Porsche bike rs, Porsche bike, Porsche bike rx Assembly Instructions Manual
Assembly instructions for the Porsche Bike RX, the Porsche Bike RS and the Porsche Bike
Porsche Driver’s Selection
Porsche Bike RX
Porsche Bikes
Porsche Bike RS Porsche Bike
4 5
Contents
Brakes 33
Checking you r brakes 34
Brake chafing 35
Derailleur 36
Derailleur 36
Changing gea rs 37
Checking an d adjusting the derail leur 38
Gear hubs 41
Adjusting gea r hubs 41
Inside beari ng and cranks 41
Chain 42
Bike belt drive 43
Wheels an d tyres 46
Mounting the wh eels 48
Flat tyr es 49
Removing ty res 51
Mounting the t yre 51
Mounting the wh eel 52
Introduction 06
Import ant notes on the fr ame 12
Important n otes on carbon as a work m aterial 12
Every tim e before you use you r bike 14
Quick relea ses or quick release a xles 14
Wheels and t yres 15
Brakes 15
Peda ls 16
Handlebars , stem and suspension f ork 16
Seat height an d position 17
Checking the bolted connections 17
Biking on pub lic roads 17
What to che ck after a crash 20
Wheels and t yres 20
Handlebars and front fork 21
Derailleur 21
Further steps 22
Further important instructions for
your Porsc he Bike 23
Handling the quick releases
or quick re lease axles 24
Securely mou nting the wheels and
seat post 24
Proper use 27
Legal requirements regulating
the use on pu blic roads 28
Mounting the ref lectors 28
Notes on saf e use on public roa ds 31
Tips for using p ublic roads 31
Notes on of f-road cycling 32
Headset 5 3
Adjusting Ahe ad-set headsets 54
Suspens ion fork 55
Positioning th e DT Swiss XMM Fork 55
Positioning th e SR Suntour NCX D-Lo Fork 55
Negative spri ng travel 55
When riding 56
Special ‘Lock Out’ function 56
Damping adju stment
[ DT Swiss XM M Fork only
]
56
Adjusti ng the bike to the us er 57
Adjusting the se at height 57
Adjusting the ha ndlebars and stem 61
Stem 61
Handlebars 63
Brake and shif ter grips 63
Transporting gear/children 64
Transport ing the bike by car 6 5
Transport ing the bike by air 67
Proper clothing 68
Bike helmets 68
Earphones 68
Glasses 68
Additional information 68
Inspections 69
Care inst ructions 70
Additional ca re instructions for ca rbon 71
Theft protection 72
Storing yo ur bike 73
Warrant y terms 74
Terms of the manufact urer’s warranty 74
Settlement of warranty claims 74
Exclusion of wa rranty claims 75
Warrant y, wear, brake pads 76
Warra nty 76
Wear 76
Brake pads 76
Questions on a ssembly, adjustments an d use
76
Porsche Bi kes contact and s ervices 77
Maintenance and service plan 78
Recommended tightening torques 80
Screw tightenin g torques [ general ] 83
Component manufacturer websites 84
6 7
also obser ve the legal regulatio ns of your country
when using you r bike off-road. We would also like
to remind you to treat t he environment with c are and
only travel on pave d paths and roads.
Your bike should only b e used in accordanc e with
the ‘Proper Use’ se ction of this manual, inc luding
the guidance o n overloading the bike. T he warranty
detailed at p. 72 wil l not cover claims resul ting from
overloading th e bike.
Familiarise yo urself with the techn ical terms which
are used throug hout this owner’s manual a nd which
appear on the ove rview page for your b ike.
Please note that th is owner’s manual does not explain
how to assemble t he bike from the individ ual parts or
prepare a par tially-assembled bike so that it is road
worthy.
Store this owner’s ma nual in a safe place so tha t you
can properl y perform all func tional checks at any tim e.
Parents should e xplain the contents of th e instructions
to children, who m ay not understand the ow ner’s
manual.
Dear customer,
Congratulati ons on your purchase of th e new
Porsche Drive r’s Selection bike. It is a high- end product.
This owner’s manu al provides informati on on the safe
use and proper m aintenance of your Pors che Bike.
Please take tim e to carefully read throu gh the owner’s
manual before y our first trip. It will ad vise you of the
risks and haz ards associated wit h improper use of the
product.
It is not possibl e to describe all nece ssary work on
your bike in detai l in this manual. For this r eason, we
would like to ask you to u se the enclosed docu ments
or visit the web sites of our component manufacturers.
Proper care an d maintenance are impo rtant for your
bike; they are esse ntial for proper func tioning and
optimal performance.
This owner’s manu al cannot train you in the s kills of
a bike mechanic. Fu rthermore, some of th e work steps
require spec ial tools. The followin g therefore applies:
Please consu lt the bike specialis t of your choice or the
Porsche Bike hotl ine for information on m aintenance
or repair work.
Because our b ikes undergo continu ous development,
the shape, spec ification, configu ration and engineer ing
of your bike may not be a s illustrated or descr ibed in
this manual. Par ts on the bike are someti mes optional
or vary depe nding on legal requi rements or on the
country in wh ich the bike is sold. Shou ld your bike be
fitted with an y parts which are not d escribed in this
manual, the Pors che Centre who sold the bike to
you
will be glad to prov ide information conc erning
correct
operation and care of such parts. Be cause of different
legal requir ements in individua l countries, the
parts on
your bike may vary s lightly from that desc ribed
in this
manual. Porsch e shall not be liable for a ny errors or
omission wit hin this manual.
The Porsche Bi ke is a virtually 100 % pre-assembl ed
bike. Nonethele ss, we recommend that y ou check all
functions bef ore riding the bike.
Always use suit able protective clothin g such as a
helmet, gloves a nd glasses.
When using pub lic roads, please chec k the regulations
in your countr y and adapt your bike to meet these
requirement s. Please observe th e traffic regulatio ns
that apply for ro ad traffic and ride w ith care so as not
to endanger you rself or other road use rs. You should
Introduction Safety notes in the owner’s manual
The following t ypes of safety notes a re used in this
owner’s manual.
PLEASE NOTE
Severe inju ry or death. Fai lure to observe safet y
notes in the catego ry ‘Danger’ may resu lt in severe
injury or de ath.
There is a ri sk of damage to pro perty. Failure to
observe safe ty notes in the categor y ‘Please Note’
may result in da mage to the bike.
Risk of inju ry or death. Fail ure to observe safet y
notes in the catego ry ‘Warning’ may resu lt in severe
injury or de ath.
Additional in formation, tips and notes a re marked
with the word ‘Infor mation’. Please carefully re ad
and observe t he information provid ed.
Risk of mode rate or minor in jury. Failure to
observe safe ty notes in the categor y ‘Caution’ may
result in mode rate or minor injury.
This owner’s manua l complies with the follow ing
standards:
– EN 14764, 14765, 14766, 14872
– CPSC 16 CFR 1512
– AS/NZS 1927
– BS 6102, part 1
– JIS D 9301
– GB 3565
– ISO 4210, ISO 8098
We at Porsche wis h you an enjoyable ri ding experience
with your new bike.
DANGER
INFORMATION
WARNING
CAUTION
14
27
9
32
12
8
19
21
11
7
6
20
25
2622
3023
24
13
28
31
10
15
18
16 1
217
29
33
3
5
4
8 9
In Detail: The Porsche Bike RX/RS
1 Brake lever
2 Shifter le ver
3 Brake calliper [ rea r
]
4 Brake disc [ rea r
]
5 Rear quick r elease
6 Pedal crank
7 Brake calliper [ fro n t
]
8 Brake disc [ fro n t
]
9 Bike RX susp ension fork/Bike R S rigid fork
10 Rear f ork
11 Rims
12 Ty res
13 Seat
14 Se at post
15 Sea t quick release
16 Stem
17 Handle bars
18 Headset
19 Front wh eel quick release
20 Chain rings
21 Derailleur
22 Chain
23 Rear derailleur
24 Sprocket
25 Pedals
26 Inside bea ring
27 Seat tube
28 Top tube
29 Seat stay
30 Chainstays
31 Downpipe
32 Steerer tube
33 Dropouts
14
27
9
32
12
8
19
11
7
6
20
23
2621
30
22
24
25
13
28
31
10
15
18
16
1
217
29
33
3
5
4
10 11
In Detail: The Porsche Bike
1 Brake lever
2 Shifter le ver
3
Brake callipe r [ rear ]
4
Brake disc [ rear ]
5 Nut
6 Pedal crank
7
Brake callipe r [ front ]
8
Brake disc [ front ]
9 Suspension fork
10 Rear f ork
11 Rims
12 Ty res
13 Seat
14 Se at post
15 Sea t quick release
16 Stem
17 Handle bars
18 Headset
19 Front wh eel quick release
20
Front pulley [ front ]
21 Belt
22 Pulley [ rea r
]
23 Pedals
24 Gear h ub
25 Side/center kickstand
26 Eccentric i nside bearing
27 Seat tube
28 Top tube
29 Seat stay
30 Chainstays
31 Downpipe
32 Steerer tube
33 Dropouts
12 13
Avoid exposing th e carbon componen ts to extreme
heat such as su nlight inside a vehicl e. Do not have
your frame or fr ont forks repainted or po wder coated
as this produce s excessive temperatu res, which may
damage or des troy the components.
sensitive to pre ssure when using cla mps [ e.g. seat
and deraille ur clamp ]. Always use a torqu e wrench
and observe t he specified tighte ning torques
[
see ‘Recommended tighte ning torques’, p. 80 ].
Keep the carbo n contact surface s free of grease.
Use special c arbon fitting lub ricant [ available at bike
specialist s hops ]. Never clamp th e carbon frame into
an assembly r ack or roof rack when tra nsporting it.
Only use the sad dle support for thi s providing it is not
made of carbon.
Import ant notes on carb on as a work materia l
Please note that th e work materials, car bon and
aluminium, re act differently wh en damaged. Unlike
aluminium, ca rbon does not exhibi t dents or other
deformation w hen overloaded [ typical signs of
damaged aluminium ]. Damages to car bon most
often occur on the inside [ splitting ]. After a crash,
it is imperativ e that the frame or the fro nt forks are
inspected by a bi ke specialist of your ch oice or at an
authorized Por sche dealership fo llowing coordinati on
with the Porsch e Bike hotline and to replac e them
in the event of dam age to the carbon struct ure.
If damaged, a ca rbon component may s uddenly fail.
In the event of a fib re fracture, please be c areful when
handling the m aterial, the fine carb on fibres pose a
risk of injur y.
Carbon compo nents may never be worked back into
shape if dama ged. Instead immediate ly replace the
damaged component.
Damages to the pa int should be repaire d immediately
to prevent the mater ial from absorbing m oisture as
this may negativ ely influence the ma terial propertie s.
Please keep in m ind that the material is p articularly
Important notes on the frame
Damage to th e frame due to exce ss stress,
accidents or crashes.
A damaged fra me may
suddenly fai l and cause a crash. Con tact the
Porsche Bike hotl ine if the Porsche fra me is damaged
and after an ac cident or crash.
Material fatigue of carbon components. Heavily
stressed car bon components suc h as the handlebars,
stem and seat pos t are subject to materia l fatigue
just like other co mponents made of meta l work
materials. Rep lace the carbon com ponents according
to the specific ations in the maintena nce and service
schedule [ see page 78
].
Use of damag ed carbon comp onents. If carbo n
frames, forks o r other carbon compo nents produce
cracking sou nds or if white cracks, in dents, dents
or discolorat ion can be seen, they may n o longer be
used. Damage d carbon component s can suddenly fail
and cause a cra sh. Immediately repla ce any damaged
carbon components.
WARNING WARNING
WARNING
Porsche Bike fr ames are hand made fro m high-end
aluminium al loys or carbon and can handle loads
typical for t heir intended use [ see ‘Proper use’, p. 27 ].
14 15
Every time before you use your bike
Please ensure t hat you only use the bike as de scribed
in the chapter ‘Prop er use’. Please take note of the
intended use as i ndicated in this chapter a nd the maximum overall weig ht of your bike.
It is importa nt that you
inspect your b ike each time before usin g it to ensure
that it is functi oning properly. As a minim um you should
complete the fol lowing checks:
Quick release
Please check the quick releases o r quick release ax le
[
Bike RX ] on the front whe el axle, the rear whe el axle
and on the seat po st.
Check to make sure t he wheels are secure ly mounted
and that the seat c annot be twisted.
Wheels and tyres
Check that the t yres and wheels are i n good condition. Check the t yre pressure with a pr essure gauge.
The air press ure may drop if the bike is not u sed for
prolonged pe riods or as the result o f transport.
Make sure that both w heels spin freely a nd check
the wheels’ radi al run-out. Wheel r un-out may be
attributed to de fects in the tyres, the s pokes or hub.
Brakes
Before using the bike for the first time, ch eck the
brakes. First c heck the location of the hand brake lever.
In countries w ith right-hand traff ic, Porsche Bikes are
shipped such that the left brake leve r controls the
front wheel br ake and the right the rea r wheel brake.
In countries w ith left-hand traff ic, Porsche Bikes are
shipped such that the right brake lever controls the
front bike brake a nd the left brake lever t he rear wheel
brake. Determin e the location of the fron t and rear
wheel brake lev ers.
Hydraulic disc brakes are very eff ective and it is easy
to overestimate how m uch pressure is need ed to
activate them. For t his reason, you should te st their
effectiven ess on a level, non-slip t rack that is removed
from road traff ic. Please read the cha pter ‘Brakes’
on p. 33 carefull y.
Sudden braking. Accidentally appl ying the front
wheel brake may c ause a crash. Familia rise yourself
with the locati on of the front and rear wh eel brake
levers.
Impaire d braking or bra ke failure. Defect ive or
broken brakes may c ause serious accid ents. Check
the function of th e brakes each time before u sing
the bike.
WARNING
DANGER
WARNING
PLEASE NOTE
For this reason, yo u should be absolutely s ure to
inspect your bi ke each time before using i t.
Loose components. If quick rele ases are not closed
securely, compo nents may loosen and ca use a crash.
Check to make sure a ll quick releases a re secure and
if necessar y, clamp them tight.
16 17
Every time before you use your bike
Please use an M 6 or M8 Allen key, dependin g on the
pedal type, to m ount the pedals. Before you screw the
pedals into the c rank threading, appl y a small amount
of assembly gr ease. When screwing th e pedals into
place, please ke ep in mind that the righ t side of the
pedal has a rig ht-hand thread [ tightened clockwise ]
and the left pe dal side has a left-ha nd thread [ tig h te n
counterclockwise ]. The pedals ar e labelled ‘R’ for the
Pedals
Porsche Bikes a re supplied with dif ferent pedal
systems as stand ard. Either flat or cli ck pedals are
used.
right pedal a nd ‘L’ for the l eft pedal. Consult t he table
‘Recommend ed tightening torques’ on p. 8 0 or the
documentati on of your pedal manufa cturer for the
required tightening torques.
Handlebars, stem and suspension fork
You have the option of adju sting the handlebar s, the
stem and the susp ension fork to your nee ds. The
chapters ‘Susp ension fork’ on p. 55 and ‘Adjust ing
the handleba rs and stem’ on p. 61 descr ibe in detail
how to make
adjustment s. Read these chapters
carefully so t hat
you are able adju st these compo-
nents correc tly.
Seat heig ht and position
You have the option of adju sting your seat height a nd
seat position to your body size or your pref erred
position over the b ottom bracket. A detailed d escription
is provided in th e Chapter ‘Adjusting the seat h eight’
on p. 57.
Checking the bolted connections
Please lift your bike approximately 10 cm a nd then
drop it from this l imited height onto the gr ound.
Rattling soun ds indicate loose com ponents. Locate
the source of the ra ttling and check the screwed
connection s and bearing.
Biking on p ublic roads
If you intend to use pu blic roads, you must equ ip
your bike to compl y with the legal requir ements of
your country.
Sluggish or impaired steering.
Sluggish or im paired steering may re sult in crashes.
Make sure that the s teering is smooth and th at the
Bowden cable s do not impair the turni ng angle.
For informatio n on cycling on public roa ds: Please
consult the ch apter ‘Legal requirem ents regulating
the use on publi c roads’ on p. 28. Please consul t the
chapter ‘Notes on s afe use of public roads’ on p. 31.
Before using pu blic roads, get informe d on the specific
regulations th at apply in your countr y.
Click-in and r elease of click p edals.
A lack of
practice or set ting the release mec hanism too tight may
cause crashe s. Carefully read thro ugh the enclosed
owner’s manual for t he pedals. Set the ped al release
mechanism a s described in the en closed owner’s
manual. Refer to th e pedal manufactur er’s website
[
see page 84 ] for further information. Before you r first
trip, familiar ise yourself with the c lick-in and release
process of the p edals in a standing po sition.
CAUTION
WARNING
INFORMATION
WARNING
An incorr ectly adjust ed suspensio n fork may
cause an accident. Ensure that your fork is i n the
right positio n and that there is suf ficient air in the
fork [ you will f ind instructions on ho w to do this on
page 55 ].
18 19
Every time before you use your bike
Non-secured centre/side kickstand. If a centre or
side kicksta nd is not secured prope rly,
it may release
while you are ri ding and cause an
accident. En sure
that the centre or s ide kickstand is in a f ully retracted
position.
Damage du e to fatigue and we ar. Damage due
to fatigue and wea r may be indicated, for exam ple,
by scratches, be nding and cracks or the i mpairment
of functions. C omponents that have excee ded their
lifecycle pos e a risk of failure. Chec k the bike for
damage due to fati gue and wear on a regul ar basis.
Replace the ru bber grips and plugs i f they are damaged
or worn. If you fin d any signs of damage or we ar,
contact your Por sche Centre or the Porsc he Bike
hotline.
Incorre ct or incomplet e setup of the bike.
Incorrect or i ncomplete setup of the bi ke may result in
serious acci dents. Do not use the bike b efore working
through each of th e points listed in this ch apter.
Contact the Pors che Bike hotline with an y questions
or if you are unsu re how to set up the bike.
WARNING WARNING
WARNING
WARNING
Safety precautions when riding at night or in the
dark. If you a re cycling with your ligh ts on at night or
in poor visibi lity conditions, e nsure that your lights
comply with th e applicable regul ations in your countr y.
Check that your h eadlamp and rear li ght function
correctly. Do not cyc le with dirty or da maged reflectors.
WARNING
Safety pr ecautions in r ain, snow or str ong wind.
Keep in mind that yo ur bike will respond or function
differentl y in bad weather or unde r extreme weather
conditions. T he effectiveness of brakes is reduced in
wet weather, for exampl e. Adjust your speed ac cordingly. You may lose control of your bike and fall heavi ly
in snow or icy con ditions. Avoid cycling in e xtreme
weather conditions.
20 21
What to check after a crash
A crash may nega tively affect the fu nctioning of the
bike and result i n damage. It is possibl e that your bike
is rendered un usable. For this reaso n, please perform
the following ch ecks:
Wheels and tyres
Please check your wheels. They mus t be firmly
positione d in the wheel mounts by me ans of the quick
releases/qui ck release axles o r screwed connection s
and be centred i n the front fork and rear f ork. They
must revolve smo othly and without any r unout. Check
your tyres for d amage, particula rly to the frame.
Handleb ars and front for k
Check the hand lebars and front for k for any damage
and cracks. Che ck to make sure the handle bars and
front fork are not twisted against one a nother in the
assembly. To do so, hold the f ront tyre between yo ur
knees and at tempt to twist the handl ebars.
Derailleur
Please check that your chain is locate d on the front
chain rings a nd rear cassette. A cra sh on the rear
derailleur s ide may damage it. Attem pt to shift through
the gears and m ake sure the shifter or d ropout, which
may be bent, does n ot come too close to the rear
wheel spokes.
Bent rear derailleur. Contact between the rear
derailleur a nd the spokes poses a ri sk of crashing.
Do not use a bike wit h a bent rear deraille ur. Contact
a bike special ist or the Porsche Bike hot line.
Twisted front derailleur. A twis ted front derailleu r
may cause the cha in to slip off the chain w heel.
The bike will the refore cease to be prope lled forward.
Do not use a bike wit h a twisted front dera illeur.
CAUTION
WARNING
22 23
Further steps
– Make sure that yo ur seat has not been be nt by
the crash. To do so, compa re the seat alignment
against the top tu be.
– Check your bi ke for loose bolted conn ections and
components.
Only use your bi ke again when you have che cked the
above points wit hout finding any prob lems. For the
rest of your ride, av oid subjecting your bi ke to extreme
stress cause d by, for example, braking hard and riding
out of saddle. To avoid ri sks, you can make the retur n
trip with anothe r suitable mode of tra nsportation.
Then inspec t your bike thoroughly ag ain once you
have returned ho me. Please contact a bi ke specialist
of your choice, you r authorised Porsch e Centre, or
the Porsche Bike h otline with any questi ons.
Defective parts. Parts damage d in an accident
may result in fu rther accidents if used further. Do not
in any case use a d efective bike or defecti ve parts.
Bent par ts. Do not bend bent pa rts back into their
original sha pe. There is an acute ris k of breakage.
This partic ularly applies to pa rts essential to safe ty
such as the fram e, front fork, handleb ars, stem and
seat post. Imme diately replace bent p arts.
WARNING WARNING
What to check after a crash Further important instructions for your Porsche Bike
Deficient technical condition. Deficient technical
condition of th e bike may result in damag es and
cause a crash o r accident. Only use you r bike if it is
in perfect te chnical conditio n.
Porsche only re commends use of ori ginal Porsche
spare parts a nd accessories on y our bike. Porsche
is unable to acce pt liability for any d amage caused
to your bike by use of spa re parts and acces sories
which have not be en approved by Porsche.
WARNING
INFORMATION
Use of child seats and child bike trailers.
Porsche Bikes a re not approved for mounti ng child
seats or for cycli ng with child bike trail ers. Do not use
any child seats o r child bike trailers.
WARNING
You can find the c urrent versi on of the
operati ng instruct ions for your bike at
www.porsche.com/bike
Rider’s height. Your auth orised Porsche dea ler will
help you to selec t the right frame size fo r your height.
Porsche Bikes a re available in three fr ame sizes.
These are sui table for body height s as follows:
Frame size [ S ] for height: 1.60 – 1.70 m
Frame size [ M ] for height: 1
.71
– 1.84 m
Frame size [ L ] for height: 1.85 – 1.95 m
INFORMATION
INFORMATION
24 25
Handling the quick releases or quick release axles
Quick relea ses or quick release a xles [ Bike RX ] on the
front and rear w heel and on the seat po st allow you to
mount and dism ount wheels easily and adjust the seat
height to the hei ght of the cyclist. You should che ck
that the quick re leases or quick rele ase axles are fir mly
tightened befo re each trip and the whe els and seat
post are firml y mounted on the bike.
When closed, th e quick release exer ts the clamping
force needed to f ix the components in p lace using
an eccentric. The locking nut on the opposite side of
the hub sets the cl amp’s pre-stress.
The wheel qui ck releases or quic k release axle leve rs
are located on th e front and rear wheel o n the side
opposite the de railleur, i.e. on the left-hand s ide when
you face the dire ction of travel. When moun ting the
wheels, make su re that the quick relea ses are
always on this sid e to prevent improper mou nting.
When parkin g your bike, make sure that the p arts
clamped with q uick releases are ad equately secured
against theft.
Securel y mounting the w heels and seat p ost
Your bike has either o ne-step or two-step qui ck
releases o r a quick release ax le. To open the two-step
quick releas es, first lift the la rger lever. Then open the
second lever. The wo rd ‘Open’ should now be vis ible
on the quick rel ease.
Loose components. If quick rele ases or quick
release ax les are not secured pro perly, components
may become loo se and cause you to crash. C heck to
make sure all qui ck releases or quic k release axles
are secure and t ighten them if necess ary.
WARNING
CAUTION
One-step quic k releases have a singl e lever. You only
have to open this lev er.
You open the quick rel ease axle [ Bike RX ] by turning
the lever in an ant i-clockwise dire ction. To make it
easier to hand le, you can raise the lever slightly and
move the lever seve ral times.
To close the quick rel ease, move either both an d/or
one lever to the loc king position at the s ame time.
The lever can b e readily moved over half o f the
clamping ran ge. Then, the leverage fo rce must
increase sub stantially and can on ly be moved with
difficul ty over the remainder o f the clamping range.
This way, you can be sure adequate clamping fo rce
has been appl ied.
You close the quick re lease axle by turni ng the lever in
a clockwise direction. To do so, move the lever se veral
times. Then ra ise the lever and turn it to t he required
position.
Once closed, th e quick release is pa rallel to the wheel.
Make sure that the re is no risk of externa l contact
accidentall y opening the lever.
Make sure the qui ck release is secure ly positioned
when closed. At tempt to twist it. If it can b e twisted,
you will have to incre ase the pre-stress wi th the nut
located on the oth er side.
Hot brake dis c. The brake disc may he at up when
the brake is appl ied. There is a burn ris k. Avoid coming
into contact wit h the brake disc. Let the brake disc
cool off befo re using the wheel qui ck releases.
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