Magura HS33 User manual

THE PASSION PEOPLE
www.magura.com
Owner's manual
HS 33 · HS 11

COntents
3
ENGLISH
Diagrams
intrODuCtiOn
Preface ...............................12
Legend ...............................12
teChniCal speCifiCatiOns
Specifications ....................13
Dimensions ........................13
safety
Intended use ......................14
Basic safety instructions ....14
installatiOn
Fit the brake .......................16
General ................................ 16
Installing brake lever ........... 16
Installing brake cylinders ..... 17
Adjusting brake cylinders .... 17
Adjusting the quick release
skewer ................................. 18
Installing the brake booster . 18
Shortening brake hose ........18
Adjusting the brake levers ... 18
On the mOve
Prior to your first ride .........19
Before each ride .................19
Opening the brake for
dis-/mounting the wheel ...19
Applying the brake .............19
Setting the pressure point/
compensating for pad wear 19
maintenanCe
Regular ...............................20
Changing brake shoes ........21
Bleeding and filling brake ...21
rules
Warranty ............................23

Diagrams
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4
F
G
TD
1
E

Diagrams
ENGLISH
5
A2
4 N·m (35 lbf·in) max.
T25
A1
2
11
T25
B2
5
4
4
3
T25
B1
2
1

Diagrams
THE PASSION PEOPLE
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6
B5
T25
B3
1
HS 11 HS 33
B4
66
B6

Diagrams
ENGLISH
7
6 N·m (53 lbf·in) max.
T25
B7
4
4
3
6 N·m (53 lbf·in) max.
T25
C1
4
4 N·m (35 lbf·in) max.
8 mm
~12 mm
~5 mm
D1
1
2
D2

Diagrams
THE PASSION PEOPLE
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8
F1
1
4 N·m (35 lbf·in) max.
8 mm
D4
~5 mm
D3
4
5
1
HS 11 HS 33
T25
E1
11

Diagrams
ENGLISH
9
CLOSED OPEN
4,5 N·m (40 lbf·in) max.
T25
G1
1
23
6
7
5
1
4
HS 11 HS 33
H1
11

Diagrams
THE PASSION PEOPLE
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10
L1
1
23
K1
CLIC !1 mm min. !
J1
4 N·m (35 lbf·in) max.
8 mm
L3
2
5
4

Diagrams
ENGLISH
11
HS 11
L6
3
HS 33
HS 33
0,5 N·m (4 lbf·in) max.
T25
L7
3
HS 33
0,5 N·m (4 lbf·in) max.
T25
L5
10
11
HS 11
4 N·m (35 lbf·in) max.
8 mm
L4
8 9
6
7

12
intrODuCtiOn
THE PASSION PEOPLE
www.magura.com
prefaCe
Welcome to the PASSION PEOPLE,
You have purchased a powerful, low-maintenance MAGURA HS hydraulic
rim brake of the latest generation – developed in Germany.
This owner's manual is an integral part of your MAGURA product and gives
you details of the required tools, correct installation, safe use, mainte-
nance and setup options.
Please read this manual carefully before you install or use your MAGURA
product. Always observe and follow all instructions on installation, use
and maintenance provided in this manual and in manuals by third-party
manufacturers whose products you use on your bicycle (headset, stem,
wheels, brakes, etc.).
Remember that the mechanic who installs your MAGURA product is
responsible for the suitability and compatibility of all the components
technically linked to your MAGURA product.
Failure to observe the instructions in this manual can lead to serious or
fatal accidents.
You can find the diagrams that this manual refers to in the folder in the
front cover.
The figures in this manual may differ slightly from your MAGURA product,
however, the required steps are the same for all types and variants – if not
stated to the contrary.
The type name
(1) of your MAGURA brake can be found on the brake
lever
[TD].
Please note that the braking characteristics of your bicycle may be
changed by installation of the new brake.
Familiarize yourself with any changes in the braking characteristics of your
bicycle during the first few rides.
legenD
)The pointing finger prompts you to perform an action.
ÎÎThe arrow shows results or requirements.
 This notice gives you additional information or tips.
(3) refers to an item number in the graphic area – e. g. item ô.
[B2] refers to a diagram in the graphic area – e. g. figure B2.
HS 11: A notice with this identification refers exclusively to the type HS 11.
HS 33: A notice with this identification refers exclusively to the type HS 33.
This notice warns you about a dangerous situation which can lead to
serious or fatal injury if not avoided.
This notice warns you about a dangerous situation which can lead to
minor or slight injury if not avoided.
This notice warns you about the risk of material or environmental
damage.
Keep this manual for other users of your MAGURA product. Make sure
that each user reads, understands and observes this manual.
If you sell or give away your MAGURA product, be sure to hand over this
manual to the new owner.
Visit www.magura.com for more tips and information on your MAGURA
product. You can also exchange experiences, ask questions and generally
“talk shop” with many PASSION PEOPLE members on the MAGURA
Forum.
We wish you great success and a great ride
Your MAGURA Team
IntroductIon

teChniCal speCifiCatiOns
13
ENGLISH
technIcal SpecIfIcatIonS
Type name HS 11 HS 33
Clamping Ø brake lever (L7)
[TD]
mm
22 +0.3/-0.1
Cantilever socket distance (F)80 ± 2.0
Cantilever socket brake track area min.–max. (G)22–32
Ø brake hose 5
Rim width min.–max. 18–28
Tire width max. 64 (2.5")
DimensiOns
speCifiCatiOns
Type name HS 11 HS 33
Brake lever hydraulic (MAGURA)
Brake fluid MAGURA Royal Blood (mineral oil)
Applications Street, tour • AllMountain • XC, XC Race

14
safety
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Safety
intenDeD use
Any use other than the intended use can lead to accidents that cause
serious or fatal injury.
MAGURA type HS 11 and HS 33 rim brakes are designed and intended
exclusively
Ζ for installation on conventional touring, trekking and mountain bikes
with forks and frames that possess suitable mounting fixtures (canti-
lever socket), as well as on their conventional – straight – handlebars.
MAGURA type HS 11 and HS 33 brake levers are designed and intended
exclusively
Ζ for installation on conventional touring, trekking and mountain bike
handlebars.
MAGURA rim brakes are designed and intended exclusively
Ζ for use with wheels that have rims with the corresponding brake track
areas.
Ζ for the specified application –see speCifiCatiOns, page 13.
MAGURA type HS 11 and HS 33 rim brakes must never be combined and
used with components (brake lever, brake body, etc.) of MAGURA disc
brakes!
BasiC safety instruCtiOns
Always remember that riding a bicycle entails risk both for the rider and
other road users, and for the bicycle and its components. Despite the use
of safety gear and complete safety equipment, accidents that cause
serious or fatal injury can occur.
Always use your common sense and avoid any unreasonable actions!
Installation & Maintenance
Danger of accident due to damaged brake caused by incorrect or imper-
missible installation work.
Ζ Never overestimate your technical capabilities. Commission a specialist
workshop for bicycles or an authorized MAGURA service centre with all
installation and maintenance work. This is the only way to ensure that
work is conducted in a professional manner.
Ζ Never make any changes (e. g. grinding/paintingetc.) to your MAGURA
product that are not specifically permitted and described in the Owner's
manual.
Ζ Always observe all min./max. values stated –see teChniCal speCifiCatiOns,
page 13.
Ζ For assembly steps that require a specific tightening torque for a screw
union, always use a torque wrench set up for the required torque.
Ζ Always maintain your bicycle in technically perfect working order.
Danger of accident due to improper accessories.
Ζ Use only MAGURA original parts and lubricants.
Ζ Use only original MAGURA brake shoes and for bleeding and filling use
MAGURA Royal Blood (mineral oil).
Ζ Never use DOT brake fluid.

safety
15
On the Road
Danger of accident due to component failure.
Ζ Before each ride, make sure that the quick release or screw system on
your wheels is fitted correctly and that your wheels will not work loose.
Ζ Before each trip, make sure your wheels move freely and do not con-
tact the brake pads at any point.
Ζ Before each ride, make sure that the handlebar and stem are correctly
fitted and will not twist.
Ζ Before each trip, make sure that both brakes are closed –see Opening
the Brake fOr Dis-/mOunting the wheel, page 19.
Ζ Before each trip, make sure that your brakes operate correctly – the
pressure point must be clearly perceptible and does not change when
the brake lever is pulled, the brake pads contact the brake track area
completely without contacting the tires.
Ζ Before each trip, make sure that your brakes are not damaged in any
way, including with the brake lever pulled (e. g. traces of oil, cracks,
etc.).
Ζ Before each trip, make sure that the brake track area of your wheels
and the brake pads have not reached their wear limits and are free
from lubricating substances (oil, grease, silicone, wax, etc.).
Ζ After each crash, check your brake for damage and make sure it oper-
ates correctly.
Ζ Never use your brake if damage (e. g. traces of oil, cracks, etc.) is
visible, you can hear unusual noises or if you have any doubts about its
integrity. In this case, have your brake checked in a specialist bicycle
workshop or directly by MAGURA Service.
Danger of accident due to improper behaviour or improper equipment
during riding.
Ζ Always match your speed to the current road and weather conditions.
Particularly in wet conditions your braking distance will be significantly
increased – always ride cautiously and be ready to brake.
Ζ Always use the front and rear wheel brakes simultaneously.
Ζ Always observe the traffic regulations in the country where you are
riding (lighting, reflectors, etc.).
Ζ When riding, always wear a high quality (e.g. ANSI certified), undam-
aged cycling helmet and clothing that fits snugly but does not impair
your actions.
Ζ Only ride your bicycle if you are in good physical condition and your
bicycle and all of its components are in perfect working order.
Transport & Storage
Danger of accident due to damaged components.
Ζ Make sure that brake hoses cannot be kinked when you pack your
bicycle.
Ζ Do not store your MAGURA brake at ambient temperatures below
-15 °C (5 °F) and above 55 °C (131 °F).
 It is not necessary to drain your MAGURA brake before transporting it
by air.
Protection of the environment
Dispose of used lubricants and oil correctly and in accordance with the
legal requirements – never discard them in the sewage system or in the
ground.

16
installatiOn
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InStallatIon
fit the Brake
General
 The following assembly steps always refer to the front wheel brake, but
they are identical for the rear wheel brake unless otherwise specified.
)Make sure that the dimensions of the handlebar (clamping diameter of
brake lever), cantilever sockets and wheels (brake track areas) fit your
brake –see teChniCal speCifiCatiOns, page 13.
Danger of accident due to restricted or blocked steering movement
because brake hose is too short or too long.
Ζ Make sure that there is full steering movement in both directions.
Ζ Keep the length of the brake hose as short as possible and as long as
necessary.
Oil loss.
The brake hose may have to be disconnected from the brake cylinder for
the following steps.
Ζ Do not actuate the brake lever if the brake hose is disconnected.
Ζ Handle the open brake hose carefully – do not shake it, knock it or hit it.
Ζ Have clean, absorbent and lint-free cloths ready – wipe any leaking oil
away immediately.
Unusable brake hose – because it is too short.
Ζ Before shortening the brake hose make sure that the handlebar and
stem are in their final position and do not need to be raised, extended
or adjusted in any way.
Ζ If required, allow a little longer at first – you can always shorten it a bit
more but you can't extend it!
 A thin wire may be helpful for inserting the brake hose through the
bicycle frame.
Run it in the opposite direction through the outlet to the inlet of the
frame and fix it to the end of the brake hose with adhesive tape. Do not
insert the wire into the brake hose – you will lose oil!
Carefully pulling with the wire and pushing the brake hose at the same
time will make it easier to find the outlet.
 Before installing your brake decide which brake lever (right or left) you
want to allocate to your front wheel or rear wheel.
 When installing the brake hose for the rear wheel brake use the practi-
cal MAGURA hose holder – available in different models.
 Installation and setting of the brake cylinders can be made significantly
easier if the corresponding wheel is mounted in the frame or fork –
preferably without a tire fitted.
Installing brake lever
Important –see General, page 16!
)Push the brake lever onto the handlebar.
ÎÎThe arrows on the clamp point upwards!
[A1]
)First tighten the upper clamping screw
(1), then the lower one (2) with a
tightening torque of max. 4 Nm (35 lbf·in).
ÎÎThe clamping screw is in contact at the top, there is a gap at the
bottom!
[A2]
 The brake lever can be rotated by hand when forced. It is advantageous
if the brake lever can rotate in the event of a fall. This reduces the
danger of irreparable damage to the handlebar.

installatiOn
17
ENGLISH
Installing brake cylinders
Important –see General, page 16!
)Screw the quick release screw
(1) into the right cantilever socket (as
seen from above) – by 10–12 turns at first
[B1].
)Push the mounting plate onto the cantilever socket.
[B1]
ÎÎThe spacers
(2) are only required if the mounting plate or adapter are in
contact with the fork – max. 1 shim per cantilever socket, flattened
side uppermost!
ÎÎThe lettering "EVO2" must be legible from the front (as seen from above).
)Place the left brake cylinder (2 connecting lines) on the left cantilever
socket (as seen from above) and mounting plate – secure with a washer
and socket screw
(3)
[B2].
)Screw in the adapter screw
(4) and socket screw (3) until the brake
cylinder and adapter can just still be moved.
)Place the right brake cylinder with open quick release skewer
(5) (OPEN)
onto the right cantilever socket/quick release screw and mounting
plate – set the quick release lever to the up position (CLOSED)
[B3].
)Screw in the adapter screw
(4) and quick release screw (1) until the
brake cylinder and adapter can just still be moved.
Adjusting brake cylinders
)Install the wheel into the dropouts as far as it will go – preferably with-
out tires.
)Make sure that the rim is located exactly in the middle between the
fork blades or seat stays of the rear triangle – centre the wheel if
necessary.
Restricted adjustment capability.
The exclusive purpose of the pressure point adjusting screw (TPA) is to
compensate for brake pad wear. Do not use the TPA for the basic setting
of the brake cylinders – the brake shoes must be fully advanced. Other-
wise there might not be sufficient adjustment travel available later on.
)Make sure that the pressure point adjusting screws (TPA)
(6) are un-
screwed to the stop (-)
[B4].
ÎÎBrake shoes are fully advanced.
)Push the brake cylinders inwards until the brake pads are in full, flat
contact with the brake track area.
[B5]
)Move the adapter up or down if necessary until the top edges of the
brake pads are 1–2 mm below the edge of the rim.
ÎÎBrake pads are in full, flat contact with the brake track area.
ÎÎBrake pads are aligned exactly parallel with the rim.
ÎÎBrake pads cannot come into contact with the tires.
ÎÎAdapters are at the same height.
)Pull the brake lever carefully.
ÎÎBrake shoes retract.
ÎÎBrake cylinders are pushed outwards.
)Carefully pull the brake lever and release until a gap of 1–1.5 mm is
produced on one side between the brake pad and brake track area.
[B6]
)Then, on this side: tighten the adapter screw
(4) and socket screw (3) to
a tightening torque of max.6 N·m (53 lbf·in)
[B7] or set the quick
release skewer to the definitive pressure –see Adjusting the quick release
skewer, page 18.
)Carefully pull the brake lever and release until a gap of 1–1.5 mm is
also produced on the other side between the brake pad and brake track
area.
[B6]
)Then, on this side: tighten the adapter screw
(4) and socket screw (3) to
a tightening torque of max.6 N·m (53 lbf·in)
[B7] or set the quick
release skewer to the definitive pressure –see Adjusting the quick release
skewer, page 18.

18
installatiOn
THE PASSION PEOPLE
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Adjusting the quick release skewer
)Operate the quick release lever – open/close.
 If the quick release lever can be closed too easily, the quick release
screw
(1) must be adjusted
[G1]:
)Move the quick release lever up (CLOSED).
)Screw in the quick release screw by ¼ turn clockwise.
)Operate the quick release lever – open/close.
)Repeat the procedure if necessary.
Installing the brake booster
)Unscrew the right adapter screw
(4) (as seen from above).
)Push the brake booster onto the left adapter screw.
)Secure the brake booster with the adapter screw
(4) and washer.
)Tighten the right adapter screw
(4) with a tightening torque of
max.6 Nm (53 lbf·in)
[C1].
Shortening brake hose
Important –see General, page 16!
)Push the double hose cover
(1) upwards
[D1].
)Cut off the brake hose approx. 12 mm before the end of the hose – use
a MAGURA hose cutter if required.
)Twist the barbed fitting
(2) out of the brake cylinder with the remains of
the hose.
ÎÎThe cut-off barbed fitting cannot be reused!
)Hold the end of the brake hose to the brake cylinder
[D3].
Unusable brake hose – because it is too short.
Ζ Calculate the insertion depth (~5 mm) of the brake hose in the brake
cylinder
[D3].
)Mark the cut on the brake hose.
)Place the brake hose on a solid surface (wood, plastic, etc.) and cut at
right angles with a sharp blade – if required use the MAGURA hose
cutter.
)Place the sleeve nut
(4) and olive (5) on the brake hose
[D4].
)Insert the brake hose into the brake cylinder to the stop and hold in
position.
)Screw the sleeve nut
(1) into the brake cylinder and tighten to a tighten-
ing torque of 4 N·m (35 lbf·in)
[B1].
)Remove any oil residues thoroughly.
)Pull and hold brake lever.
)Make sure that all connections are tight.
)Push the hose cover
(1) downwards.
Adjusting the brake levers
 You can adjust the position (grip width) of the brake levers of your
MAGURA HS according to your requirements.
[E1]
This adjustment does not have any effect on the pressure point of the
brake!
)Screw the adjusting screw
(1) out (-).
ÎÎBrake lever moves closer to the handlebar.
)Screw the adjusting screw in (+).
ÎÎBrake lever moves further away from the handlebar.
ÎÎAll installation work is complete – the brake is ready for use.
on the move

On the mOve
19
ENGLISH
 Take some time to familiarize yourself with your new MAGURA brake –
preferably away from traffic.
priOr tO yOur first riDe
)Thoroughly degrease the brake track area of the rims and brake pads
using brake cleaner or spirits.
 New brake pads develop their final braking force during the running-in
phase.
Danger of accident caused by ill-considered operation of the brake system.
Ζ Make yourself familiar with the arrangement of the brake levers. As a
rule, the brake lever for the front wheel brake is fitted on the left side
– have the arrangement changed if required.
Ζ Make yourself familiar with the higher braking action of MAGURA HS
away from road traffic.
BefOre eaCh riDe
Danger of accident caused by brake failure.
Ζ Make sure that the quick release skewers of both brakes are closed
(CLOSED)
[G1] –see applying the Brake, page 19.
Ζ Pull and hold the brake lever and check:
that no oil is leaking from any part of the brake system.
Brake pads are in full contact with the brake track area
(1)
[F1].
Pressure point is clearly noticeable and does not change.
Ζ Make sure that the rims and the brake pads are intact and free from
grease / oil.
Danger of accident by bursting tires.
Ζ Make sure that the brake pads cannot contact the tires.
Opening the Brake fOr Dis-/mOunting the wheel
)Move quick release lever
(1) down (OPEN)
[G1].
)Remove adapter
(2) with brake cylinder (3), quick release skewer (4) and
brake booster
(5), if fitted, from cantilever socket (6) and mounting
plate
(7).
ÎÎThe wheel can be mounted or dismounted.
applying the Brake
)Push adapter
(2) with brake cylinder (3), quick release skewer (4) and
brake booster
(5), if fitted, onto cantilever socket (6) and mounting
plate
(7)
[G1].
)Make sure that all components are correctly connected.
)Move quick release lever
(1) up (CLOSED).
 If the quick release lever can be closed too easily, the quick release
screw
(1) must be adjusted
[G1]:
)Move quick release lever down (OPEN).
)Screw in the quick release screw by ¼ turn clockwise.
)Move the quick release lever up (CLOSED).
)Repeat the procedure if necessary.
ÎÎThe brake is ready for use.
setting the pressure pOint/COmpensating fOr paD wear
)Screw the adjusting screw (TPA)
(1) in (+) (1 turn)
[H1].
ÎÎBrake pads move closer to the brake track area (approx. 0.5 mm).
ÎÎPressure point on the brake lever acts at an earlier point.
 The MAGURA brake pads should be regarded as worn when the depth
of the indentations is less than 1 mm.
[J1]
)If the brake shoes have damaged or worn brake pads, replace them
with new ones.
on the move

20
maintenanCe
THE PASSION PEOPLE
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maIntenance
regular
 How frequently you need to maintain your MAGURA product depends
on how often you use it, but also on weather conditions.
Perform the following maintenance steps more frequently if you use
your bicycle in extreme conditions (rain, dirt, high mileage, etc.).
If you are a frequent user, also consider the fact that this exposes your
MAGURA product to more wear and thus requires more frequent main-
tenance intervals and checks.
Corrosion and material damage due to water penetration.
Ζ Never use a pressure or steam cleaner to clean your bicycle – the seals
on your bicycle components are not built to withstand this pressure.
Ζ You should even exercise care if you use a water hose. Never point the
water jet directly at seal areas
[K1].
)Clean the brake and brake track areas with water, detergent and a
brush.
)Clean brake pads and brake track areas on the wheels with suitable
degreasers (e.g. brake cleaner, white spirit, etc.).
)Make sure that the brake pads are free from foreign material (stones,
glass shards, etc.).
Remove any materials.
If the brake shoes have damaged or worn brake pads, replace them
with new ones –see Changing brake shoes, page 21.
 The MAGURA brake pads should be regarded as worn when the depth
of the indentations is less than 1 mm.
[J1]
)Make sure that the brake track areas on your wheels have not reached
their wear limits. Replace the rims with new ones if required.
)Make sure that the brake responds immediately when the brake lever is
pulled.
Bleed the brake if necessary
–see BleeDing anD filling Brake, page 21.
)Make sure that the pressure point is clearly defined – not spongy – and
does not remain constant.
Bleed the brake if necessary
–see BleeDing anD filling Brake, page 21.
)Make sure that the brake pads are in full contact with the brake track
area
(1) and do not contact the tires
[F1].
)At regular intervals, check and if necessary tighten the screws on the
brake lever
(A1), cantilever socket (3) and adapter (4)
[B7].
)At regular intervals, check the clamping of the quick release lever –see
applying the Brake, page 19.