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 General Safety Information Specifications
■ Note • FD-M660
When installing the components to carbon frame/handle bar < Normal type > < Top route type >
surfaces, verify with the manufacturer of the carbon frame/parts for
WARNING Front Derailleur X = Available their recommendation on tightening torque in order to prevent over
Model number FD-M660-E FD-M660 FD-M661 FD-M665/M667 FD-M665-E tightening that can cause damage to the carbon material and/or
•• Use neutral detergent to clean the chain. Do not use alkali-based or acid based detergent such as rust cleaners as it may result under tightening that can cause lack of fixing strength for the
Normal type X X X X X Installation band diameters: Note:
in damage and/or failure of the chain. components.
S (28.6 mm), M (31.8 mm), L (34.9 mm) Pass the cable
•• Use the reinforced connecting pin only for connecting the narrow type of chain. Top route type X X X X X
When using the S, M size, use an through as shown
•• There are two different types of reinforced connecting pins available. Be sure to check the table below before selecting which
Front chainwheel tooth difference 22T 22T 22T 14T 14T installation band with a diameter of 28.6 FC-M660 in the illustration.
pin to use.
If connecting pins other than reinforced connecting pins Reinforced mm, 31.8mm and install it to a L size The level section of the chain guide outer Chainwheel
Chain Chain tool Min. difference between top and intermediate 12T 12T 12T –– ––
are used, or if a reinforced connecting pin or tool which connecting pin adapter. plate should be directly above and (largest chainring) Wire
fixing bolt
is not suitable for the type of chain is used, sufficient Front derailleur installation band diameter –– S, M, L S, M, L S, M, L –– Chainstay angle parallel to the largest chainring. Secure
9-speed super narrow using a 5 mm Allen key.
connection force may not be obtained, which could chain such as Silver TL-CN32 / TL-CN27 Chainstay angle (a) 66° - 69° 66° - 69° 66° - 69° 65° - 71° 65° - 71°
Chain guide
cause the chain to break or fall off. CN-7701 / CN-HG93 6.5mm
Applicable chain line 50 mm 50 mm 50 mm 50 mm 50 mm
FC-M665 5 mm Allen key

•• If it is necessary to adjust the length of the chain due 8- / 7- / 6-speed narrow The inner surface of the bash guard
to a change in the number of sprocket teeth, make the chain such as Black TL-CN32 / TL-CN27 Applicable front chainwheel 44T 44T / 48T 44T 36T 36T should be at the flat part of the chain • FD-M661
CN-HG50 / CN-HG40 7.1mm
cut at some other place than the place where the chain guide outer plate. < Normal type > < Top route type >
has been joined using a reinforced connecting pin or an end pin. The chain will be damaged if it Reinforced Connecting Pin Chainwheel Tightening torque :
is cut at a place where it has been joined with a reinforced connecting pin or an end pin. Note:
Model number FC-M660 FC-M665 5 - 7 N·m {44 - 60 in. lbs.} Pass the cable
•• Be careful not to let the cuffs of your clothes get caught in the chain while riding, otherwise you
Applicable front derailleur Triple (FD-M660-E/M600/M661) Double (FD-M665/M667) through as shown
may fall off the bicycle.
in the illustration.
•• 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
End Pin Link Pin Chainwheel tooth combination 44-32-22T / 48-36-26T 36-22T Chain length
Bolt circle diameter 104 mm / 64 mm 104 mm / 64 mm Wire
may break and cause serious injury. Add 2 links (with the chain on both fixing bolt
Largest sprocket Largest chainring
•• Use a front chainwheel which is compatible with 9-speed chains in conjunction with Shimano CN-7701, Crank arm length 170 mm, 175 mm 170 mm, 175 mm the largest sprocket and the largest
CN-HG93 and CN-HG73 chains. If a chainwheel for an 8-speed chain or less is used, front chainwheel gear shifting problems chainring)
Chain line 50 mm 50 mm
may occur, or the chain pins might fall out, causing the chain to break.
•• The two left crank arm mounting bolts should be tightened alternately in stages rather than each bolt being fully tightened all at Bottom bracket shell width 68, 73 mm 68, 73 mm
once. Use a torque wrench to check that the final tightening torques are within the range of 12 - 15 N·m. Thread dimensions BC1.37 (68, 73mm) BC1.37 (68, 73mm)
Furthermore, after riding approximately 100 km (60 miles), use a torque wrench to re-check the tightening torques. Chain Tightening torque :
It is also important to periodically check the tightening torques. 5 - 7 N·m {44 - 60 in. lbs.}
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. Gear shifting operation Installation of the lever After taking up the initial slack in the cable, re-secure to the front
•• 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 derailleur as shown in the illustration.
you may fall off the bicycle. This release lever is equipped with a 2-way release mechanism which allows release operations to be carried out by either pushing or pulling Normal type Top route type
•• If the inner cover is not installed correctly, the axle may rust and become damaged, and the bicycle may fall over and serious injury the lever. Use a handlebar grip with a
may occur as a result. Both lever (A) and lever (B) always return to the initial position when they are released after shifting. maximum outer diameter of 36 mm.
•• Obtain and read the service instructions carefully prior to installing the parts. Loose, worn or damaged parts may cause the When operating one of the levers, always be sure to turn the crank arm at the same time.
bicycle to fall over and serious injury may occur as a result. We strongly recommend only using genuine Shimano replacement Tightening torque : Pull
4 mm Allen key
parts. To shift from a small chainring to a larger chainring To shift from a large chainring to a smaller chainring 5 N·m {44 in. lbs.}
Pull
•• Obtain and read the service instructions carefully prior to installing the parts. If adjustments are not carried out correctly, the When lever (A) is pressed once, there is a shift of one step from a When lever (B) is pressed once, there is a shift of one step from a
chain may come off and this may cause you to fall off the bicycle which could result in serious injury. small chainring to a larger chainring. large chainring to a smaller chainring.
•• Read these Technical Service Instructions carefully, and keep them in a safe place for later reference. If not using the indicator, this shifting lever can be installed either
Example: Example: on the inside or the outside of the brake lever.
from intermediate chainring from largest chainring to If adjusting the position, remove the indicator, and then be sure
3. Top adjustment FD-M660
Note to largest chainring. intermediate chainring. to secure it in the new position with the two fixing bolts.
Set so that the clearance
•• In addition, if pedaling performance does not feel normal, check this once more. Tightening torque : between the chain guide outer
•• Before riding the bicycle, check that there is no play or looseness in the connection. Also, be sure to retighten the crank arm 2.5 N·m {22 in. lbs.} plate and the chain is 0 - 0.5
fixing bolt at periodic intervals. (BB-FC, FC-PD)
Outboard Inboard mm.
•• 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.
•• Do not wash the bottom bracket with high-pressure jets of water. Lever (A) initial position Lever (B) Chain position
•• If you feel any looseness in the bearings, the bottom bracket should be replaced. 2-way release
Smallest Largest Top adjustment
•• If gear shifting operations do not feel smooth, wash the derailleur and lubricate all moving parts. sprocket chainring FD-M661 screw
•• If the amount of looseness in the links is so great that adjustment is not possible, you should replace the derailleur. Chain guide
•• You should periodically wash the chainrings in a neutral detergent and then lubricate them again. In addition, cleaning the chain Installation of the Front Chainwheel and Front Derailleur outer plate
with neutral detergent and lubricating it can be an effective way of extending the useful life of the chainrings and the chain. 3 mm Allen key 3 mm Allen key
Chain
•• If the chain keeps coming off the chainrings during use, replace the chainrings and the Follow the procedure in the figure. •• Install the shifting lever in a position where it will not obstruct brake
chain. operation and gear shifting operation.
•• When the chain is in the position shown in the illustration, the chain may contact the front Front 1, 2 Use the special tool TL-FC32 to install the right adapter 6 Push in the stopper plate and check that the plate pin is 4. Adjustment of the intermediate
•• Do not use in a combination which causes brake operation to be
chainrings or front derailleur and generate noise. If the noise is a problem, shift the chain chainrings (counterclockwise thread) and the left adapter (clockwise securely in place, and then tighten the bolt of the left crank chainring
arm. obstructed.
onto the next-larger rear sprocket or the one after. thread). When carrying out adjustment, set the
•• Apply grease to the left and right adapters before installing them. Tightening torque: 35 - 50 N·m {305 - 435 in. lbs.} Note : Each of the bolts should be evenly and equally chain to the largest sprocket, and at the
Rear
•• For smooth operation, use the specified outer casing and the bottom bracket cable guide. sprockets 3 Insert the right crank unit. tightened to 12 - 15 N·m {106 - 132 in. lbs.}. SIS Adjustment (Triple) front, set the chain to the intermediate
chainring. Adjust using the outer casing
•• For details on the SIS adjustment method for double chainwheel specifications, refer to
the Service Instructions for the FD-M665/667 front derailleur. 4 Set section A of the left crank into the axle of the right crank Be sure to follow the sequence described below. adjustment barrel so that the clearance
•• When installing the top route type, choose a frame that has three outer casing holders as shown in the unit where the groove is wide. between the chain guide inner plate and
Outer casing holders 1. Low adjustment the chain is 0 - 0.5 mm. B A
illustration at right. 5 Use the TL-FC16 to tighten the cap. First remove the Pro-Set alignment block . Chain guide
•• Use an outer casing which still has some length to spare even when the handlebars are turned all the way Tightening torque: 0.7 - 1.5 N·m {6 - 13 in. lbs.} inner plate
to both sides. Furthermore, check that the shifting lever does not touch the bicycle frame when the Next, set so that the clearance between the chain guide inner
plate and the chain is 0 - 0.5 mm. Chain
handlebars are turned all the way. Chain position
•• A special grease is used for the gear shifting cable (SIS-SP41). Do not use DURA-ACE grease or other ■ Spacer installation method Pro-Set alignment
block Largest Intermediate
types of grease, otherwise they may cause deterioration in gear shifting performance. TL-FC32 sprocket chainring
B
•• Grease the inner cable and the inside of the outer casing before use to ensure that they slide properly. (1) Check whether the width of the bottom bracket shell is FD-M661
•• Operation of the levers related to gear shifting should be made only when the front chainwheel is turning. 68 mm or 73 mm. A
•• 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 (2) Next, install the adapter while referring to the B A
illustrations below. 4 3
cause the plastic parts to crack or become discolored. Therefore, you should make sure that the brake fluid does not adhere to Low adjustment Outer casing adjustment barrel
these plastic parts. screw
The mineral oil which is used in SHIMANO disc brakes does not cause cracking or discoloration if it adheres to plastic parts, but Spacer Chain position
FD-M660 5. Troubleshooting chart
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.
F
A Wide groove area
Largest
sprocket
Smallest
chainring After completion of steps 1 - 4, move the shifting lever to check the
(A) A B shifting. (This also applies if shifting becomes difficult during use.)
•• Parts are not guaranteed against natural wear or deterioration resulting from normal use. 2.5 mm Chain guide
•• For maximum performance we highly recommend Shimano lubricants and maintenance products 1 inner plate
If the chain falls to the crank Tighten the top adjustment screw
•• For any questions regarding methods of installation, adjustment, maintenance or operation, please contact a professional 5 Chain side. clockwise (about 1/4 turn).
bicycle dealer. Band Type Bracket Type
If shifting is difficult from the Loosen the top adjustment screw
68 mm 68 mm
F
A E-type intermediate chainring to the counterclockwise
bracket 2. Connecting and securing the inner cable largest chainring. (about 1/8 turn).
Technical Service Instructions SI-6PZFA-002 Operate lever (B) two times or more, Lever (B)
If shifting is difficult from the Loosen the low adjustment screw
and check on the indicator that the
TL-FC16 lever is at the lowest position. Then intermediate chainring to the counterclockwise
6 smallest chainring. (about 1/4 turn).
2 remove the inner hole cover and
Front Drive System
F
A F
A F
A F
A If there is interference between Tighten the top adjustment screw
Inner cover connect the inner cable.
73 mm 73 mm the chain and the front derailleur clockwise (about 1/8 turn).
Plate pin inner plate at the largest
chainring.
Note : Inner cable If there is interference between Loosen the top adjustment screw
Set the stopper plate in Inner hole cover the chain and the front derailleur counterclockwise
In order to realize the best performance, we recommend that the following combination be used. Stopper plate the right direction as outer plate at the largest (about 1/8 turn).
F
A Push up shown in illustration. Install the inner hole cover by turning it as chainring.
Series SLX shown in the illustration until it stops. If the intermediate chainring is Loosen the outer casing
Rapidfire (Shifting lever) SL-M660 Do not turn it any further than this, otherwise skipped when shifting from the adjustment barrel
For bracket type Adjust and then install the front derailleur as shown in the illustration.
it may damage the screw thread. largest chainring. counterclockwise (1 or 2 turns).
Outer casing SIS-SP41 Install as shown in the illustration. Do not remove the Pro-Set alignment block at this time.
Type Triple Double Pro-Set alignment block
Tightening torque :
If there is interference between Tighten the outer casing
0.3 - 0.5 N·m {3 - 4 in. lbs.}
the chain and front derailleur adjustment barrel clockwise
Front derailleur FD-M660 / FD-M661 / FD-M660-E FD-M665 / FD-M667 / FD-M665-E Front Derailleur
FC-M660 Pro-Set gauge
Inner hole cover inner plate when the rear (1 or 2 turns).
sprocket is shifted to the largest
Front chainwheel FC-M660 FC-M665 Front Chainwheel
Gear teeth should
sprocket when the chainwheel is
come within this range Cutting the outer casing
Chain CN-HG73 Adapter at the intermediate chainring
Bolt After cutting the outer casing, make the end position.
Bottom bracket cable guide SM-SP17 round so that the inside of the hole has a If the chain falls to the bottom Tighten the low adjustment screw
uniform diameter. bracket side. clockwise (about 1/2 turn).
This service instruction explains how to use and If the lever is stiff when shifting Loosen the top adjustment screw
maintain the Shimano bicycle parts which have FC-M665 Pro-Set gauge
from the intermediate chainring counterclockwise (about 1/4
Outer end cap turn).
been used on your new bicycle. Outer edge of bash to the largest chainring
For any questions regarding your bicycle or other One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003 Adapter
guard should come Attach the same outer
matters which are not related to Shimano parts, within this range end cap to the cut end of ■ Refer to the Service Instructions for the Rear Drive
Industrieweg 24, 8071 CT Nunspeet, The Netherlands Phone: +31-341-272222 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan
please contact the place of purchase or the Tightening torque : the outer casing. System for details on replacing and installing the
bicycle manufacturer. Please note: specifications are subject to change for improvement without notice. (English)
35 - 50 N·m {305 - 435 in. lbs.}
© Mar. 2008 by Shimano Inc. XBC SZK Printed in Japan. indicator unit.

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