step 1). If you can easily move it, then open the quick release lever again
and tighten the nut another half turn clockwise. Continue with Step 3.
5. If you have adjusted the nut too tightly and cannot push the lever to the “closed”
position, open the quick release lever again and turn the nut a half turn
counterclockwise. Continue with Step 3.
CAUTION: USE EXTREME CARE WHEN OPERATING QUICK RELEASE LEVERS.
YOUR PERSONAL SAFETY DEPENDS ON PROPER AND SECURE OPERATION OF THE
QUICK RELEASE LEVERS.
If in doubt on the operation of quick releases, take your M-750 to a local TidalForce dealer
for instruction or contact the WaveCrest Customer Support Team at 888-880-1988.
Folding the Frame
Be sure to disconnect the charger and turn off the power before attempting to fold your
bicycle.
CAUTION: THE M-750 HAS AN ELECTRICAL WIRING HARNESSES.
ATTENTION AND CARE MUST BE TAKEN DURING FOLDING/UNFOLDING TO
PREVENT DAMAGE TO THESE COMPONENTS. THE FOLDED M-750 COULD CHAFE
THE WIRES AND CAUSE AN ELECTRICAL SHORT. USE CAUTION AND CARE WHEN
FOLDING THE M-750 FRAME.
1. Stand on the chain side and open the frame quick release lever as shown in Figure 5
on page 11.
2. Spin the frame quick release lever counterclockwise five to six complete rotations.
3. Using the heel of your hand, press and hold down the frame quick release to lower
the quick release nut out of the quick release drop box (as shown in Figure 8) while
folding the bike with the handlebar turned away from you so it folds into the rear
wheel.

Assembly WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 13
Figure 8. Pressing Frame Quick Release Nut Out of Drop Box
Unfolding the Frame
Be sure to disconnect the charger and turn off the power before attempting to unfold your
bicycle.
1. Place the rear wheel firmly on the ground, grasp the rear wheel with one hand and
the handlebar stem with the other, and unfold the bike.
2. When the frame is unfolded almost completely, push down on the opened frame
quick release so that the quick release nut will go into the quick release drop box as
shown in Figure 8 on page 13.
3. Release the frame quick release lever by raising it in the “open” position and turning
counter-clockwise until released.
CAUTION: USE EXTREME CARE WHEN OPERATING QUICK RELEASE LEVERS.
YOUR PERSONAL SAFETY DEPENDS ON PROPER AND SECURE OPERATION OF THE
QUICK RELEASE LEVERS.
4. Close the frame quick release lever and lock the lever with the lever pointing towards
the saddle as shown in Figure 5 on page 11.
Quick Release
Adjuster Nut
Pressed into Drop
Box

Assembly WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 14
WARNING: THE M-750 HAS A LIP IN THE FRAME QUICK RELEASE DROP BOX.
FOR YOUR PROTECTION, THE QUICK RELEASE NUT MUST BE ENTIRELY CLEAR OF
THE LIP WHEN THE FRAME IS IN THE UNFOLDED, RIDING POSITION.
Handlebar Assembly
Your handlebar is packed, rotated 90°from down, to avoid damage during shipping. To
align your handlebar:
1. Loosen the stem binder with a 5mm hex wrench provided in your tool kit.
2. Turn your handlebar back to its proper position.
3. Make sure all wires and cables are free from obstruction and not wrapped around the
stem or front fork.
4. Align the center of your handlebar with your front wheel and tighten the stem binder
using a 5mm hex wrench.
5. Ensure that the front fork and stem will turn easily and smoothly from side to side
without your handlebar slipping.
If you do not fully understand any of the above steps or if you think the handlebar is not
tightened properly, please contact a local TidalForce dealer or the WaveCrest Customer
Support Team at 888-880-1988.
WARNING: LOOSE OR DAMAGED GRIPS ON YOUR HANDLEBARS ARE
DANGEROUS. IF YOUR GRIP COMES OFF, YOU COULD LOSE CONTROL OF YOUR
BICYCLE. A GRIP WITH THE END MISSING CAN ALLOW HANDLEBARS TO
SERIOUSLY INJURE A RIDER DURING AN ACCIDENT. PLEASE CHECK THAT BOTH
HANDLEBAR ENDS ARE PLUGGED. BE SURE THAT YOUR GRIPS ARE IN GOOD
REPAIR AND SECURELY GLUED OR FASTENED TO THE HANDLEBARS.

Assembly WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 15
Front Wheel Removal
1. Pinch the front brake calipers together, and then push the brake cable end cap and
cable guide out of the hook unit. Release the calipers.
2. Remove the cable connector wrap from the left fork tube.
CAUTION: BE SURE TO DISCONNECT THE CHARGER AND TURN OFF BATTERY
POWER BEFORE ATTEMPTING TO DISCONNECT ANY WIRING HARNESS
CONNECTORS.
CAUTION: DO NOT TWIST THE CONNECTORS OR PULL ON WIRES WHEN
DISCONNECTING THE WIRING HARNESS. FOR COMMUNICATIONS CABLES, PULL
BACK ON THE SPRING-LOADED LOCKING COLLAR WITH FIRM PRESSURE, AND
THEN PULL THE CONNECTORS APART.
3. Carefully disconnect the front wiring harness connections (see Figure 2 on page 8).
4. Open the front wheel quick release as shown in Figure 6 on page 11 and loosen the
front wheel axle nut five or six turns.
5. Without forcing the wheel, remove the front wheel from the fork dropouts and set it
aside.
Front Wheel Installation
1. Ensure that the front wheel quick release lever is set to the “open” position as shown
in Figure 6 on page 11.
CAUTION: BEFORE INSERTING FRONT WHEEL INTO FORK DROPOUTS, PUSH
WIRES EXITING THE HUB TO THE SIDE AND ROUTE THEM CAREFULLY SO THAT
THE FORK DROPOUT CANNOT NICK AND SHORT THE BATTERY SYSTEM. A SHORT
CAN EASILY OCCUR IF CAUTION IS NOT TAKEN WHEN INSTALLING THE FRONT
WHEEL.
CAUTION: KEY IN FRONT HUB MUST BE ALIGNED WITH AND ORIENTED AT
THE BOTTOM OF THE LEFT FORK DROPOUT WHEN INSTALLING FRONT WHEEL AS
SHOWN IN FIGURE 9.
IMPROPER FRONT WHEEL INSTALLATION WILL RESULT IF AXLE KEY IS FACING
UPWARD.

Assembly WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 16
Axle Withdrawn Axle Inserted
Figure 9. Proper Axle Key Engagement (Quick Release Removed)
2. Carefully guide the axle of the front wheel into the fork dropouts with the axle key
oriented outboard of left dropout as shown in Figure 9 and avoid pinching the wires
leading into the hub.
CAUTION: USE EXTREME CARE WHEN OPERATING QUICK RELEASE LEVERS.
YOUR PERSONAL SAFETY DEPENDS ON PROPER AND SECURE OPERATION OF THE
QUICK RELEASE LEVERS.
3. Center the wheel between the fork tubes and then close the front wheel quick
release lever as shown in Figure 6 on page 11.
4. Pinch the brake calipers together and swing up the hook unit. Push the brake cable
end cap and cable guide into the hook unit, allowing the brake cable to feed through
the end of the hook unit. Release the brake calipers and the hook unit will lock into
place over the end cap.
5. Verify that the brake pads are positioned so that they will contact and be centered on
the rim of the wheel. If they are not centered, open the quick release and re-center
the rim between the brakes.
CAUTION: BE SURE TO ALIGN PINS WHEN CONNECTING WIRING HARNESS
CONNECTORS. THE COMMUNICATIONS CABLES HAVE ALIGNMENT MARKINGS
(WHITE ARROWS) ON BOTH THE MALE AND FEMALE CONNECTORS TO AID IN
ALIGNMENT.
6. Ensure proper connector alignment and carefully reconnect the front wiring harness
connections as shown in Figure 2 on page 8.
7. Re-install the cable connector wrap over the front wiring harness connectors and left
fork tube.
Axle Key
Left Dropout

Assembly WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 17
Front Wheel Adjustment
CAUTION: DO NOT RIDE WITH TIRES THAT ARE NOT PROPERLY INFLATED.
TIRE SHOULD BE INFLATED TO THE PRESSURE INDICATED ON THE TIRE
SIDEWALL.
1. Ensure that the front tire is properly inflated.
2. Visually check to make sure that the sides of the front tire are evenly spaced
between the fork tubes.
3. Squeeze the front brake lever tightly a few times and visually check the front brake
pads to ensure that they will contact the rim and not the tire. Adjust as necessary
(refer to “Adjusting the Brakes” for instructions).
4. Ensure that the cable connector wraps are installed tightly to protect the cables and
prevent an accidental disconnect or rubbing.
Rear Wheel Removal
1. Pinch the rear brake calipers together and then push the end cap and cable guide out
of the hook unit. Release the calipers.
2. Remove the cable connector wrap from the left frame arm.
CAUTION: BE SURE TO DISCONNECT THE CHARGER AND TURN OFF BATTERY
POWER BEFORE ATTEMPTING TO DISCONNECT ANY WIRING HARNESS
CONNECTORS.
CAUTION: DO NOT TWIST THE CONNECTORS OR PULL ON WIRES WHEN
DISCONNECTING THE WIRING HARNESS. FOR COMMUNICATIONS CABLES, PULL
BACK ON THE SPRING-LOADED LOCKING COLLAR WITH FIRM PRESSURE, AND
THEN PULL THE CONNECTORS APART.
3. Carefully disconnect the rear wiring harness connectors (see Figure 3 on page 9).
NOTE: The torque bar bracket should not be removed. If it is inadvertently
removed or broken, take your M-750 to a TidalForce dealer for proper torque
bar bracket replacement.
4. Using a 5mm hex wrench, remove the torque bar retention screw releasing the
torque bar from the torque bar bracket as shown in Figure 10.

Assembly WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 18
Figure 10. Torque Bar Attachment
5. Open the rear wheel quick release as shown in Figure 7 on page 11 and loosen the
rear wheel axle nut five or six turns.
6. Without forcing the wheel, pull the rear wheel down and out of the rear dropouts.
The chain should allow the wheel to pull out without hanging up on the sprockets.
Retention
Screw
Torque bar bracket
(Do not remove) Torque Bar

Assembly WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 19
Rear Wheel Installation
1. Ensure that the rear wheel quick release lever is set to the “open” position as shown
in Figure 7 on page 11.
2. Pull back on the rear derailleur. Guide the axle of the rear wheel into the rear
dropout slots and center the wheel in the frame.
CAUTION: THE TORQUE BAR MUST BE SECURED TO THE TORQUE BAR
BRACKET BEFORE OPERATING THE MOTOR. IF NOT SECURED, THE TORQUE BAR
WILL BE ALLOWED TO ROTATE, DAMAGING THE WIRING HARNESS CONNECTED TO
THE MOTOR.
3. Rotate rear wheel to align mounting hole in the torque bar with mounting hole in the
torque bar bracket as shown in Figure 10 on page 18. Apply a drop of medium
formula thread lock on threads of the torque bar retention screw and
re-install the retention screw using a 5mm hex wrench.
CAUTION: USE EXTREME CARE WHEN OPERATING QUICK RELEASE LEVERS.
YOUR PERSONAL SAFETY DEPENDS ON PROPER AND SECURE OPERATION OF THE
QUICK RELEASE LEVERS.
4. Center the wheel between the frame arms and then close the rear wheel quick
release lever as shown in Figure 7 on page 11.
5. Verify that the brake pads are positioned so that they will contact and be centered on
the rim of the wheel. If they are not centered, open the quick release and re-center
the rim between the brakes.
NOTE: The capped, unconnected wiring harness leading to the motor is a
diagnostic plug used by service personnel only. Do not attempt to connect any
wires to it.
CAUTION: BE SURE TO ALIGN PINS WHEN CONNECTING WIRING HARNESS
CONNECTORS. THE COMMUNICATIONS CABLES HAVE ALIGNMENT MARKINGS
(WHITE ARROWS) ON BOTH THE MALE AND FEMALE CONNECTORS TO AID IN
ALIGNMENT.
6. Ensure proper connector alignment and carefully reconnect the rear wiring harness
connections as shown in Figure 3 on page 9.
7. Re-install the cable connector wrap over the rear wiring harness connectors and left
frame arm.
8. Pinch the rear brake calipers together and push the brake cable end cap and cable
guide into the hook unit, allowing the cable to feed through the end of the hook unit.
Release the brake calipers and the hook unit will lock into place over the end cap.

Assembly WaveCrest Laboratories
TidalForce M-750 High Performance Electric Bicycle Owner’s Manual 20
Rear Wheel Adjustment
CAUTION: DO NOT RIDE WITH TIRES THAT ARE NOT PROPERLY INFLATED.
TIRE SHOULD BE INFLATED TO THE PRESSURE INDICATED ON THE TIRE
SIDEWALL.
1. Ensure that the rear tire is properly inflated.
2. Visually check to make sure that the sides of the rear tire are evenly spaced between
the frame arms.
3. Squeeze the rear brake lever tightly a few times and visually check the brake pads to
ensure that they will contact the rim and not the tire. Adjust as necessary (refer to
“Adjusting the Brakes” on page 33 for instructions on that).
4. Ensure that the rear cable connector wraps are installed tightly to protect the cables
and prevent an accidental disconnect or rubbing.
Pedal Assembly
The pedals have different threads based on which crank arm they should be connected to.
The pedals are marked with “L” for left and “R” for right. Left and right are determined
from the riding position on the bicycle.
CAUTION: DO NOT TRY TO FORCE THE WRONG PEDAL ONTO THE CRANK
ARM, AS IT WILL STRIP THE THREADS IN THE CRANK ARM.
Align the pedal axle with the threaded hole in it’s respective crank arm. Apply a drop of oil
or light grease to the threads of the pedal and secure the pedal in the crank by hand. The
right pedal is installed by turning the pedal axle clockwise and the left pedal is installed by
turning the pedal axle counter-clockwise.
After the pedals can no longer be turned by hand, use the 15mm wrench included in your
tool kit and tighten the pedals securely. The shoulder of each pedal should fit against the
crank arm.
Seat Post Adjustment
The saddle height should be adjusted for the comfort of the rider. The saddle (seat) is
adjusted properly when you can sit on the saddle and with your knee slightly bent
(approximately 15 degrees), and you can rest your foot on the pedal at its lowest point with
the ball of your foot. For extra compactness when folding your M-750, be sure to lower the
saddle all the way down.
1. Open the seat post quick release as shown in Figure 4 on page 10 and raise or lower
the seat post to your desired height.
CAUTION: USE EXTREME CARE WHEN OPERATING QUICK RELEASE LEVERS.
YOUR PERSONAL SAFETY DEPENDS ON PROPER AND SECURE OPERATION OF THE
QUICK RELEASE LEVERS.
2. Close the seat post quick release below the saddle. The seat post cannot be rotated
in the frame if it is tightened properly.