Radio Flyer FLYER CRUISER Bedienungsanleitung

F LY E RTM CRUISER OWNER’S MANUAL

Welcome to the Flyer™ Fleet

Congratulations on your new Flyer™ Cruiser!

The Flyer™ line delivers a high-performance experience for riders of all ages,

ranging from micromobility solutions for families to premium wheels for kids. As

an extension of the Radio Flyer® brand, Flyer™ products are created with the

same beautiful design and quality that has inspired our work for over a century.

We hope your new Flyer™ Cruiser offers a fun, sustainable, and convenient way to

get out and explore your world.

We can’t wait to see where your new ride takes you.

Cheers,

The Radio Flyer Team

Time Flies. Enjoy the Ride.®

ABOUT THIS MANUAL

This owner’s manual contains details of your Flyer™ eBike including instructions for

assembly, operating, and maintenance. To ensure safe use and prevent injury, please

carefully read all information in this manual before use. Take time to familiarize yourself

with your Flyer™ eBike before use.

While this owner’s manual is meant to introduce you to your Flyer™ eBike, it is impossible

to guide owners on every possible scenario when using a bicycle. There are inherent risks

using any bicycle and it is the owner’s sole responsibility to ensure safe riding. Always take

responsibility for your own safety.

Please keep this manual for future reference. If you have any questions about your eBike,

contact the Radio Flyer Customer Service Team. Our award-winning service team is

committed to providing you with world class support, right from Chicago.

Phone: 1-800-621-7613

Email: customerservice@radioflyer.com

Customer Service Hours: 8am – 5pm CST, Monday through Friday

Flyer™ Service Website: yer.radioyer.com/customer-service

4 5

TABLE OF CONTENTS

Important Safety Instructions

Getting Started

Assembly Instructions

Accessories

Adjusting Bike Fit

Operating Instructions

Handlebar Display

Flyer™ Smartphone App

Flight SpeedTM Battery

Motor Control

Riding & Safe Operating Guidelines

Ride Safety Checklist

Maintenance

Moving and Storage

Troubleshooting

Warranty

Important Safety Instructions

SAFETY WARNINGS

• Read all safety warnings and instructions before using the product. Failure to

follow warnings and instructions may result in serious injury or death.

• To reduce the risk of injury, close supervision is necessary when the product

is near children.

• Do not put fingers or hands near spokes or moving parts.

• Riders must be 16 years of age or odler to operate the Flyer™ eBike. Always

ensure riders have the physical coordination and skill to navigate the bicycle

safely while managing road conditions, traffic and adhering to all laws for

bicycle use.

• Please check local laws to confirm legal requirements for using your eBike.

The Flyer™ eBike is meant for paved roads and sidewalks, not

off-road conditions.

• Do not use the Flyer™ eBike at ambient temperatures less than 14°F (-10°C)

or above 104°F (40°C)

SAVE THESE INSTRUCTIONS

WARNING! When using this product, basic precautions should

always be followed including the following:

8 9

Getting Started

WARNING! Incorrect assembly, maintenance, or use of your Flyer™ eBike can cause

component failure, loss of control, serious injury, or death. Please note, the assembly and first fit

of your Flyer™ eBike require special tools and mechanical skills. It is highly recommended that the

assembly and adjustment are completed by a reputable bicycle mechanic when possible.

The following items are required for assembly:

• 3mm allen wrench (included)

• 4mm allen wrench (included)

• 5mm allen wrench (included)

• 6mm allen wrench (included)

• 8mm allen wrench (included)

• 15mm open-ended wrench (included)

Step 1: Unpack your bike

Note: Due to the size and weight of the bike, it is recommended that two adults remove

and lift the bike from the carton.

Remove the bike from the outer carton and set it on a flat, clean surface. Place the

bike upright, resting on the rear wheel and front fork. Remove all protective packaging

material and carefully cut all zip-ties to avoid damaging the paint. Verify that you

have all of the components listed below. Contact Radio Flyer Customer Service if any

components are missing.

• Front Wheel

• Front Fender

• Pedals

• Headlight

• Headset Cover

• Handlebar Stem Rubber Plugs

• FLYER Front Logo Plate

• Charger

• Tool Kit

• Keys

• 18mm open-ended wrench (included)

• Scissors or flat-sided cutters

• Tire pump

• Pedal grease (recommended)

• Torque wrench (recommended)

ASSEMBLY INSTRUCTIONS

The following steps provide a general overview of the assembly

process for your eBike. It is recommended to consult a

professional bicycle mechanic for assistance with your eBike’s

assembly, maintenance, and repair.

Visit yer.radioyer.com or contact customerservice@

radioyer.com for additional assistance assembling, using,

repairing or maintaining your eBike.

Step 2: Install kickstand

A. Remove the kickstand bolt and washers using the provided 8mm allen wrench.

Set aside.

B. Align the kickstand with the mounting plate located near the rear fender. Ensure the

kickstand is oriented in the correct direction, as shown in image B below.

C. Install the kickstand bolt and washers through the mounting plate and into the top of

the kickstand bracket. Tighten bolt by hand.

D. Fully tighten the kickstand bolt to 25 Nm using the provided 8mm allen wrench.

Note: After completing Step 2, deploy the kickstand and rest the bike on the kickstand

and rear wheel for the remaining assembly steps.

10 11

Step 3: Install handlebar stem

Your Flyer™ eBike’s handlebar stem is designed to be adjusted for optimal comfort.

A. Remove the protective cover from the handlebar stem and discard.

B. Install the headset cover on top of the headset bearings.

C. Insert the handlebar stem into headtube a minimum of 45mm. Ensure that the

“minimum insertion” markings are not visible before proceeding.

D. Align handlebar with the front fork. Check the handlebar orientation matches the

image below and that the cables are not twisted.

E. Tighten the stem bolt to 20 Nm using the provided 6mm allen key.

F. Install the rubber caps over the stem bolt and stem clamp screws.

Step 4: Install the front logo plate

A. Remove the screws and washers using the 3mm allen wrench and set aside.

B. Align the wire harness, rear brake cable, and shifter cable between the threaded

posts on the headtube. Route the front brake cable to the side of the threaded posts

as shown in image B.

C. Align the logo plate with the threaded holes and reinstall the washer, lock washer, and

screw using the provided 3mm allen wrench.

Note: Complete assembly of the bike per the steps below. The stem and handlebar angle

can be adjusted as needed based on rider preference. Always re-tighten bolts to the

speciﬁed torque values prior to riding.

Note: Following installation of the front logo plate, check that the cables and wires can

move freely by turning the handlebars fully to either side. If any resistance occurs, the

wires and cables should be repositioned by sliding them up or down along the headtube.

12 13

Step 5: Install the front wheel

The bike is shipped with a steel spacer installed in the fork dropouts to prevent damage

during shipment. Prior to installing the front wheel, this spacer must be removed by first

disassembling with the 18mm wrench and can be discarded.

A. Remove the nuts and washers from the front axle and set aside.

B. Align the wheel to the fork so that the fork dropouts rest on the axle. Ensure the fork is

fully seated on the axle, the wheel is centered on the fork, and the brake rotor is centered

in the caliper assembly.

C. Reinstall the washers and thread the nuts onto the axle by hand. Ensure the tab of the

hook washer is fully inserted into the hole on the fork before tightening axle nuts.

D. Fully tighten the nuts using the provided 15mm open-ended wrench. Confirm the nuts

are tightened to 25 Nm using a torque wrench.

WARNING! An improperly secured front wheel or handlebar stem can cause serious injury

or death. Always check that the front wheel and handlebar stem are secured to the bike before

each ride.

Step 6: Install the front fender

A. Remove the screw and washers at the top of the fork using the provided 3mm allen

wrench. Set aside.

B. Using the provided 3mm allen wrench, remove the screws on either side of the fork.

Set aside.

C. Position the fender inside the fork, lining up the bracket to the threaded hole in the

top of the fork. Reinstall the screw and washers using the 3mm allen wrench.

D. Align the fender frame with the threaded holes in the fork. Re-install the screws and

washers using the provided 3mm allen wrench.

14 15

Step 7: Install headlight

A. Fully install the connector to the rear of the headlight housing ensuring the terminals are

properly aligned

B. Using the provided 3mm allen wrench, remove the screw and washers from the front of

the fork. Set aside.

C. Align the headlight bracket with the fork and reinstall the screw with washers using the

3mm allen wrench.

D. Adjust the angle of the headlight beam to illuminate the road ahead, while ensuring the

light will not blind or obscure the vision of oncoming traffic or pedestrians.

Note: It is not recommended to ride at night. If riding at night cannot be avoided, ensure the

headlight is always on and functioning correctly while you are riding.

Step 8: Install pedals

A. Identify the right and left pedals before assembling. The right pedal will have a

smooth axle while the left pedal will have notches on the axle.

B. Install washers onto each pedal before installing.

C. Install the right pedal to the crank arm by turning the axle clockwise by hand.

D. Install the left pedal to the crank arm by turning the axle counter-clockwise by hand.

E. Use the provided 15mm wrench to torque both pedals to 35 Nm.

Note: We recommend applying pedal grease to the threads prior to installation.

C DB

16 17

Step 9: Check fastener torque values

Step 10: Inate tires to 35-55 psi

WARNING! It is important to maintain proper air pressure in

the tires while riding. Do not overinflate or underinflate the tires.

Overinflated tires may burst. Inflate your tires using an air source with

a pressure gauge to avoid overinflation. Underinflated tires may impair

the control of the eBike and cause a safety hazard.

Area of Bike Hardware Torque (Nm)

Handlebar Stem Clamp Bolts 18

Stem Expansion Bolt 20

Brake Lever Clamp Bolts 7.5

Seat Post Saddle Mounting Bolts 10

Kickstand Kickstand Bolt 25

Front/Rear

Brakes

Disc Brake Rotor to Hub 8

Caliper Adapter to Frame 13

Caliper to Adapter 13

Front Fork Fender Connection Screw 7.5

Headlight Screw 7.5

Front Axle Nut 25

Rear Dropout Rear Axle Nuts 35

Derailleur Hanger Screw 35

Bottom

Bracket

Crank Arm Bolt 45

Pedal into Crank Arm 35

Chain Ring Bolts 45

ACCESSORIES

Radio Flyer carries a full line of custom accessories to enhance the usability of your

eBike. Please refer to the instruction sheets provided with each accessory to ensure

proper assembly. Visit yer.radioyer.com or contact customerservice@radioyer.com

for additional assistance assembling, using, or repairing your accessories.

WARNING! Incorrect installation of accessories can cause

damage to the bike frame, loss of control, serious injury, or death.

WARNING! The seat post must be inserted to the minimum insertion mark. Do not raise the

seat post beyond the minimum insertion marking on the seat post tube. If the seat post is not

inserted properly, the seat may be loose which can lead to serious injury or death.

ADJUSTING SEAT HEIGHT

The seat height should be set based on your personal preference. The initial seat position

can be set by first placing the ball of your foot on the pedal with the crank arm in its lowest

position. In this position, your leg should be almost fully extended with a slight bend in your

knee. The proper seat position is important to avoid strain and potential injury during riding.

Consult a trusted, reputable bike mechanic or contact Flyer customer service for any questions

related to the seat position and fit of your bike.

A. Open the quick release lever located under the saddle. Rotate the lever fully open to allow

the seat post to slide easily.

B. Move the seat up and down by sliding the seat post in or out of the seat tube. Set the saddle

to the desired height based on rider preference. Ensure that the seat post does not extend

beyond the “minimum seat post insertion” markings on the seat post.

C. Close the quick release lever fully against the seat post tube. This should take some force to

ensure the seat post will stay firmly in place while riding.

ABC

18 19

ADJUSTING HANDLEBAR STEM HEIGHT

Following assembly of the bike, the handlebar stem height can be adjusted to fit the

individual rider.

A. Remove the rubber cap. Using the provided 6mm allen key, loosen the stem bolt.

B. Adjust the stem to you preferred height taking care not to extend beyond the minimum

insertion mark.

C. Re-tighten the stem bolt to 16 Nm. Reinstall the rubber cap.

ADJUSTING HANDLEBAR ROTATIONAL POSITION

The rotational positon of the handlebar can also be adjusted to fit the individual rider.

Ensuring that the handgrips and brake levers are in the correct position will avoid any

strain or discomfort while riding.

A. Using the provided 5mm allen wrench, loosen the two stem clamp bolts.

B. Rotate the handlebar until the preferred position is achieved checking to ensure the

handlebar is centered left-to-right within the stem clamp.

C. Evenly tighten the bolts to 6 to 8 Nm using a torque wrench ensuring the gap

between the stem and clamp is even.

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