Currier Tech E3 NITRO Owner's manual

E3NITRO

Electric Bicycle

Owner’s Manual

Currie Technologies®

3850A Royal Avenue, Simi Valley, CA 93063

eflowebike.com | currietech.com

Version 101

Last modied: April 4, 2013 10:54 AM

Owner's Manual - eFlow E3Nitro.indd

Contents

Section 1 Introduction .....................3

Section 2 Important safety information .....4–7

Important symbols and terms .........6–7

Section 3 Recording your bicycle’s important

serial numbers ...................8

Section 4 Specications .................9–11

Bicycle ...........................9–10

Battery ..........................10–11

Section 5 eFlow component chart .........12

Section 6 Prior to your rst ride ..........13–22

Installing a quick release

front wheel .......................15–17

Adjusting a quick release

seatpost clamp ...................17–19

Section 7 Operation ................... 23–38

Installing & removing the battery ....23–24

How to ride. . . . . . . . . . . . . . . . . . . . . . . . . . 25

Operating modes ....................26

Display details ....................27–35

Gears & shifting ...................35–36

Range & tips .....................37–38

Section 8 Battery care .................39–45

Charging ........................ 40-43

Storage ..........................43–44

Disposal ............................44

Section 9 Troubleshooting ..............45–48

Flat tire ..........................46–50

Currie Tech Technical and Customer Service: +1 800-377-4532 p. 2/52

I. Introduction: A word about this Owner’s Manual and your

safety…

Dear Customer,

Currie Tech would like to thank you for purchasing our product.

Cycling (electric or otherwise) can be a hazardous activity,

no matter what type of bicycle you ride. Trafc, weather,

distractions, and many other factors can endanger you while

using any type of bicycle or vehicle. Mistakes and accidents

can lead to severe injury or death so please read this manual

before riding our product.

You have a responsibility to learn how to operate your new

bicycle safely and correctly. Keep it in good shape by

maintaining it and making sure that anyone who uses it knows

how to operate it safely.

Please take the time to read and understand the following

warnings and cautions. Throughout this manual we will attempt

to reinforce the guidelines that we have summarized below.

This is important. If others use your bicycle, please show this

section to them so that they are aware of these important

guidelines to help avoid accidents and reduce the severity of

injuries when they occur.

Thank you.

p. 3/52

II. Important Safety Information

• Helmets: There is no single factor that works better at

reducing the severity of injuries sustained in bicycle

accidents more than a quality bicycle helmet. Please

don’t ever ride your bicycle without one.

• It’s not a tandem: Your bicycle was engineered to carry

one (1), [that is a single rider,] person safely. The rack on

the back is for luggage or a battery. Overloading the

bicycle with a second rider is a bad idea that can lead to

severe injury or death! Not to mention the fact that you

will severely impact the performance of the bicycle.

• It’s the law; obey it: Obey all trafc laws. Always ride

on the right side, with, not against, trafc. STOP signs

and trafc lights apply to cyclists as well as cars and

pedestrians.

• Be alert to conditions around you! Unfortunately, a

motorist that has successfully parallel parked his/her car

is not always thinking about the cyclist fast approaching

from behind. An impact with a car door suddenly

opened into your path will ruin your day.

• Weather: If you get caught in rain or snow, please be

aware that distance to stop your bicycle may double or

triple over the distance that it takes under dry conditions.

Ride more slowly and anticipate your stops by applying

the brakes MUCH earlier. Don’t forget that the roads are

a lot more slippery when wet. Bicycle tires don’t grip wet

pavement as well as dry pavement. Take the corners

carefully.

Currie Tech Technical and Customer Service: +1 800-377-4532 p. 4/52

• Night time: Motorists have a hard time seeing you when

the sun goes down. We make the bicycle easier to see

with reectors, and you can help with additional lights

and strobes (available accessories). However, even with

these additional features, you’re still not as visible as in

the daytime. If you must ride at night, wear light-colored

clothing, preferably with reective strips. Buy a ashing

LED light and use it. Make sure that the reectors on

your bicycle are properly positioned and clean. Use the

headlight so that you can see the obstacles in your path.

Ride more slowly. Be wary of cars and assume that they

do not see you.

• Maintenance: It worked ne when we put it in the

box: Please maintain your bicycle. We have included

maintenance instructions in this manual. We’re smart

guys, but we haven’t gured out how to make a bicycle

that takes care of itself. Check the brakes and the tires

and the tightness of all those important fasteners before

each and every ride. Pretend that you’re a pilot doing

a walk-around of his airplane before taking-off. The pilot

knows that his life depends on the airworthiness of his

plane; your life depends on the roadworthiness of your

bicycle. Please have your bicycle checked by a qualied

bicycle mechanic AT LEAST once a year. It’s a small

investment in your well-being.

• Battery: We have equipped your eFlow bicycle with a

state-of-the-art lithium ion battery. This is the same battery

chemistry that powers your cell phone and laptop, but

on a much bigger scale. Lithium ion batteries feature the

highest gravimetric energy density available. (How’s that

for engineering techno-speak? What it means is that you

get more energy per pound than with any other battery

chemistry.) We have built-in a sophisticated battery

management system (BMS) that helps control all that

p. 5/52

energy. But the battery requires care and maintenance

to ensure that it will perform safely and reliably for many

miles of riding. We have devoted an entire chapter of

this manual to the battery. Please read and understand

this important information. As always, if you have any

questions, please don’t hesitate to contact us.

If you have a question about any aspect of riding your bicycle,

please don’t hesitate to give us a call. We love to talk about

the safe use of our products. Or call the Authorized Dealer

where you purchased the bicycle. Remember, we love to do

anything that we can to make sure that you remain a healthy

and loyal customer.

IN SUMMARY:

1. WEAR A HELMET EACH AND EVERY TIME YOU GET ON THE

BICYCLE!

2. Don’t carry passengers.

3. Obey the Rules of the Road.

4. Ride defensively! Watch out for both moving and

stationary cars.

5. Be careful in wet conditions. Braking and traction are

signicantly reduced.

6. Ride carefully at night and make sure you are wearing

high visibility reective clothing.

7. Maintain your bicycle.

8. Care for your battery.

9. Read and study the rest of this manual.

10. If you do not understand any aspect of the use and care

of your bicycle, PLEASE call us: Currie Tech Customer

Service: (800-377-4532).

Important Symbols and Terms

This Owner’s Manual uses the following symbols and terms to call

your attention to Warnings, Cautions and Notes:

Currie Tech Technical and Customer Service: +1 800-377-4532 p. 6/52

Term: WARNING

Meaning: This term calls attention to a Warning. A

Warning indicates a potentially hazardous situation,

which if not avoided, could result in bodily injury or

death, in addition to property damage. Read the text

accompanying the warning to be aware of the specic

hazard.

Term: CAUTION

Meaning: This term calls attention to a Caution. A

Caution indicates a potentially hazardous situation, which

if not avoided, may result in damage to equipment or

inadvertent system failure. Read the text accompanying

the Caution to be aware of the specic hazard and avoid

damage or system failure.

Term: Note:

Meaning: This term calls attention to a Note. The text

accompanying a Note provides helpful or other important

related information.

Please read, understand and follow all Warning, Caution

and Note notices on your eFlow bicycle and those

included in this Manual. If you do not understand any

of this important information, please contact your selling

dealer or the Currie Tech Customer Service Department

at 800-377-4532.

Related Manuals: Many of the components that are installed

on your eFlow bicycle have manuals that provide operating

and maintenance instructions regarding those particular

components. Please read and understand the important

information contained in those manuals as well.

p. 7/52

III. Recording Your Bicycle’s Important Serial

Numbers:

Your bicycle and certain key components have unique serial

numbers. We urge you to record these serial numbers for

warranty purposes or in case your bicycle is ever lost or stolen.

Bicycle: The bicycle’s serial number is located on the underside

of the frame near the pedal crank:

Bicycle serial number: ______________________________

Motor: The motor serial number is on a label attached to the

left side of the motor hub:

Motor serial number: _____________________________

Battery: The battery serial number is on a label afxed to the

right side of the battery:

Battery serial number: _____________________________

Please also record this other important information:

Date of Purchase: ______________________________

Selling Dealer: ______________________________

Street Address: ______________________________

City/State/Zip: ______________________________

Telephone: ______________________________

Salesman: ______________________________

Please keep this information in a safe place for future reference.

Currie Tech Technical and Customer Service: +1 800-377-4532 p. 8/52

IV. Specications*

• Performance

o Maximum speed: 20 miles/hour (32 kilometers/

hour)*

o Maximum range: Up to 20 miles (32 kilometers)*

(with standard battery pack)

o Maximum Weight: 275 lbs (125 kilograms)

*Note: many factors affect speed and range

capabilities of the eFlow bicycle. Terrain, average

speed, rider weight, tire ination pressure, winds, hills,

etc., all have an impact on how far and how fast you

go. Please see the Operations section of this Owner’s

Manual for more details.

• Operating modes

o Power-On-Demand Mode (POD): Motor power

regulated by a twist-grip throttle

o Pedal Assist Mode (PAS): Motor power proportional

to rider pedaling effort

• Bicycle

o Frame Aluminum

o Frame size 14.5”

o Front fork: RST SS-A6-T shock front fork

o Handlebar: Kalloy FB-13

o Handlebar stem: Kalloy AS-025

o Grips: Velo VLG-311

o Rims: 26” Alex FR-30 aluminum

o Tires: Maxxis M2003 26” x 2.0”

o Tubes: CST 26” x 2.0”

o Front derailleur SRAM Apex (2 x 10)

o Rear derailleur SRAM Apex (10 speeds)

o Shifters SRAM SL700 Flatbar trigger

o Front brake: Tektro AURIGA E-SUB 51M

o Rear brake Tektro AURIGA E-SUB 51S

o Saddle: Velo VLG-311

p. 9/52

• Motor

o Type: TDCM brushless, gearless hub motor

o Power rating: 500-watts

• Standard Battery Pack

o Model: HTEnergy

o Chemistry: Lithium Ion

o Conguration: 10S5P, 2.2 Amp-hr 18650 cells

o Rated voltage: 37 Volts

o Rated capacity: 11Ah (407 watt-hrs)

o Weight: 3.9 kg (8.6 lbs)

o Max discharge current: 26A

o Over-discharge limits: 2.30V±0.025V per cell

o Pack cut-off voltage: 30V±4V

o Charge method: Constant Current/Constant Voltage

o Over-charge limits: 4.25V±0.025V per cell

o Max charge current: 5A (0.5C5)

o Max charge voltage: 42V

o Internal resistance: ≤150mΩ

• Optional, High Capacity Battery Pack

o Model: HTEnergy

o Chemistry: Lithium Ion

o Conguration: 10S8P, 2.2 Amp-hr 18650 cells

o Rated voltage: 37 Volts

o Rated capacity: 17.6Ah (634 watt-hrs)

o Weight: 5.2 kg (11.4 lbs)

o Max discharge current: 26A

o Over-discharge limits: 2.30V±0.025V per cell

o Pack cut-off voltage: 30V±4V

o Charge method: Constant Current/Constant Voltage

o Over-charge limits: 4.25V±0.025V per cell

o Max charge current: 5A (0.5C5)

o Max charge voltage: 42V

o Internal resistance: ≤150mΩ

Currie Tech Technical and Customer Service: +1 800-377-4532 p. 10/52

• Charger

o Model: HP8204L3(10S)/36V2A

o Dimensions: 188mm x 93mm x 53mm

o Weight: 850g (1.8lb)

o Input voltage: AC110V~264V/47~63HZ

o Output voltage: 42±0.5VDC

o Output amperage: 2.0±0.2A

o AC line fuse rating: 10 amp

*Note: Specications are subject to change without notice.

p. 11/52

V. eFlow Component Chart

1. Saddle (seat)

2. Seat post/Battery pack

3. Quick-release seat post clamp

4. Adjustable handlebar stem

5. Throttle

6. Display

7. Front tire/wheel

8. Front disc brake

9. Pedal

10. Crank arm

11. Chain ring

12. Kick stand

13. Drive chain

14. Rear tire/wheel

15. Rear derailleur

16. Rear disc brake

17. Rear hub motor

1

2

3

4

5

6

7

8

9

11

12

14

15

16

17

13

10

Currie Tech Technical and Customer Service: +1 800-377-4532 p. 12/52

VI. Prior to your rst ride

IMPORTANT NOTICE: All Currie Tech products are intended to be

delivered in a completely assembled and adjusted condition.

To ensure your total satisfaction, the agreement that we sign with

our dealers prohibits the sale of an unassembled Currie Tech

product. If you are sold an unassembled Currie Tech vehicle,

please call our Customer Service Department at (800) 377-4532.

WARNING: There are no user serviceable elements

incorporated into the motor, motor controller, battery, battery

charger, throttle, or wiring harness of your Currie Tech electric

bicycle. DO NOT ATTEMPT TO DISASSEMBLE OR ADJUST ANY OF

THESE COMPONENTS. Doing so may cause extensive damage

to these components, will void your warranty, and may cause

a hazardous condition. If you cannot resolve a problem using

the troubleshooting guide in Chapter IX, contact your Currie

Tech authorized dealer, or call the Currie Tech Customer Service

Department at (800) 377-4532 for assistance.

Note: Throughout this manual, we will refer to the “right side”

and the “left side” of the bicycle. For clarication purposes,

“left” and “right” are relative to your position when sitting on the

bicycle in the normal riding position.

Note: It is important to fully charge the battery prior to rst

use. Unpack the battery and battery charger, and charge the

battery (per the instructions found in Section VIII of this manual)

for at least 8 hours before using the bicycle for the rst time.

Before you ride:

Use the following checklist to ensure that your eFlow bicycle is

ready for safe and enjoyable use.

• Quick releases: Make sure that the front wheel quick

release and seat height adjustment quick release are

properly adjusted and tight.

p. 13/52

WARNING: Failure to properly adjust and lock the front

wheel quick release may result in the inadvertent separation

of the front wheel while you are riding the bicycle. This

occurrence can result in serious injury or death, and property

damage. Please refer to the instructions below for the

proper installation and adjustment of the front quick release

hub. If you are uncertain about any aspect of the assembly

and adjustment of your bicycle, seek help from a qualied

bicycle mechanic or the Currie Tech Customer Service

Department at (800) 377-4532.

Your eFlow bicycle uses quick release (QR) levers to facilitate

common tasks such as front wheel removal and seat height

adjustment.

When properly adjusted, quick release levers are both safe

and convenient, but you must understand and apply the

correct technique to adjust them properly before riding your

bicycle to prevent serious injury or death from a fall.

Quick release levers use a cam action to clamp the wheel

or other components in place. Because of their adjustable

nature, it is critical that you understand how they work, how

to use them properly, and how much force you need to

apply to secure them.

Warning: The full force of the cam action is needed to clamp

the wheel or other components securely. Holding the nut

with one hand and turning the lever like a wing nut is NOT

a safe or effective way to close a quick release and will not

clamp the wheel or other components safely.

Currie Tech Technical and Customer Service: +1 800-377-4532 p. 14/52

WHEEL QUICK RELEASE USAGE

Riding with an improperly adjusted wheel quick release can

allow the wheel to wobble or fall off the bicycle, which can

cause serious injury or death.

Therefore, it is essential that you:

1. Ask your dealer or a local bike shop to help you make

sure you know how to install and remove your wheels

safely.

2. Understand and apply the correct technique for

clamping your wheel in place with a quick release.

3. Each time, before you ride the bike, check that the

wheel is securely clamped.

Installing a quick release front wheel

In a quick release system, the wheel hub is clamped in

place by the force of the quick release cam pushing against

one dropout and pulling the tension-adjusting nut, by way

of the skewer, against the other dropout. (Please refer to

the illustrations below.) The amount of clamping force is

controlled by the adjustment of the tension-adjusting nut.

Turning the tension-adjusting nut clockwise while keeping

the cam lever from rotating increases clamping force;

turning it counterclockwise while keeping the cam lever from

rotating reduces clamping force. Less than half a turn of the

tension-adjusting nut can make the difference between safe

clamping force and unsafe clamping force.

p. 15/52

1. Remove the tension adjusting nut and one of the small

springs, then slide the quick release skewer through the hub.

If your bicycle has a disc brake, insert the skewer starting on

the side with the brake rotor. Replace the spring and tension

adjusting nut (g. a).

2. If your bicycle has rim brakes, disengage them to increase

the clearance between the tire and brake pads.

3. Install the wheel into the dropouts, making sure the quick

release lever is on the left side of the bicycle.

4. Holding the quick release lever in the OPEN position with

one hand, tighten the tension adjusting nut with your other

hand until it is nger tight against the fork dropout.

5. While pushing the wheel rmly to the top of the slots in the

fork dropouts, and at the same time centering the wheel rim

in the fork, move the quick release lever upwards and swing

it into the CLOSED position (gs. b & c) The lever should now

be parallel to the fork blade and curved toward the wheel.

To apply enough clamping force, you should have to wrap

your ngers around the fork blade for leverage, and the lever

should leave a clear imprint in the palm of your hand.

Currie Tech Technical and Customer Service: +1 800-377-4532 p. 16/52

WARNING: Securely clamping the wheel takes considerable

force. If you can fully close the quick release without

wrapping your ngers around the fork blade for leverage,

and the lever does not leave a clear imprint in the palm of

your hand, the tension is insufcient. Open

the lever; turn the tension adjusting nut clockwise a quarter

turn; then try again.

6. If the lever cannot be pushed all the way to a position

parallel to the fork blade, return the lever to the OPEN

position. Then turn the tension-adjusting nut counterclockwise

one-quarter turn and try tightening the lever again.

7. Re-engage the brake to restore correct brake pad-to-rim

clearance; spin the wheel to make sure that it is centered

in the frame and clears the brake pads; then squeeze the

brake lever and make sure that the brakes are operating

correctly.

WARNING: An improperly secured seat post could lead

to loss of control of the bicycle while riding, causing an

accident that may result in serious injury or death, and

property damage. If you are not sure how to properly

adjust and apply the quick release seat post clamp, please

consult your authorized Currie Tech dealer, or the Currie

Tech Customer Service Department at (800) 377-4532 for

additional instructions.

Adjusting a quick release seat post clamp

In a seat post quick release system, the seat post is clamped

in place by the force of the quick release cam pushing

against one side of the clamp and pulling the tension

adjusting nut, by way of the skewer, against the other. The

amount of clamping force is controlled by the tension-

adjusting nut. Turning the tension-adjusting nut clockwise

while keeping the cam lever from rotating increases

clamping force; turning it counterclockwise while keeping

p. 17/52

the cam lever from rotating reduces clamping force. Less

than half a turn of the tension-adjusting nut can make

the difference between safe clamping force and unsafe

clamping force.

1. With the quick release clamp in the OPEN position, insert

the seat post, with saddle attached, into the bicycle’s seat

tube. (Refer to the illustrations above.)

2. Swing the quick release lever into the CLOSED position.

3. Grab the saddle with both hands and attempt to push it

down.

4. If you are able to force the seat post further into the frame,

the seat post clamp needs to be adjusted. Holding the quick

release lever in the OPEN position with one hand, tighten the

tension-adjusting nut with your other hand about 1/2 turn

clockwise.

5. Attempt to swing the lever into the CLOSED position. If the

lever cannot be pushed all the way to the CLOSED position

(g. b), return the lever to the OPEN position, then turn the

tension adjusting nut counterclockwise one-quarter turn

and try tightening the lever again. Repeat steps 3, 4 & 5 until

Currie Tech Technical and Customer Service: +1 800-377-4532 p. 18/52

proper quick release tension is achieved.

Tires:

Bicycle tires normally lose pressure over time. An under

inated tire can cause premature tire failure, and will require

signicantly more energy (electric and human) to propel the

bicycle. Low tire pressure will have a signicant negative

impact on battery range. Ensure that both front and rear

tires are inated to the recommended tire pressure indicated

on the sidewall of the tire. Check the tires for any damage

or unusual wear. The tire should be properly seated in the rim

and the t of the tire bead in the rim should be periodically

checked. Ensure that the tire is not cracked or excessively

worn. Check for foreign objects in the tread, and that the

valve stem is straight in the rim. Damaged or worn tires

should be replaced immediately. Take the bicycle to a

qualied bicycle mechanic to repair and/or replace your

tires if necessary.

Reectors:

Your bicycle comes equipped with eight (8) reectors (front

handle bar, rear fender, front wheel, rear wheel and two

each on the left and right pedals) to make you more visible

at night. Please ensure that those reectors are in place,

properly positioned and clean before each ride.

Drive chain:

Your eFlow bicycle is equipped with a high quality roller

chain that needs to be cleaned and lubricated regularly.

p. 19/52

Brakes:

Check your brakes before each ride.

WARNING: Riding with brakes that are damaged,

excessively worn and/or misadjusted will signicantly

degrade the stopping capabilities of your bicycle. This

condition could lead to an accident resulting in serious

injury or death, and property damage. If you are uncertain

about any aspect of the assembly and/or adjustment of your

bicycle, seek help from a qualied bicycle mechanic or the

Currie Tech Customer Service Department at (800) 377-4532.

WARNING: Bicycle brakes lose effectiveness when wet.

Avoid riding in wet weather. If it is unavoidable, be aware of

the fact that stopping your bicycle will require extra distance.

Ride more slowly, keep a greater distance between yourself

and other trafc, and begin braking sooner than normal.

Failure to take these precautions could lead to an accident

causing serious injury or death, and property damage. If you

are uncertain about any aspect of the brake operation under

any condition, seek help from a qualied bicycle mechanic

or the Currie Tech Customer Service Department at (800) 377-

4532.

Test the function of your brakes by riding your bicycle in

an area free from trafc and obstructions prior to every

ride.

• Brake cut-off switches: To maximize the effectiveness

and efciency of the braking system, and to save

battery power, your eFlow bicycle uses a system that

turns power to the motor “OFF” when the brakes are

applied. Check the function of the brake cut-off

switches before each ride. To do so, turn the power

“ON”, set the Mode to POD (see below), lift the rear

wheel off the ground by pushing the bicycle onto the

lowered kickstand, and actuate the throttle.

Currie Tech Technical and Customer Service: +1 800-377-4532 p. 20/52

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