BIKESTAR City Manuel utilisateur
Assembly Instructions for
City Bicycles
2
Dear customer,
Congratulations on the purchase of your new bicycle from our online bike shop! Our expert bike mechanics have already comple-
tely assembled your new bicycle, made all the necessary ne adjustments (such as shift and brake adjustments) and carried out a
thorough check of all of its functions.
You will notice that we have used specially-developed protective packaging on your new bike, for the best possible protection
during the delivery process. We have also dismantled the saddle, pedals and the front wheel to protect these components during
transport.
Before your rst ride, all you have to do is install the front wheel, adjust the handlebars and mount the saddle and pedals. These
steps are all quite easy and quick to undertake – without any prior experience or knowledge.
You’ll nd the tools and components you need safely stored in your bike box. This assembly guide will take you step-by-step, from
the unpacking to your very rst ride.
We wish you a lot of fun with your new bike!
Watch out for the following symbols:
ATTENTION NOTE
The steps described over the following pages may somewhat dier from the steps required for your specic bicycle model. The
image material used shows the typical work steps that are usually required.
All of our bike models come with an EU standard brake setup. This setup will need to be reversed to comply with UK cycling
standards.
Bicycles without lighting systems do not comply with the provisions of the Road Vehicle Lighting Regulations once the sun has set.
Please note that unless satisfactory lights and reectors are tted, the use of these models is not permitted on public roads at night.
Each individual bike has a stamped number for identication. Please make a record of the frame number of your new bike.
The frame number is usually found in the bottom bracket area. Depending on the manufacturer, however, the position of the
frame number may dier (seat tube, head tube or fork end). Write down your frame number on the invoice.
Important notes
Introduction
3Contents
1. Delivery
2. Front wheel assembly
2.1 Preparing the front wheel & fork
2.2 Preparing the brakes
2.3 Installing the front wheel
2.4 Securing the front wheel
2.5 Installing the brakes
2.6 Functional check
3. Adjusting/Installing the handlebars & stem
3.1 Adjusting Ahead stem & headset bearings
3.2 Adjusting quill stem on threaded headset
3.3 Adjusting the handlebars
3.4 Re-mounting dismounted handlebars
4. Mounting the saddle & seatpost
5. Fitting the pedals
6. Final check & test drive
7. Maintaining the bicycle
Contents
4Delivery
Unpacking all the components from the bike box:
Open the bicycle box and remove the transport safety device on the rear wheel. On
some models, the front wheel is secured to the handlebars with a cable tie. Please
also remove this cable tie. Remove the front wheel from the box. For a disc brake
front wheel, please avoid touching the brake disc. ( g. 2)
1. Delivery
What is in the package? ( g. 1)
1 x assembled, checked and safely packaged bicycle
1 x separate front wheel
1 x combination saddle/seatpost
1 x accessory box containing an instruction manual, tools, accessories and pedals (if
included with your bike model)
g. 2
g. 1
g . 3 g . 4
g . 5
Remove the seat post with the saddle and the frame with the
rear wheel. ( g. 3-4)
Remove the accessory box. In this you will nd the manufacturer‘s manual, the
included mounting tool and any accessories such as pedals and front-wheel quick
releases. ( g. 5)
g . 7
g . 6
Carefully remove packing material from
the frame and fork as well as the trans-
port safety devices on the crank and the
derailleur. ( g. 6-7)
5Front Wheel Assembly - Preparing the front wheel and fork - Quick release
After unpacking all the components, the front wheel should be installed to place the new bike on its "feet“ for all further work. So
that the front wheel can be mounted correctly into the fork, several steps must rst be taken on the front wheel, fork and brakes.
Below you will nd the necessary instructions needed for your specic brake and front wheel type.
2.1 Preparing the front wheel and fork
Please nd and follow the appropriate section for your model:
2. Front wheel assembly
g. 3
g. 2
g. 4
g. 1
A
B
Remove the quick release from the accessory package, loosen the spring clip (A) and
remove the one spiral spring (B). (g. 2)
a) Quick-release front wheel & quick release:
Remove the protective plastic cover on the right and left of the hub at the centre of
the front wheel. (g. 1)
Insert the quick release through the axle
of the front wheel. (g. 3)
Put the spiral spring back on the quick
release. (g. 4)
The thin end of the spiral spring should always point towards the center of the hub.
g. 5
Screw the clamping nut on slightly (g. 5)
The front wheel is now properly prepared.
6
g. 6
For front wheels with disc brakes (left), the quick release lever should be placed
on the right side. Please do not touch the disc brake rotor, as it may become
contaminated with oil or grease and this could lead to compromised braking
performance. (g. 6)
Front Wheel Assembly - Quick release
g. 7
g. 8
g. 9
In the case of front wheels with rim brakes, the quick release lever can typically be
found on the left side. (g. 7) For bicycles with a hub dynamo, the hub connector must
always be on the right side in the direction of travel.
On wheels without a brake disc, the running direction of the tyre will be printed on the
tyre sidewall. This will help you determine the left and right sides of the wheel.(g. 8)
To prepare the fork, remove the transport safety device from the fork end. (g. 9) In the
conventional quick-release system, the transport safety device only protects the fork
when the front wheel is removed. It is not required to mount the wheel.
7
g. 1
g. 2 g. 3
b) Front wheel screw axle with axle nuts
Remove the two plastic protective covers on the left and right of the hub, in the cen-
tre of the front wheel. (g. 1)
Under the cover, the hub axle is now
visible. You will see the hub axle without
a hole, with an external thread, as well as
an axle nut and a washer on each side.
Loosen the two axle nuts on the hub
axle using a 15 mm open-end spanner
until there is a 5-10 mm gap between
the hub and the nut. (g. 2-3)
Please ensure that a washer is installed on each side.
g. 4
In order to prepare the fork, the transport safety device should then be removed
from the fork end. In the conventional screw axle system, the transport safety device
only protects the fork when the front wheel is removed. It is not required to mount
the wheel. (g. 4)
Front Wheel Assembly - Screw axle with axle nuts
8
g. 1
c) Front wheel for thru-axle
Remove the two plastic protective covers on the right and left of the hub, in the cen-
tre of the front wheel. A hollow axis with 12, 15 or 20 mm internal diameter is now
visible. (g. 1)
This is where the mounting axis is mounted in the next step.
g. 2
g. 3
The fork should then be prepared for the installation of the front wheel. For fork and
front wheel for pin-axle mounting (12, 15 or 20 mm diameter), the axle is mounted in
the fork end for transport. (g. 2)
It must now be completely unscrewed and put aside ready for use for the subse-
quent assembly. (g. 3)
Front Wheel Assembly - Thru-axle
9
g. 1
g. 2
g. 3
C
D
2.2 Preparing the brake
a) Rim brake: V brake - Disconnecting the brake
On bikes with V-brakes, the brake must be suspended for mounting the front wheel.
This is the only way to t the assembled and air-lled tyre through the brake system.
No screw must be loosened.
Press both brake arms together by hand to release the brake cable. (g. 1)
Suspend the brake cable by removing the metal tube (C) from the metal rail (D) of the
right brake arm in the direction of travel. (g. 2)
The brake is now suspended and will allow the front wheel to be tted with an
air-lled tyre. (g.3)
g. 4
If the transport safety device has been removed, the front bake should not be operated before the front wheel is tted with the
disc brake.
b) Disc brake – Removing the transport safety device
In the case of bikes with hydraulic or mechanical disc brakes, a transport safety de-
vice is installed between the brake linings on the brake calliper. This must be pulled
out before installing the front wheel. (g. 4)
Front Wheel Assembly - Preparing the brake
10
c) Rim brake: Road bike brake – Opening the brake
In the case of bikes with road bike bra-
kes, the brake cable must be released to
mount the front wheel. This is the only
way to t the assembled and air-lled
tyre through the brake system. No screw
must be loosened.
A lever is located on the lower brake arm
for tool-free relaxation and tensioning
of the brake cable. This must be moved
from the closed position (bottom) to the
open position (top). (g. 1-2)
g. 2g. 1
The brake is now suspended and will allow the front wheel to be tted with an air-lled tyre.
d) Rim brake: Hydraulic Magura
On bikes with hydraulic rim brakes, the brake must be unhooked to mount the front wheel. This is the only way to t the assem-
bled and air-lled tyre through the brake system. This does not require the loosening of any screws.
On the left brake body there is a tool-free
quick release fastener. Open the quick
release fastener labelled „Close“ by tilting
the lever downwards. (g. 3-4)
g. 4g. 3
g. 5
Pull the entire left brake body from the brake base of the fork. Be careful not to bend
or damage the hydraulic brake cable. (g. 5)
The hydraulic rim brake is now suspended and allows the front wheel to be
tted with an air-lled tyre.
e) Roller brake
As with the disc brake, there is no need to unhitch the roller brake when installing the front wheel. The brake cable is already
suspended. A transport safety device must not be considered.
Front Wheel Assembly - Preparing the brake
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