Front Drive System
SI-5KV0A-002-00
General Safety Information
■ Note
Specifications
Front Derailleur
WARNING
“Maintenance interval depends on the usage and riding circumstances. Clean regularly the chain with
an appropriate chaincleaner. Never use alkali based or acid based solvents such as rust cleaners. If
those solvent be used chain might break and cause serious injury.”
• In order to obtain good gear shifting performance, this chain has a forward side and a reverse side, and the sides
are marked so that the chain will face the correct way when installed. The proper design performance will be
obtained when the chain is installed so that it faces the correct way. If it is installed so that it faces the opposite
way, the chain may come off and the bicycle may fall over and serious injury may occur as a result.
• Use the reinforced connecting pin only for connecting the narrow type of chain.
• If connecting pins other than reinforced connecting pins are
Reinforced
used, or if a reinforced connecting pin or tool which is not
Chain
Chain tool
connecting pin
suitable for the type of chain is used, sufficient connection
force may not be obtained, which could cause the chain to
with groove (3)
break or fall off.
TL-CN32
10-speed super narrow
• If it is necessary to adjust the length of the chain due to a
TL-CN23
chain for
change in the number of sprocket teeth, make the cut at
MTB
TL-CN27
with groove (2)
some other place than the place where the chain has been
joined using a reinforced connecting pin. The chain will be
Reinforced Connecting Pin
damaged if it is cut at a place where it has been joined with a reinforced connecting pin.
• Be careful not to let the cuffs of your clothes get caught in the chain while riding, otherwise you may
fall off the bicycle.
• Check that the tension of the chain is correct and that the chain is not damaged. If the tension is too
weak or the chain is damaged, the chain should be replaced. If this is not done, the chain may break
Link Pin
Link Pin
and cause serious injury.
• The two left crank arm mounting bolts should be tightened alternately in stages rather than each bolt being fully tightened all at once.
Use a torque wrench to check that the final tightening torques are within the range of 12 - 14 N·m. Furthermore, after riding
approximately 100 km (60 miles), use a torque wrench to re-check the tightening torques. It is also important to periodically check the
tightening torques. If the tightening torques are too weak or if the mounting bolts are not tightened alternately in stages, the left crank
arm may come off and the bicycle may fall over, and serious injury may occur as a result.
• Check that there are no cracks in the crank arms before riding the bicycle. If there are any cracks, the crank arm may break and you
may fall off the bicycle.
• If the inner cover is not installed correctly, the axle may rust and become damaged, and the bicycle may fall over and serious injury
may occur as a result.
• Obtain and read the service instructions carefully prior to installing the parts. Loose, worn or damaged parts may cause the bicycle
to fall over and serious injury may occur as a result. We strongly recommend only using genuine Shimano replacement parts.
• Obtain and read the service instructions carefully prior to installing the parts. If adjustments are not carried out correctly, the chain
may come off and this may cause you to fall off the bicycle which could result in serious injury.
• Read these Technical Service Instructions carefully, and keep them in a safe place for later reference.
CAUTION
• If the chain is on the smallest or intermediate chainring, there is the danger of injury from the tips of the teeth on the largest chainring.
Note
• In addition, if pedaling performance does not feel normal, check this once more.
• Before riding the bicycle, check that there is no play or looseness in the connection. Also, be sure to retighten the crank arms and
pedals at periodic intervals.
• If a squeaking noise is heard coming from the bottom bracket axle and the left crank arm connector, apply grease to the connector and
then tighten it to the specified torque.
• Use a neutral detergent to clean the crank arm and the bottom bracket. Using alkaline or acidic detergents may cause discoloration.
• Do not wash the bottom bracket with high-pressure jets of water.
• If you feel any looseness in the bearings, the bottom bracket should be replaced.
• If gear shifting operations do not feel smooth, wash the derailleur and lubricate all moving parts.
• If the amount of looseness in the links is so great that adjustment is not possible, you should replace the derailleur.
• You should periodically wash the chainrings in a neutral detergent and then lubricate them again. In addition, cleaning the chain with
neutral detergent and lubricating it can be an effective way of extending the useful life of the chainrings and the chain.
• If the chain keeps coming off the chainrings during use, replace the chainrings and the chain.
• When the chain is in the position shown in the illustration, the chain may contact the front chainrings or front derailleur and generate
noise. If the noise is a problem, shift the chain onto the next-larger rear sprocket or the one after.
• For frames with suspension, the chain stay angle will vary depending on whether the bicycle is
being ridden or not being ridden. When the bicycle is not being ridden and the chain is
Front
positioned on the largest/larger chainring and on the smallest sprocket, the chain guide outer
chainrings
plate of the front derailleur may touch the chain.
• The cuffs of your clothing may get dirty from the chain while riding.
• Apply grease to the left and right adapters before installing them.
Rear
• For smooth operation, use the specified outer casing and the bottom bracket cable guide.
sprockets
• This front derailleur is for triple front chainwheel use only. It cannot be used with the double
front chainwheel, as the shifting points do not match.
• When installing the top route type, choose a frame that has three outer casing holders as shown in the
Outer casing holders
illustration at right.
• Use an outer casing which still has some length to spare even when the handlebars are turned all the way to
both sides. Furthermore, check that the shifting lever does not touch the bicycle frame when the handlebars are
turned all the way.
• A special grease is used for the gear shifting cable. Do not use DURA-ACE grease or other types of grease,
otherwise they may cause deterioration in gear shifting performance.
• Grease the inner cable and the inside of the outer casing before use to ensure that they slide properly.
• Operation of the levers related to gear shifting should be made only when the front chainwheel is turning.
• If the brake fluid used in the oil disc brakes is of a type which tends to adhere to the plastic parts of the shifting lever, this may cause
the plastic parts to crack or become discolored. Therefore, you should make sure that the brake fluid does not adhere to these plastic
parts. The mineral oil which is used in SHIMANO disc brakes does not cause cracking or discoloration if it adheres to plastic parts, but
such parts should be cleaned with alcohol beforehand to prevent foreign particles from adhering.
• Do not disassemble the indicator and shifting lever unit, as this may damage them or cause mis-operation.
• Parts are not guaranteed against natural wear or deterioration resulting from normal use.
• For maximum performance we highly recommend Shimano lubricants and maintenance products
• For any questions regarding methods of installation, adjustment, maintenance or operation, please contact a professional bicycle
dealer.
Technical Service Instructions
SI-5KV0A-002
X = Available
FD-M660-10E
Model number
FD-M660-10
FD-M661-10
Installation band diameters:
S (28.6 mm), M (31.8 mm), L (34.9 mm)
X
Normal type
X
Top route type
Front chainwheel tooth difference
18T
Min. difference between top and intermediate
10T
–
Front derailleur installation band diameter
When using the S, M size, use an
installation band with a diameter of 28.6
mm, 31.8mm and install it to a L size
adapter.
S, M, L
Chainstay angle (a)
66° - 69°
Applicable chain line
50 mm
Applicable front chainwheel
S, M, L
Chainstay angle
The level section of the chain guide outer
plate should be directly above and
parallel to the largest chainring. Secure
using a 5 mm Allen key.
42T
Chainwheel tooth combination
Crank arm length
170 mm, 175 mm
Chain line
• FD-M661-10
Note:
Pass the cable through as
shown in the illustration.
Chain length
50 mm
Thread dimensions
Wire fixing bolt
(5 mm Allen key)
Add 2 links (with the chain on both
the largest sprocket and the largest
chainring)
68, 73 mm
Bottom bracket shell width
Largest sprocket
Tightening torque :
6 - 7 N·m {52 - 60 in. lbs.}
Chain
Gear shifting operation
After taking up the initial slack in the cable, re-secure to the front
derailleur as shown in the illustration.
Installation of the lever
This release lever is equipped with a 2-way release mechanism which allows release operations to be carried out by either pushing or pulling
the lever.
Both lever (A) and lever (B) always return to the initial position when they are released after shifting.
When operating one of the levers, always be sure to turn the crank arm at the same time.
Normal type
To shift from a large chainring to a smaller chainring
When lever (A) is pressed once, there is a shift of one step from a
small chainring to a larger chainring.
When lever (B) is pressed once, there is a shift of one step from a
large chainring to a smaller chainring.
Example:
Example:
from intermediate chainring
to largest chainring.
from largest chainring to
intermediate chainring.
Pull
Tightening torque :
5 N·m {44 in. lbs.}
If not using the indicator, this shifting lever can be installed either
on the inside or the outside of the brake lever.
If adjusting the position, remove the indicator, and then be sure
to secure it in the new position with the two fixing bolts.
Tightening torque :
2.5 N·m {22 in. lbs.}
Outboard
Lever (B)
Chain
CN-HG74
Bottom bracket cable guide
SM-SP17
Installation of the Front Chainwheel and Front Derailleur
1, 2 Use the special tool TL-FC32/36 to install the right adapter
(counterclockwise thread) and the left adapter (clockwise
thread).
Tightening torque: 35 - 50 N·m {305 - 435 in. lbs.}
Note : Spacers may be necessary depending on the bottom
bracket shell width. For details, refer to "Spacer
installation method”.
3
4
5
Use the TL-FC16/18 to tighten the cap.
Tightening torque: 0.7 - 1.5 N·m {6 - 13 in. lbs.}
6
Push in the stopper plate and check that the plate pin is
securely in place, and then tighten the bolt of the left crank
arm. (5 mm Allen key)
Note : Each of the bolts should be evenly and equally
tightened to 12 - 14 N·m {106 - 122 in. lbs.}.
Insert the right crank unit.
SIS Adjustment
Be sure to follow the sequence described below.
1. Low adjustment
First remove the Pro-Set alignment block .
Next, set so that the clearance between the chain guide inner
plate and the chain is 0 - 0.5 mm.
Set section A of the left crank into the axle of the right crank
unit where the groove is wide.
Pro-Set alignment
block
■ Spacer installation method
3
FD-M660-10
Smallest
chainring
A
B
Chain guide
inner plate
1
Chain
5
Bracket Type
F
A
2. Connecting and securing the inner cable
Operate lever (B) two times or more,
and check on the indicator that the
lever is at the lowest position. Then
remove the inner hole cover and
connect the inner cable.
BB mounttype bracket
6
F
A
2
Lever (B)
73 mm
Inner cable
Inner hole cover
Note :
Set the stopper plate in
the right direction as
shown in illustration.
Stopper plate
* If using a bottom bracket shell having a width of 68 mm which is a band type, an 1.8 mm spacer and a 0.7 mm spacer can be used together instead of a 2.5 mm spacer.
For bracket type
Front Derailleur
Install as shown in the
illustration.
Install the inner hole cover by turning it as
shown in the illustration until it stops.
Do not turn it any further than this, otherwise
it may damage the screw thread.
Adjust and then install the front derailleur as shown in the
illustration. Do not remove the Pro-Set alignment block at this time.
Front Chainwheel
Pro-Set alignment block
Gear teeth
should come
within this range
Inner hole cover
Cutting the outer casing
When cutting the outer casing, cut the opposite end to the end
with the marking. After cutting the outer
casing, make the end round so that the
inside of the hole has a uniform diameter.
Attach the same outer end cap to the cut end of the outer casing.
Please note: specifications are subject to change for improvement without notice. (English)
© Jul. 2010 by Shimano Inc. XBC SZK Printed in Japan.
Adapter
Outer casing adjustment barrel
5. Troubleshooting chart
After completion of steps 1 - 4, move the shifting lever to check the
shifting. (This also applies if shifting becomes difficult during use.)
If the chain falls to the crank
side.
Tighten the top adjustment screw
clockwise (about 1/4 turn).
If shifting is difficult from the
intermediate chainring to the
largest chainring.
Loosen the top adjustment screw
counterclockwise
(about 1/8 turn).
If shifting is difficult from the
intermediate chainring to the
smallest chainring.
Loosen the low adjustment screw
counterclockwise
(about 1/4 turn).
If there is interference between
Loosen the top adjustment screw
the chain and the front derailleur counterclockwise
(about 1/8 turn).
outer plate at the largest
chainring.
If the intermediate chainring is
skipped when shifting from the
largest chainring.
Pro-Set gauge
3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan
B
If there is interference between
Tighten the top adjustment screw
the chain and the front derailleur clockwise (about 1/8 turn).
inner plate at the largest
chainring.
Inner cover
Push up
Chain
A
Chain position
2.5 mm
F
A
Intermediate
chainring
Low adjustment
screw
Largest
sprocket
F
A
Chain position
A
B
Chain guide
inner plate
B A
F
A
68 mm
When carrying out adjustment, set the
chain to the largest sprocket, and at the
front, set the chain to the intermediate
chainring. Adjust using the outer casing
adjustment barrel so that the clearance
between the chain guide inner plate and
the chain is 0 - 0.5 mm.
Largest
sprocket
Wide groove area
Spacer
68 mm
4. Adjustment of the intermediate
chainring
TL-FC32
4
Band Type
Chain
FD-M661-10
(1) Check whether the width of the bottom
bracket shell is 68 mm or 73 mm.
(2) Next, install the adapter while referring to
the illustrations below.
One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003
Industrieweg 24, 8071 CT Nunspeet, The Netherlands Phone: +31-341-272222
Top adjustment
screw
FD-M661-10
3 mm Allen key
3 mm Allen key
• Install the shifting lever in a position where it will not obstruct brake
operation and gear shifting operation.
• Do not use in a combination which causes brake operation to be
obstructed.
Follow the procedure in the figure.
F
A
* Service Instructions in further languages are available at :
http://techdocs.shimano.com
Largest
chainring
Chain guide
outer plate
Bolt
This service instruction explains how to use
and maintain the Shimano bicycle parts
which have been used on your new bicycle.
For any questions regarding your bicycle or
other matters which are not related to
Shimano parts, please contact the place of
purchase or the bicycle manufacturer.
FD-M660-10
Set so that the clearance
between the chain guide outer
plate and the chain is 0 - 0.5
mm.
Smallest
sprocket
2-way release
SLX
FC-M660-10 / FC-M552
3. Top adjustment
Chain position
Lever (A) initial position
SL-M660
FD-M660-10 / FD-M661-10 / FD-M660-10E / FD-M661-10D
Pull
Inboard
Plate pin
Front chainwheel
Top route type
Use a handlebar grip with a
maximum outer diameter of 36 mm.
4 mm Allen key
To shift from a small chainring to a larger chainring
In order to realize the best performance, we recommend that the following combination be used.
Front derailleur
Largest chainring
BC1.37 (68, 73mm)
TL-FC16
OT-SP41 (SIS-SP41)
Wire fixing
bolt
42-32-24T
104 mm / 64 mm
73 mm
Outer casing
< Top route type >
Note:
Pass the cable
through as shown in
the illustration.
Chainwheel
(largest chainring)
Tightening torque :
5 - 7 N·m {44 - 60 in. lbs.}
Bolt circle diameter
F
A
Rapidfire (Shifting lever)
< Normal type >
FC-M660-10 / FC-M552
Front Drive System
Series
Use an 8 mm spanner or a 4 mm Allen key to tighten the wire
fixing bolt.
Chain guide
Chainwheel
Model number
• FD-M660-10
When installing the components to carbon frame/handle bar
surfaces, verify with the manufacturer of the carbon frame/parts for
their recommendation on tightening torque in order to prevent over
tightening that can cause damage to the carbon material and/or
under tightening that can cause lack of fixing strength for the
components.
Loosen the outer casing
adjustment barrel
counterclockwise (1 or 2 turns).
If there is interference between
Tighten the outer casing
the chain and front derailleur
adjustment barrel clockwise
inner plate when the rear
(1 or 2 turns).
sprocket is shifted to the largest
sprocket when the chainwheel is
at the intermediate chainring
position.
If the chain falls to the bottom
bracket side.
Tighten the low adjustment screw
clockwise (about 1/2 turn).
If the lever is stiff when shifting
from the intermediate chainring
to the largest chainring
Loosen the top adjustment screw
counterclockwise (about 1/4
turn).
Adapter
Outer end cap
1, 2 Tightening torque :
3 Tightening torque :
35 - 50 N·m {305 - 435 in. lbs.}
5 - 7 N·m {44 - 60 in. lbs.}
■ Refer to the Service Instructions for the Rear Drive
System for details on replacing and installing the
indicator unit.
SLX Rapidfire Lever (10-Speed)
ITEM
NO.
SHIMANO
CODE NO.
DESCRIPTION
1
2
3
4
Y6T998010
Y6CD33000
Y6TA98020
Y6T998020
Y6MP01100
Y6MP01110
Y6MP98080
Y8U914000
Y6T998030
Y6T998050
Shifting Lever Unit
Inner Hole Cap
Cable Adjustting Bolt Unit
Main Lever Cover & Fixing Screw
Bracket for w/ Indicator Type
Bracket for w/o Indicator Type
SL Fixing Bolt (M4) 2pcs.
Clamp Bolt (M6 x 15)
Indicator Unit
Base Hole Cap & Bolt Unit
5
6
7
8
9
A: Same parts.
B: Parts are usable, but differ in materirals, appearance, finish, size, etc.
Absence of mark indicates non-interchangeability.
Specifications are subject to change without notice.
SLM6
6 09R
SLM7
7 01 0R
SL-M660-10R
INTERCHANGEABILITY
A
A
A
A
A
A
A
A
Apr.-2010-3057
© Shimano Inc. A
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