Shimano SI-TIREB Operating instructions

Technical Service Instructions SI-TIREB

Installing and removing

tubeless tires

General Safety Information

• The air pressure should be within the range of 200-400kPa {29-58psi}.

• The tires should always be installed and removed by hand. Never use tools such

as tire levers, as they can damage the seal between the tires and the rims and

cause air to leak out from the tires.

• Do not tighten the valve nut too much, otherwise the valve seal may become

warped and air leaks may occur.

CAUTION

• Read these Technical Service Instructions carefully, and keep them in a safe place

for later reference.

Note

• If the tires are difficult to fit, use plan water or soapy water to help them slide

more easily.

• Parts are not guaranteed against natural wear or deterioration resulting from

normal use.

WARNING

Valve nut

1. Installing tubeless tire valves

}Install the valve so that it faces as

shown in the illustration.

When tightening the valve nut, check

that the valve does not turn together

with the valve nut.

2. Installing the tires

}Insert the bead on one side of the tire

as shown in the illustration.

Check that there are no foreign

particles in the tire bead, rim and valve

at this time.

}Insert the bead on the other side of the tire starting from the point opposite the air

valve.

Tire

Rim

Bead

Air valve

It will become more difficult to insert the

bead at the side of the air valve. In such

cases, lift up the bead by hand starting

from the opposite side of the tire, and work

your way around to the location of the air

valve.

Lastly, grip the tire with both

hands as shown in the

illustration and insert the tire

into the rim.

Inflate with air to lock the beads of the

tires into the rim as shown in the

illustration.

After this, deflate the tire and check that

the bead is locked into the rim.

Then re-inflate the tire to the standard air

pressure for use.

If the bead is not locked into the rim, the

bead is separating from the rim when the

tire is deflated.

(Max : 400kPa / 58psi)

4. Notes when using inner tubes

3. Removing the tires

}To remove a tire, deflate the

tire and then push the bead

on one side of the tire into

the gorge of the rim as

shown in the illustration.

Note:

Be sure to only push in the bead on one side of the tire. If you push

the beads in on both sides, the tires will be difficult to remove. If you

push in the beads on both sides, inflate the tire once more to lock the

beads, and then remove the tire by starting the procedure from the

beginning again.

}Remove the bead on one side of the tire starting from the

point closest to the air valve, and then remove the bead on

the other side of the tire.

}Loosen the locking ring of the air valve and remove the air

valve.

}Insert the bead on one side of the tire as shown

in the illustration.

}Liberally moisten the outer edges of the rim and

the tire beads, and place the slightly-inflated

inner tube inside the tire so that it can slide

smoothly.

}Check that the air valve of the inner tube is appropriate for

use with the rim.

}Insert the bead on one side of the tire starting from the side

of the rim opposite the air valve. Be careful not to pinch the

tube at this time. If necessary, use soapy water.

}Inflate the inner tube until the tire locks into place.

}Contact your dealer for the specifications of inner tubes that

can be used.

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, Osaka 590-8577, Japan

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

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