Shimano BL-TY21 Service Instructions
Browse online or download pdf Service Instructions for Bicycle Accessories Shimano BL-TY21. Shimano BL-TY21 3 pages. Rapidfire lever. brake lever. cassette joint.
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SERVICE INSTRUCTIONS
ST-7S20
BL-TY21
CJ-7S40
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
Lever body
Installation of the lever
Install the lever as shown in the illustration.
ST-7S20 Rapidfire Lever
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.
SI-61S0C
Rapidfire Lever
Brake Lever
Cassette Joint
Pedaling becomes lighter
Indicator moves toward 1
Pedaling becomes heavier
Indicator moves toward 7
Attach to the straight
section of the handlebars.
22.2 mm
5 mm Allen key
BL-TY21 Brake Lever
Tightening torque:
2.5 – 3 Nm {25 – 30 kgfcm}
Depress
Installation of the shifting cable
1.
1
Set the Rapidfire lever to
Next, pass the inner cable through the hole at the rear of the
Rapidfire lever.
1
Set to
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)
Pass the inner cable through the hole.
101 mm
Pull the inner cable while attaching
the inner cable fixing bolt unit.
Tightening torque:
4 – 6 Nm {40 – 60 kgfcm}
Screwdriver
.
Pass the inner cable
through the hole.
Inner cable fixing nut
Inner cable fixing washer
Inner cable fixing bolt
t