Velotric Thunder 1 User manual

Thunder 1
Quick Start
Guide

Congratulations
on purchasing a
Velotric
Thunder 1.

Contents
This guide will get your new bike set up and ready to ride.
What's in the Toolkit
Bike Assembly
Bike Maintenance
Bike Diagram
We highly recommend that you to follow along this video tutorial to assemble
your bike. Simply scan the QR code below.
Or visit:
velotricbike.info/thunder1

04 05
What’s in the Toolkit What’s in the Toolkit
Left / Right Pedal
Front Light
Kickstand
Rear Light
Kickstand Bolt × 2
Bell
Phone Mount
Quick Start Guide
App Manual
Tool Bag
Adapter & Charging Cable
Front / Rear Reector
L R
Phillips Screwdriver
M15 / M8 Wrench
M4 / M5 / M6 Hex Key
a
a
c
c
b
b

06 07
Step 1 Kickstand & Handlebar Bike Assembly
Install the kickstand
on the left chain stay.
Tighten the bolts with
the M4 hex key.
1. Turn the handlebar 90
degrees toward the
frame.
2. Make sure the
headtube is locked
with the front fork.
3.
90°
Step 2 Front Wheel
Bike Assembly
Take out the brake pad
spacer from the front
brake caliper. Remove
the hub axle from the
fork with the M6 hex
key.
1. Gently slot the wheel
into the fork.Ensure the
brake caliper is on the
same side of the brake
disc.
2. Tighten and secure the
front wheel bolt with
the M6 hex key.
3.

08 09
Step 4 Pedal
Bike Assembly
Differentiate the right
and left pedals by the
stickers on the pedals.
1. Screw the right pedal
onto the pedal arm
by turning the pedal
clockwise by hand.
Tighten with a wrench.
2. Screw the left pedal
onto the pedal arm
by turning the pedal
counter-clockwise by
hand. Tighten with a
wrench.
3.
R
R
L
L
Step 3 Brake Lever Bike Assembly
Loosen the bolt on the
left brake lever with the
M5 hex key.
1. Loosen both bolts on
the right brake lever
and shifter.
2. Twist the brake on both
sides to a comfortable
angle.Tighten the bolts.
3.
NOTE The right and
left pedals are different.
!

10 11
Step 5 Saddle Bike Assembly
Loosen the seat post
clamp with a M5 hex
key, and insert the
seat post into the bike
frame.
1. Raise or lower the
saddle to a height
which suits you.
2. Tighten up the seat
post clamp again with
the M5 hex key. Ensure
the clamp is rmly
tightened.
3.
Step 6 Front Light & Front Reector
Bike Assembly
Unscrew the bolt from
the light.Attach the light
to the mount bracket.
Adjust the light to a
desirable angle.
1. Fix the bolt and nut with
the Phillips screwdriver
and the M8 wrench.
NOTE The reector
can be attached with
the front light mount as
illustrated.
2. Connect the two front
light cables.
3.
!

12 13
Step 7 Rear Light Bike Assembly
Remove the bolt on the
rear light clamp and
mount the light to the
seat post.
1. Adjust the light angle
(perpendicular to the
ground) and tighten the
bolt.
2. Remove the lm
spacer and press the
power button to turn
on the light.
3.
90°
Ground
Peel off the protective
layer from the 3M
adhesive.Position the
adaptor to the center
of your phone case.
1. Press down rmly on
the adaptor. The tape
will achieve maximum
adhesion after 24 hours.
2. Attach your phone to
the stem mount and
twist the phone 90
degrees clockwise to
secure the attachment.
3.
90°
Step 8 Phone Mount
Bike Assembly

14 15
Step 9 Charging Bike Assembly
The charging port is
located on the left side
of the frame's bottom
bracket near the pedal
arm.
1. To charge your bike,
plug the included
adapter into the bike.
Ensure the charger is
connected to a power
outlet.
2. A green light indicates
your bike is fully
charged.A red light
indicates your bike is
still charging.
3.
Fully
charged
Charging
Press and hold the power
button to turn on the bike.
Press and hold the light
button to turn off the bike.
The color of the LED ring
indicates the pedal assist
level you are on.
Press the light button to
turn the front light on or off.
Press [+] or [-] to shift the
pedal assist level up or
down.
Press and hold the [-] to
enable Walk Mode, release
to stop.
Bike Assembly Step 10 Test the Features

16 17
Step 11 Disc Brake Calibration Bike Assembly
Spin the wheel and listen
for any scraping sounds.
These indicates signs of
rubbing.
1. If there's signs of rubbing,
loosen the screw with a
M4 hex key so the brake
caliper can move freely.
Adjust the clearance
between the brake pad
and disc until you can no
longer hear any sounds
when spinning the wheel.
2. Tighten the screws.
Spin the wheel to
check for any sounds.
3.
Rear Light Battery Replacement
Unscrew the bolt on
the back of the light to
take it off.
1. Insert a coin beneath
the lid, spin the coin,
and lift it open.
2. Replace both batteries.
Put the lid back on and
press the power button
to turn on the light.
3.
NOTE Replace with two CR2032 batteries.
Coin
!

Bike Maintenance
Keep it Clean
Parts Replacement
Brake Pads
Clean your e-bike with water or mild
detergent and a non-abrasive sponge.
Never spray your bicycle with a high-
pressure water source (e.g.hose).
If you need to replace any bike parts (e.g.
worn brake pads), visit your local bike
shop or go to velotricbike.com. Use only
genuine replacement parts.
Check your brake pads for wear at least once
a month.
Disc brakes:
Replace brake pads that are thinner than 1mm.
Do not spray directly onto bearing points or
electrical parts. Do not use harsh chemicals
or alcohol wipes to clean your bike.
If you use anything other than genuine
replacement parts you will compromise
the safety, performance, and/or warranty
of your bike.
Disc brake rotors:
Check the thickness/wear of the rotor.
The minimum thickness is often printed on
the disc.
Bike Maintenance
Tires
Derailleurs
Check your tires regularly before you ride.
We suggest checking around once a week
if you ride daily, or every other time if you
ride less often. A properly inflated tire is
the first step to improving your bicycle’s
performance.
Shift the gears through all the sprocket
combinations to make sure the derailleurs
operate smoothly and correctly, and
ensure the chain does not come off.
The recommended pressure for Velotric
tires is indicated on the side of the tire.
Pay close attention to your tire gauge to
get the tire pressure as close as possible
to the recommended pressure. Do not go
above the recommended pressure.

Head Tube
Front Light
Handlebar
Stem
Fingerprint Module
Saddle
Rear Light
Seatpost
Seatpost Clamp
Motor
Cassette
Rear Derailleur
Chain
Crankset
Pedal
Brake Rotor
Brake Caliper
Puncture-resistant Tires
1
1
11
11
10
10
12
12
16
16
13
13
17
17
14
14
18
18
15
15
2
2
6
6
3
3
7
7
4
4
8
8
5
5
9
9
Bike Diagram

Dene
Your
Adventure.
Dene
Your
Adventure.

Contact
Website: www.velotricbike.com
E-mail: [e-mail]
Phone: [phone]
Hours: Monday-Friday, 7AM-6PM PST

V2.0