DAHON ULTEGRA RD-6500 - TECHNICAL Service Instructions

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SERVICE INSTRUCTIONS

SI-53Z0C

RD-6500

Rear Derailleur

Before use, read these instructions carefully, and follow them

for correct use.

In order to realize the best performance, we

recommend that the following combination be used.

Series

ULTEGRA

Shifting lever

ST-6500 / SL-7700 / SL-BS77

Sprockets

Outer casing

SIS-SP40

Rear derailleur

RD-6500

RD-6500-GS

Type

Front chainwheel

FC-6500

FC-6503

Freehub

FH-6500

Cassette sprocket

CS-6500

Chain

CN-HG92 / CN-7700

Bottom bracket cable guide

SM-SP17

Specifications

Type

Total capacity

29T teeth or less

37T teeth or less

Largest sprocket

28T

Smallest sprocket

11T

Front chainwheel tooth

14T

difference

Note

• For smooth operation, always be sure to use the

specified outer casing and the bottom bracket cable

guide.

• Grease the inner cable and the inside of the outer

casing before use to ensure that they slide properly.

• The tension pulley has a mark which indicates the

direction of rotation. The side with the arrow is the

front side.

• Because the high cable resistance of a frame with

internal cable routing would impair the SIS function,

this type of frame should not be used.

• The end of the outer casing which has the

aluminum cap should be at the

derailleur side.

Derailleur side

Aluminum cap

Plastic cap or 4-mm cap

• For any questions regarding methods of installation,

adjustment, maintenance or operation, please contact

a professional bicycle dealer.

Installation of the rear derailleur

When installing, be careful that deformation is not

caused by the B-tension adjustment screw coming into

contact with the dropout tab.

Bracket spindle tightening torque:

8 - 10 Nm {70 - 86 in. lbs.}

5 mm Allen key

Dropout tab

Chain length

GS type, SS type

Smallest sprocket

Chain

Guide pulley

27T

90°

Tension pulley

11T

Right angle to the ground

22T

Stroke adjustment and cable

securing

1. Top adjustment

Turn the top adjustment screw to adjust so that the

guide pulley is below the outer line of the smallest

sprocket when looking from the rear.

4-mm cap

Guide pulley

2. Connection and securing of

the cable

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.

Tightening torque: 5 - 7 Nm

{44 - 60 in. lbs.}

Note:

B-tension

Be sure that the

adjustment screw

cable is securely

in the groove.

3. Low adjustment

Turn the low adjustment screw so that the guide

pulley moves to a position directly in line with the

largest sprocket.

Largest sprocket

Largest chainring

Guide pulley

4. How to use the B-tension adjustment screw

Mount the chain on the smallest chainring and the

largest sprocket, and turn the crank arm backward.

Then turn the B-tension adjustment screw to adjust

the guide pulley as close to the sprocket as possible

but not so close that it touches. Next, set the chain to

the smallest sprocket and repeat the above to make

sure that the pulley does not touch the sprocket.

Largest sprocket

Outer line of

smallest sprocket

Top adjustment

screw

5. SIS Adjustment

(1)

Pull

Groove

(2)

Low adjustment

screw

For the best SIS performance, periodically lubricate

all power-transmission parts.

Smallest sprocket

B-tension

adjustment

screw

One Holland Irvine CA 92618 U.S.A. Phone 949-951-5003

Industrieweg 24 NL-8071 CT Nunspeet Holland Phone 31-341-272222

77 Oimatsu-cho 3-cho Sakai Osaka 590-8577 Japan Phone 0722-23-3243

Please note: specifications are subject to change for improvement

without notice. (English)

Operate the shifting lever to move the chain from

the top gear to the 2nd gear.

* If the chain will not move to the 2nd gear, turn

the outer casing adjustment barrel to increase the

➀

tension-----

(counter clockwise)

* If the chain moves

past the 2nd gear,

3rd 2nd Top

decrease the

➁

tension---

Outer casing

(clockwise)

adjustment

barrel

➁

➀

Next with the chain on the 2nd gear, increase the

inner cable tension

while turning the crank arm

forward. Stop turning the outer casing adjustment

barrel just before the chain makes noise against

the 3rd gear.

This completes the adjustment.

➀

Counter-clockwise

➁

Clockwise

Outer casing

adjustment barrel

These service instructions are printed on

recycled paper and can be recycled again