Rear Drive System

Rear Drive System
SI-R670B-001-00
In order to realize the best performance, we recommend
that the following combination be used.
SP40 sealed / Rubber shield
RD-T300 / RD-M310
FH-RM30-7
Cassette sprocket
CS-HG30-7I
Chain
TL-CN32/TL-CN27
S
H
IM
A NO
HYP
ER
4 0 0 kg /c
Attach the same
outer end cap to
the cut end of the
outer casing.
G
AN
Black
B-tension
adjustment screw
CN-HG50
SM-SP18 / SM-BT18
Specifications
6.5mm
Lock ring
Spacer
J AP
TL-CN32/TL-CN27
5 mm Allen key
7
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.
m
Gears
Cutting the outer casing
CK
LO
Freehub
Bottom bracket cable guide
Silver
Bracket spindle tightening torque:
8 - 10 N·m {70 - 86 in. lbs.}
MGS
▲ mark
9
Type
ac -14T
25
Rear derailleur
A one place only.
- C
9-speed super narrow chain
such as
CN-7701 / CN-HG93
8- / 7- / 6-speed narrow
chain such as
CN-HG50 / CN-HG40
Chain tool
Outer casing
The groove is wide at
For each sprocket, the surface that
has the group mark should face
outward and be positioned so that
the triangle (▲) mark on each
sprocket and the A part (where the
groove width is wide) of the
freewheel body are aligned.
DE
L I
Reinforced
connecting pin
Chain
ST-T300-S
Installation of the sprockets
T 4268
• Check that the wheels are fastened securely before riding the bicycle. If the wheels are
loose in any way, they may come off the bicycle and serious injury may result.
• Use neutral detergent to clean the chain. Do not use alkali-based or acid based
detergent such as rust cleaners as it may result in damage and/or failure of the chain.
• Use the reinforced connecting pin only for connecting the narrow type of chain.
• There are two different types of reinforced connecting pins available. Be sure to check
the table below before selecting which pin to use. If connecting pins other than
reinforced connecting pins are used, or if a reinforced connecting pin or tool which is
not suitable for the type of chain is used, sufficient connection force may not be
obtained, which could cause the chain to break or fall off.
NEXAVE
Shifting lever
Insert the inner cable into the outer casing from the end
with the marking on it. Apply grease from the
end with the marking in
order to maintain
Marking
cable operating efficiency.
. PA
Series
When installing, be careful that deformation is not caused by
the B-tension adjustment screw coming into contact with the
dropout tab.
(RD-T300)
Do not remove the Pro-Set alignment block at this time.
.S
WARNING
Inserting the inner cable
Installation of the rear derailleur
U
General Safety Information
Outer end cap
Dropout tab
Rear Derailleur
7.1mm
• If it is necessary to adjust the length of the chain due to
Reinforced Connecting Pin
a change in the number of sprocket teeth, make the cut
at some other place than the place where the chain has
been joined using a reinforced connecting pin or an end
pin. The chain will be damaged if it is cut at a place
End Pin
Link Pin
where it has been joined with a reinforced connecting
pin or an end pin.
• 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 and cause serious injury.
• 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.
Note
• Adjust the RD-T300 reverse spring type rear derailleur from the low side.
• 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 clean the derailleur and lubricate all moving parts (mechanism
and pulleys).
• If gear shifting adjustment cannot be carried out, check the degree of parallelism at the
rear end of the bicycle. Also check if the cable is lubricated and if the outer casing is too
long or too short.
• If you hear abnormal noise as a result of looseness in a pulley, you should replace the
pulley.
• If the wheel becomes stiff and difficult to turn, you should lubricate it with grease.
• Do not apply any oil to the inside of the hub, otherwise the grease will come out.
• You should periodically wash the sprockets in a neutral detergent and then lubricate
them again. In addition, cleaning the chain with neutral detergent and lubricating it can
be a effective way of extending the useful life of the sprockets and the chain.
• If the chain keeps coming off the sprockets during use, replace the sprockets and the
chain.
• Always be sure to use the sprocket set bearing the same group marks. Never use in
combination with a sprocket bearing a different group mark.
Group marks
• Use a frame with internal cable routing is strongly discouraged as
it has tendencies to impair the SIS shifting function due to its high
cable resistance.
• 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.
• 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.
• 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.
ag - 18T
Model number
Note regarding the sealed cap with tongue and
rubber shield
RD-T300 / RD-M310
Type
MGS
Gears
7
Total capacity
43T
Largest sprocket
34T
Smallest sprocket
11T
Front chainwheel tooth difference
Chain length
Add 2 links (with the chain on
both the largest sprocket and
the largest chainring)
HG
Be careful not to bend
Group name
Tooth combination
ac
11, 13, 15, 18,
21, 24, 28T
7
Tool
(TL-SR21)
TL-LR15
Disassembly
Inner cable
Pro-Set alignment
block
Note: Be sure that the cable is
securely in the groove.
Note: Do not attempt to
disassemble the
freewheel body, because it
may result in a malfunction.
Groove
Both lever (A) and button (B) return to the initial lever or button
position when they are released after shifting. When operating
lever (A) or button (B), always be sure to turn the crank arm at
the same time.
To shift from a larger sprocket to a smaller sprocket
[ lever (A) ]
To shift one step only, press lever (A) to the (1) position. To
shift two steps at one time, press to the (2) position. A
maximum three-step shift can be made in this manner.
Lever (A) initial position
Lever (A)
Adjustment (RD-T300)
1. Low adjustment
Turn the low
adjustment screw
so that the guide
pulley moves to a
position directly in
line with the largest
sprocket.
Connect the cable to the rear derailleur
and, after taking up the initial slack in
the cable, re-secure to the rear
derailleur as shown in the illustration.
Largest
sprocket
Guide pulley
Tightening torque:
5 - 7 N·m {44 - 60 in. lbs.}
1
2
1
SH
IM
button (B)
Turn the crank arm while pulling the derailleur with your
hand to move the derailleur to the top position, and then
turn the top adjustment
Outer line of
screw to adjust so that
smallest sprocket
the guide pulley is in line
1
2
with the outer line of the
smallest sprocket when
looking from the rear.
1 2
Turn the crank arm
Guide pulley
to set the derailleur
Top adjustment
to the low position.
screw
O
AN
HYPERGL I DE - C
3. Installation and securing of the outer casing and
inner cable
Installation of the brake lever
Use a handlebar grip with a maximum
outer diameter of 32 mm.
SI-R670B-001
Tightening torque:
6 - 8 N·m {53 - 69 in. lbs.}
Pull
2
Low adjustment
screw
2. Top adjustment
To shift from a smaller sprocket to a larger sprocket
[ button (B) ]
Freewheel body fixing bolt
Disassembly
Assembly
10 mm Allen key
(TL-WR37)
Tightening torque :
35 - 50 N·m {305 - 434 in. lbs.}
Replacing the indicator
2
ag
-1
Freewheel body
2. Turn the crank arm to set the derailleur to the low position.
1
Press button (B) once and then
release it to shift one step from
a smaller to a larger sprocket.
Replacement of the freewheel body
After removing the hub
axle, remove the freewheel
body fixing bolt (inside
the freewheel body),
and then replace the
freewheel body.
Connect the inner cable
to the derailleur as
shown in the
illustration.
Gear shifting operation
5 mm Allen key
To replace the HG sprockets, use the
special tool (TL-LR15) and TL-SR21
to remove the lock ring.
Rubber shield
1. Install the chain with the Pro-Set alignment block still
attached. After installing, remove the Pro-Set alignment
block.
These Service Instructions describe the operation method
when using the ST-T300-S shifting lever in combination with
the RD-T300 reverse spring-type rear derailleur. If using in
combination with the RD-M310 top normal-type derailleur,
the operations and indicator displays will be reversed.
Rear Drive System
Lock ring
Rubber
shield
Installation of the chain (RD-T300)
3T
Technical Service Instructions
Tightening torque:
30 - 50 N·m {261 - 434 in. lbs.}
FC-M191
(42T-34T-22T, 48T-38T-28T)
ag -15
T
Largest chainring
Chain
Cassette sprocket tooth combination
Gears
Largest sprocket
Sealed cap with tongue
20T
Applicable front chainwheel
(chainring tooth configuration)
Type
The sealed cap with tongue and the rubber shield should be
installed to the outer casing stopper of the frame.
For installation of the HG sprockets,
use the special tool (TL-LR15) to
tighten the lock ring.
Press button (B) 7 or more times to set the lever to the
lowest position, check on the indicator that the highest
Indicator
Button (B)
position is correct, and then install
and adjust the inner cable.
Inner cable
Loosen the screw, remove
the cover and then pass
the inner cable through the
cable adjustment bolt as
shown in the illustration.
Run the cable along
Cable adjustment
Lever (A)
bolt
the slit in the winding
reel and hook it into the
Winding
screw
reel hole
hole in the winding reel.
cover
The inner end cap should be
Tightening torque:
pressed into the hole in the
5 - 7 N·m {44 - 60 in. lbs.}
winding reel as far as it will go.
4. SIS adjustment
Push button (B) while turning the crank arm to move the
derailleur to the largest sprocket. Then operate lever (A)
once to move the derailleur to the 2nd-gear sprocket. After
this, operate lever (A) just as far as the extent of play, and
then turn the crank arm.
When changing
to 3rd
23
When no noise
is heard at all
1. Press button (B) to set the lever to the lowest position.
2. Insert the pin of the indicator gear into the hole of the winding reel.
3. Move the indicator needle to the [1] position.
4. In the condition in step 3., place the indicator on top of the brake
lever bracket. Be careful not to let the indicator needle move at this
time.
5. Secure the indicator with the two indicator set screws.
Tightening torque:
0.4 N·m {4 in. lbs.}
Indicator set screws
Indicator
23
Button (B)
Indicator gear
Winding reel hole
23
adjustment bolt
Turn the cable adjustment bolt
clockwise to tighten it until the
chain returns to the 2nd
sprocket.
23
adjustment bolt
Turn the cable adjustment bolt
counterclockwise to loosen it
until the chain touches a
sprocket and generates noise.
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.
Best setting
The best setting is when the cable adjustment bolt is
tightened (turned clockwise) until noise occurs without
lever (A) being operated, and then loosened (turned
counterclockwise) 90 - 180 degrees from that point.
Operate lever (A) to change gears, and check that no
noise occurs in any of the gear positions.
One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003
Industrieweg 24, 8071 CT Nunspeet, The Netherlands Phone: +31-341-272222
3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan
* Service Instructions in further languages are available at :
http://techdocs.shimano.com
For the best SIS performance, periodically lubricate
all power-transmission parts.
Please note: specifications are subject to change for improvement without notice. (English)
© Jul. 2009 by Shimano Inc. XBC SZK Printed in Malaysia.
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