
sl-6LsoA-001 -00
General Safety lnformation
r@
. Obtain and read the seruice instructions carefully prior to installing the parls,
Loose, worn, or damaged parts may cause injury to the rider We strongly re@mmend
only using genuine Shimano replacement parts.
. Obtain and read the service instructions carerully prior to installing the parts.
ll adiustments are not carried out correctly, the chain may come ott and this may cause
you to fall off the bicycle which could result in serious injury.
. Flead these Technical Service lnstructions carefully, and keep them in a safe place for
later reference.
Note
. Operation of the levers related to gear shitting should be made only when the front
chainwheel is turning.
. For smooth operation, use the specilied outer casing and the bottom bracket cable guide.
. Grease lhe inner cable and the inside o, ihe outer casing before use to ensure that ihey
slide properly.
. Use a frame with internal cable routing is strongly discouraged as it has tendencies to
impair the SIS shitting function due to its high cable resistance.
. A special grease is used ,or lhe gear shitting cable (S|S-SP41). Oo not use DUHA-ACE
grease or other types of grease, olheruise they may euse deteriomtion in gear shifting
performance.
. Parts are not guaranteed against natural wear or deterioralion resulting from normal use.
. For mdimum pertqrmance we highly recommend Shimano lubricants and maintenance
products.
. For any questions regarding melhods of installation, adjustment, maintenance or
operation, please contact a professional bicycle dealer.
Note when using the reach adjustment block (Pad spacer)
When imlalling the 8-degree reach adjustment block, us il mtomic-type tEndlebar.
lf
a
round-type
handlebar
is
used,
the cable stroke may [email protected] t@ stDrt and thb @result in insufficient braking force
L@B
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v #psilo-n *#* ","*
: Shifts @ sEMket
E.x- : frm 3rd to 4th
Ouick-shifrs tfr sp@kots
E.x. i frm 3.d b sth
Operation of rear derailleur lever
. Lever @ ; Shifts from smaller to larger rear sprocket
Lever 6 has a click stop at positions O and (a. . Lever @ : Shitts from larger to smaller rear sprmket.
Press lever @ one to shift from a larger to one smaller
sprockel.
lever @
E-x. i ,rom 4ih lo 3d
Be suE b d these pM@ instructions in coniunclion with
lhe sflae iEtrwtions lor the BD-3400-SS / 3400-GS before
US
ST-3400 Reach adjustment
l, lou would like to reduce the reach, remove the bump
n6ber and replace it with the a@essory pad spacer.
Orc types are available: 4" and 8'.)
€s<%d"rer +.
In' _\a"
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Technical Service lnstructions sr-6LS0A-fl)1
Operation of frofit derailteur leverc
(FD3400 / 34{B)
. LEer @ : Shirls tm ffiIer lo larys lmt chainring.
Replffiimethod
'l- Relre the bump rubber.
2- Apay a thin la!€r ol grease to the two projections ot
ttE pd sper.
3- PrE ft lhe pad spaer $ that the prcjeclions go as
hspGbb.
:A+:i.- l
dislance (X') to complete that part
of the l*er stroke (X) which was
shorl-
Fullgsshfr stuke SP;
sT-3400
sM-FC4500
CS-HG5O-9
< FD-3400 >
. Lever O : Shifts from larger tosmaller front chainring
t*@
Sd Silion
TrimtriE (noise prevention opeation)
lf the dlain is on the large or intermediate ctEjnring ild
the laEest rear sprocket, the chain will rub m t E tront
derailleur inner plate, producing a chaEcleristjc noise.
When this happens, press lever ,Ol slighdy (to the point
where il clicks); this causes the lront demilleur to m@
slighdy toward the smaller chainring, thereby eliminalilg
the nde.
When 16€r Q) is operated, there is one click where
trimming (the noise prevention mechanism) engages, and
a secoli stronger click when the gear shitt stroke is
completed. After lrimming, the next push wiI complete the
gear shilt stroke. ff;
clck Fdm opeation) d\-7/
",o* ll Ii
oar snn I I
comelde dEke I \
t)
U
< FD-3403 >
. Levq O : Shitts lpm largest chainring to intermediate
chainring.
. Lever @ : Shitts from intermediate chainring to smallest
chainring.
ll the front derailleur outer plate and the chain come into
contact and generate noise when the chain is on the
smallest or intermediate chainring and on one of the
smaller sprockets, press lever (O slightly to move the fronl
deEilleur slightly toward the largest chainring in order to
eliminate the noise.
CN-HG53
Bottom bracket €de guire SM-SP17
ws@
Lws 6
Lrvd O : Shifts frcm smaller to larger rear sprocket.
Lry @ : Shifts frcm larger to smaller rear sprockel.
Les a : Shitb lrom smaller lo larger chainring.
Lrvd t : Shitts frcm larger lo smaller charnflng. re
ry_" j=i*
f operatim c, l*. O dG not
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SHtmRno
^S(Ofr?^A
Shimano Total lntegration Features
The Shimano Total lntegEtion SORA series teatures a dual action controt lryer which
acluates lhe brakes like a conventional bEke lever, and shifts the geaB when moved inward
toward the center line of the bicycle. Gear shitting is ntr possible without ever taking your
hands ofl the brake hoods or drops.
ln order to realize the best performance, we recommend that the following
combination be used.
Series
Shifting lever
Outer
A*
Front derailleur
f-t cfrin*t*l
Be sue lo read these service instructions in @njunction with the seruice instructions for the FD-3400 / 3403 before use