NISHIRO SOHO User manual

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SOHO Electric Bicycle

User Manual

[Revision 6.0 June 2019]

READ THIS MANUAL CAREFULLY BEFORE USE – FAILURE TO DO SO MAY RESULT IN INJURY,

PROPERTY DAMAGE AND MAY VOID WARRANTY. • KEEP THIS MANUAL FOR FUTURE REFERENCE.

• Products covered by this manual may vary in appearance, assembly, inclusions, specifications, description

and packaging.

Please note the user must be pedalling in order for the motor to activate.

SOHO Electric Bicycle

Safety

•Riding can be a hazardous activity. Certain conditions may cause the equipment to fail without fault of

the manufacturer. The product can and is intended to move, and it is therefore possible to lose control,

fall-off and/or get into dangerous situations that no amount of care, instruction or expertise can eliminate.

If such things occur, you can be seriously injured or die, even when using safety equipment and other

precautions. RIDE AT YOUR OWN RISK AND USE COMMON-SENSE. FAILURE TO USE COMMON-

SENSE AND HEED ALL SAFETY WARNINGS AND RECOMMENDATIONS INCREASES RISK OF

INJURY. USE THE PRODUCT ONLY WITH APPROPRIATE CAUTION AND SERIOUS ATTENTION

TO SAFE OPERATION.

•Before riding on the road, take time riding in an enclosed area to familiarise yourself with the

controls and behaviours of an electrically assisted bicycle. Try all settings so you are familiar

with the results.

•Before every ride, check bicycle condition and ensure that no fasteners are loose, particularly

axles, pedals, seat and handlebars. Ensure that the tyres are inflated to within specification

(printed on the tyre sidewall), and that the brakes are operating correctly.

•Maximum load capacity = 120kg.

•Understand and obey any local laws or regulations which may affect locations where the product may be

used. Ride defensively.

•This product is manufactured for performance and durability but is not impervious to damage. Stunts or

other aggressive riding can over-stress and damage the product, and the rider assumes all risks

associated with how the product is looked after.

•Keep fingers and other body parts away from moving components.

•Always wear suitable protective equipment, such as an approved safety helmet (with chin strap securely

buckled). A helmet may be legally required by local law or regulation in your area. Wear suitable

footwear for bicycle riding and clothing that helps make you visible to others.

Battery and Charging

•Never modify the electrical system. Alterations could cause a fire resulting in serious injury and could

also damage the electrical system.

•Charge with the supplied or recommended charger only. Use of the wrong charger could cause a fire or

explosion resulting in serious injury.

•Ensure the voltage and frequency of the charger is compatible with mains electrical supply.

•Use the battery charger in dry locations only.

•Regularly check the charger for damage to the electrical cord, plug, enclosure and other parts. If any

damage or malfunction occurs, do NOT use the charger until repaired or replaced.

•Use caution when charging.

•Do not operate the charger or charge batteries near flammable materials.

•Do not clean or perform any maintenance on the product when it is being charged.

SOHO Electric Bicycle

Table of Contents

Safety............................................................................................................................................. 2

Introduction................................................................................................................................... 4

Parts Identification and Assembly............................................................................................... 5

Tools Required for Assembly.......................................................................................................................5

Assembly......................................................................................................................................................6

Handlebars ............................................................................................................................................6

Seat........................................................................................................................................................8

Front Wheel ...........................................................................................................................................9

Pedals ..................................................................................................................................................10

Ancillary Parts ............................................................................................................................................11

Operation..................................................................................................................................... 13

Pedal Assistance........................................................................................................................................14

Using Pedal Assistance .......................................................................................................................14

Guidelines for Using Pedal Assistance................................................................................................15

Using Gears ...............................................................................................................................................15

Using Brakes..............................................................................................................................................16

Batteries and Battery Charging ................................................................................................. 18

Removing the Battery Pack........................................................................................................................18

Maintenance ................................................................................................................................ 19

Battery Storage ..........................................................................................................................................20

Battery Fuse ........................................................................................................................................20

Brakes ........................................................................................................................................................21

Cable Adjustment ................................................................................................................................21

Brake Rubber Alignment and Adjustment ...........................................................................................22

Brake Rubber Replacement ................................................................................................................22

Brake Shoe Replacement....................................................................................................................23

Tyre Pressures...........................................................................................................................................24

Chain Care .................................................................................................................................................25

Torque Settings ..........................................................................................................................................25

Frequently Asked Questions ........................................................................................................ 26

Troubleshooting.......................................................................................................................... 27

Specifications ............................................................................................................................. 29

SOHO Electric Bicycle

Introduction

Congratulation on purchasing a Nishiro pedal assisted bicycle. We hope you enjoy years of satisfactory

and safe riding.

Read the manual.

This manual is provided to help you to get the best performance, comfort, enjoyment and safety from

your bicycle. The manual describes specific care and maintenance procedures that help protect your

warranty and ensure trouble-free use. Please pay particular attention to the section on battery charging

and maintenance.

Read the manual before assembling and riding your bicycle.

Note that the manual is not intended to be an extensive reference source for servicing, maintenance

and/or repairs. For additional assistance, contact an authorised Nishiro service centre.

In the interests of your safety and the safety of others, it is highly recommended to have

your bicycle assembled and serviced / adjusted by a skilled bicycle mechanic.

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SOHO Electric Bicycle

Parts Identification and Assembly

No. Name No. Name

1 Bicycle Assembly (Frame, Forks, Handlebar, Crank,

Chain, Battery, Motor, Rear Wheel etc)

9 Tools / Fasteners / Accessories:

Keys

Basket Bracket (2)

M5x20 Hex Screw (3)

M5x15 Screw (4)

M5 Flange Nut (3)

M5 Lock Nut (2)

13 / 15mm Spanner

5mm Allen Key

Axle Caps (Front Wheel)

Pump / Drink Bottle (may be included)

2

Front Wheel

3

Front Mudguard

4

Seat Post / Seat

5

Pedal (Left and Right)

6

Basket Rack

7

Basket

8 Battery Charger and Connection Cables

Tools Required for Assembly

The bicycle may come supplied with some tools. Tools required for general assembly and maintenance

include, but are not limited to, the following:

•Bicycle torque wrench.

•8mm / 10mm / 13mm / 15mm / 19mm spanners.

•2.5mm / 4mm / 5mm Allen keys.

•Pliers.

•Phillips head screwdriver.

1

3

4

5

6

2

8

7

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SOHO Electric Bicycle

Assembly

Before riding, ensure that all required fasteners are tightened to the correct torque. • Ensure

that the tyres are inflated to within specification (printed on the tyre sidewall), and that the

brakes are operating correctly. • Assembly may require 2 people. • Do NOT allow children to perform the

assembly. • Additional tools to those supplied (if any) may be required for assembly, such as a torque

wrench, pliers etc.

The bicycle comes with some minor assembly required, and may include some necessary tools.

Handlebars

1. Carefully place the bicycle assembly on a flat surface so that it rests on the front fork and rear wheel.

2. Slide the handlebar stem (A) into the fork tube until fully inserted.

3. Rotate the handlebar assembly, if required, so it is aligned "square" to the front fork. That is, the

handlebar will be at 90° to the bicycle frame when the front wheel is straight.

4. Using a 6mm Allen key and torque wrench, tighten the handlebar stem bolt (B) to the specified torque.

The orientation of the front fork is correct when the

brake caliper is facing forward. The orientation of the

handlebar is correct when the control cables and

brake levers are facing forward. It is ESSENTIAL that the fork and

handlebar are assembled correctly. The adjacent image (bicycle

shown fully assembled) shows correct fork / handlebar assembly.

5. You can rotate the handlebar tube (C) and handlebar neck (C1)

for a more comfortable riding position. Using a 6mm Allen Key,

loosen the handlebar tube clamping bolt (D), then rotate the

handlebar tube forward or backwards as needed - ensure it

remains centred. Using a 6mm Allen Key and Torque Wrench,

tighten (rotate right) the handlebar tube clamping bolt to the

specified torque. Using a 6mm Allen Key, remove the handlebar

neck lock bolt (D1) and the grip lock piece (D2) from the front of the handlebar neck (C1). Rotate the

handlebar neck forward or backwards as needed. Insert the grip lock piece (D2) and handlebar neck lock

bolt (D1) back into the front of the handlebar neck and using a 6mm Allen Key and Torque Wrench,

tighten (rotate right) the handlebar neck lock bolt to the specified torque.

90°

A

B

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SOHO Electric Bicycle

C1

C

D

D1

D2

D1

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SOHO Electric Bicycle

Seat

When setting seat height, it is important to ensure that the resulting ride position is not only

comfortable, but also safe. You should be able to remain stable and properly handle the bicycle

when at a standstill, touch the ground etc. You should also be able to comfortably reach the pedals

when riding and comfortably and safely operate the handlebars and all controls. A good reference height for

the seat is at hip height. Do NOT have the seat raised enough so you can see the maximum height marker

on the seat post. • Ensure that when the seat is clamped, you cannot rock it back and forth or rotate it.

1. Insert the seat post/seat assembly (E) into the bicycle frame and lower it to a comfortable position – do

NOT have the seat raised enough so you can see the maximum height marker (F) on the seat post.

2. Rotate the clamp lever (G) from the unlock position (AA) to the lock position (BB). If the seat post is not

clamped firmly, increase pressure by unlocking the clamp, then rotating the adjustment knob (H) right

(clockwise) a ¼ turn, then re-test and adjust as necessary.

E

F H

G AA

G

BB

D2

D1

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SOHO Electric Bicycle

The seat angle can also be adjusted, again for best comfort. To

adjust angle, using a 13mm spanner, loosen (rotate left) the seat

clamp nuts (CC) on either side of the seat until the front of the

seat can be moved up/down. Set the angle as required, then

tighten the nuts securely.

Note that small changes in seat position can have a substantial

effect on comfort. It is recommended to make seat adjustments in

small increments and test the position, then re-adjust as

necessary.

Front Wheel

1. Turn the bicycle over so it is resting on the handlebar and

seat. Remove the black plastic spacer from the wheel fork.

2. Install the front wheel by lowering it into the slots at the bottom of the fork legs, making sure that the

brake disc (M) sits into slot on the brake pad assembly (N).

3. Remove the plastic nut (P) and washer (Q) from the axle skewer (O) and then slide the skewer through

the centre of the wheel.

4. Fasten the nut and washer back onto the skewer. As you tighten, check the tension on the quick release

handle (R), it should require firm pressure to close, locking the wheel in place.

CC

P

Q

R

M

N

O

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SOHO Electric Bicycle

Pedals

It is critical that you follow the pedal to crank arm attachment procedure carefully to ensure

correct assembly. • During assembly, do NOT use excessive force to screw the pedals into the

crank arms – this may indicate misalignment of the pedals or mis-matched threads. If the pedal does not

"feel right" when being screwed in, STOP immediately and check that it is the correct pedal and that it is

aligned properly with the crank arm. Failure to follow the instructions here or take due care may

damage the equipment and void any product warranty.

1. Starting with the right-hand crank arm (O), identify the right-hand pedal assembly (P), which is identified

by having the pedal bolt stamped "R".

2. Very carefully begin screwing the pedal bolt into the crank arm (rotate right / clockwise). If the bolt does

not "feel right" when being screwed in, STOP immediately and check that it is the correct bolt and that it

is aligned properly with the crank arm. Screw the pedal bolt in fully, then tighten to the specified torque

(P) using a 15mm spanner and torque wrench.

3. Repeat the above procedure for the left-hand crank arm, noting that the pedal bolt and crank arm

thread is left-hand (rotate left / anti-clockwise to tighten) and that the pedal bolt is stamped "L".

Note: If there are no Left and Right markings on the pedals, sit the pedals side by side and inspect the

thread on each. As shown in the image below, the thread on the left pedal starts high on the left side,

and the thread on the right pedal starts high on the right side.

P

O

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NISHIRO SOHO User manual

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