SERVICE INSTRUCTIONS

ST-7S20

BL-TY21

CJ-7S40

Brake Lever

Cassette Joint

SI-61S0C

Rapidfire Lever

Before use‚ read these instructions carefully‚ and follow them for correct use.

Be sure to read these service instructions in conjunction with the service instructions for the Inter-7 hub before use.

CAUTION

Be sure to shift the lever one gear at a time, and reduce the force being applied to the pedals during shifting. If you try to force operation of the shifting lever while the pedals are being turned strongly, your feet may come off the pedals and the bicycle may topple over, which could result in serious injury.

Rapidfire lever operation

Push the top or bottom of the lever body to shift the gears.

Indicator

Pedaling becomes lighter

Indicator moves toward 1

1 2 3 4

7

56

BL-TY21 Brake Lever

Tightening torque:

2.5 – 3 Nm {25 – 30 kgfcm}

Depress

2

3 4 5 6

Screwdriver

Installation of the shifting cable

1.

Set the Rapidfire lever to .

Next, pass the inner cable through the hole at the rear of the

Rapidfire lever.

1

Pass the inner cable through the hole.

Pedaling becomes heavier

Indicator moves toward 7

Lever body

Installation of the lever

Install the lever as shown in the illustration.

ST-7S20 Rapidfire Lever

Attach to the straight section of the handlebars.

1

2 3

7

4 56

22.2 mm

5 mm Allen key

Set to 1

2.

After checking that the end of the outer casing is sitting securely in the cable adjusting bolt of the Rapidfire lever, attach the inner cable fixing bolt unit to the inner cable.

Inner cable fixing bolt unit

Note: Do not use this inner cable fixing bolt unit with

the CJ-4S30 cassette joint.

10 mm (Black)

Inner cable fixing nut

Inner cable fixing washer

Inner cable fixing bolt

Pass the inner cable through the hole.

101 mm

Tightening torque:

2.5 – 3 Nm {25 – 30 kgfcm}

The installation angle can be adjusted to one of two positions to suit the shape of the handlebars. Angle adjustment is carried out by loosening the lever body fixing bolt.

Note:

The clearance between the cable adjusting bolt and the handlebars should be 4 – 6 mm.

The end of the lever operation section should not hit the grip.

Pull the inner cable while attaching the inner cable fixing bolt unit.

Tightening torque:

4 – 6 Nm {40 – 60 kgfcm} t

3.

Bring the cable around to the cassette joint pulley, hold so that the inner cable fixing nut is facing to the outside (toward the fork end), and then slide the flats part of the inner cable fixing washer into the gap in the pulley.

Flats part of inner cable fixing washer

6.

Secure the outer casing to the frame with the outer casing bands.

10 cm

15 cm

10 cm

Outer casing bands

Gap in pulley

Inner cable fixing nut

LOCK

Cassette joint pulley

1.

Adjusting the cassette joint

Set the Rapidfire lever to .

Check to be sure that the red setting lines on the cassette joint bracket and pulley are aligned at this time.

Red setting lines

2

3 4 5 6

Set to 4

4.

Turn the cable 60 counterclockwise and attach it to the hook.

Hook

LOCK

Turn the cable 60

5.

Attach the inner cable to the pulley as shown in the illustration, pass the inner cable through the slit in the cassette joint bracket, and then insert the end of the outer casing securely into the outer casing holder.

Outer casing holder

Slit

1

Pass through the slit.

2

Insert into the outer casing holder.

The red setting lines on the cassette joint are located in two places. Use the one that is easiest to see.

When bicycle is upside down

Should be straight

Cassette joint pulley

LOCK

Cassette joint bracket

When bicycle is standing up

Should be straight

Cassette joint pulley

LOCK

Cassette joint bracket

Inner cable

Pulley

Bracket

If the red setting lines are not aligned, turn the cable adjusting bolt of the Rapidfire lever to align the setting lines. After this, move the Rapidfire lever once more from

to and then back to , and then re-check to be sure that the red setting lines are aligned.

Cable adjusting bolt

2

3 4 5 6

2.

After adjusting the cassette joint, cut off the excess length of inner cable and then install the inner end cap.

Inner end cap

15 – 20 mm

LOCK

These service instructions explain 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.

Please note: Specifications are subject to change for improvement without notice. (English)

These service instructions are printed on recycled paper and can be recycled again.

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

Industrieweg 24 NL-8071 CT Nunspeet‚ Holland Phone 31-3412-72222

3-77 Oimatsucho‚ Sakai‚ Osaka‚ Japan Phone 0722-23-3243

C Jun. 1998 by Shimano Inc. PIT. SZK. Printed in Japan t