Shimano WH-RS81-C50-CL-R Manual

Shimano Ikke kategoriseret WH-RS81-C50-CL-R

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One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003

High Tech Campus 92, 5656 AG Eindhoven, The Netherlands Phone: +31-402-612222 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan

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

UM-3000H-006-00 User's manual

Quick Release

User's manuals in other languages are available at :

http://si.shimano.com

IMPORTANT NOTICE

•Contact the place of purchase or a bicycle dealer for information on installation and

adjustment of the products which are not found in the user's manual. A dealer's

manual for professional and experienced bicycle mechanics is available on our website

(http://si.shimano.com).

•Do not disassemble or alter this product.

For safety, be sure to read this user's manual thoroughly before use,

and follow it for correct use.

Important Safety Information

For replacement information, contact the place of purchase or a bicycle dealer.

WARNING

•This wheel is equipped with a quick release hub to facilitate installation and removal.

Failure to properly install this quick release hub (wheel) onto your bicycle may cause

the wheel to become detached from the bicycle while you are riding and result in

serious bodily injury.

•Use a front fork which is equipped with a wheel retention mechanism.

•BEFORE USE, CAREFULLY READ THE QUICK RELEASE HUB INSTRUCTIONS IN YOUR

OWNER'S MANUAL. If you have any questions, ask your dealer. IMPROPER HUB

INSTALLATION CAN RESULT IN SERIOUS BODILY INJURY.

Quick release lever position on rotor compatible hubs

•Install the quick release through the front wheel so the lever is on the brake rotor

side as shown in Figure

. Swing the lever fully to the CLOSE position and check

that it does not interfere with the rotor. If the lever interferes with the rotor,

re-insert the quick release so its lever is on the side opposite the rotor.

•When the quick release lever is in the CLOSE position, the lever should be in parallel

position with the fork (refer to Figure

) or point toward the back of the bicycle

(refer to Figure

). This is to prevent foreign objects such as tree branches from

getting caught during riding, which can cause the quick release lever to open and

cause the wheel to release unintentionally from the fork.

•If the lever obstructs the fork blade, the lever may not close fully, nor properly

secure the wheel. The wheel may fall off the bicycle during riding and serious injury

may occur as a result.

Quick

release

lever

Rotor

Quick

release

lever

Not OK

Rotor

Lever :

Right side when looking at the

bicycle from the front

Not OK

Lever :

Left side when looking at the bicycle

from the front

Not OK

•After reading the user's manual carefully, keep it in a safe place for later reference.

NOTICE

•Be sure to operate the quick release lever by hand only. Never use any other tool, such

as a hammer, to tighten the quick release lever as this could damage it.

Note

•Products are not guaranteed against natural wear and deterioration from normal use

and aging.

•For maximum performance we highly recommend Shimano lubricants and maintenance

products.

What is a Quick Release?

The lever operates an internal cam that allows the wheels to secure easily and remove

quickly.

Quick Release function

When the quick release lever is brought

to the CLOSE position, the lever nut

moves inward. This force clamps the

wheel to the frame and holds the wheel

securely in place.

CLOSE position

OPEN position

Adjusting nut

Lever nut

Quick release lever

The clamping "force" is adjusted by turning the adjusting nut. When the nut is turned

clockwise, the clamping force increases; when the nut is turned counter-clockwise the

clamping force decreases.

Adjusting nut

Weaker

Stronger

Suitable dimensions of the fork end

Be sure to use only forks of suitable widths.

Front:

Cannot use fork thicknesses less than 5 mm.

Rear:

Cannot use fork thicknesses less than 6 mm.

Operation

The front hub axle is used as an example. The rear axle works in the same way.

How to fasten the quick release hub

1. Move the quick release lever to the OPEN position and set the wheel so it ﬁ rmly

touches the interior of the fork end. (See sketch below)

OPEN position

Not OK

2. Open and close the quick release lever with your right hand while gradually

tightening the adjusting nut clockwise with your left. Continue tightening the nut

until you feel resistance from the lever when it reaches parallel position with the hub

(as indicated by the dotted line in the diagram below).

Adjusting nut

Quick release lever

3. Grip the fork blade with your ﬁ ngers and use the palm of your hand to apply force to

the quick release lever. It should take considerable force against to tighten the lever

completely. The word "CLOSE" inscribed in the lever should face out. The lever should

be in front of, and parallel to the fork blade as shown in the diagram below.

Tightening torque:

5.0 -7.5 N·m {44 -66 in. lbs.}

Fork

Quick

release

lever

CLOSE position

CAUTION

Never fasten a wheel to a frame by rotating the quick

release lever as shown in the diagram on the right.

Simply rotating the lever in a circular motion will not

fasten the wheel to the frame.

Detachment of the wheel as a result of improper hub

installation can result in serious bodily injury.

Note

If the quick release lever can be easily pushed to the CLOSE position, this means the

clamping force is insufﬁ cient. Return the quick release lever to parallel position with the

hub (as shown below) and again turn the adjusting nut clockwise to increase the

clamping force. Push the quick release lever back to the CLOSE position.

Adjusting nut

If the clamping force is adjusted too strong and the quick release lever cannot be pushed

to the CLOSE position, turn the adjusting nut counter-clockwise to reduce the clamping

force. When doing this, do not over loosen the adjust nut. Rotate the adjusting nut 1/8th

of a turn then push the lever to CLOSE position. Repeat this procedure until maximum

clamping force is achieved by hand.

Turn 1/8th of a turn at

a time

Positioning of the quick release lever

For safety, the quick release lever should be in alignment with the bicycle frame when in

the CLOSE position.

Rear Front

Removing the wheel

Move the quick release lever from the CLOSE position to the OPEN position.

Loosen the adjusting nut, and then remove the wheel.

OPEN position

Regular inspections before riding the bicycle

Before riding the bicycle, check the following. If any problems are found with the

following, contact the place of purchase or a bicycle dealer.

WARNING

THINGS TO CHECK BEFORE RIDING

1. Always check your quick release hubs before riding to make sure that the wheels

are correctly installed on the bicycle frame. This is especially important after you

park your bicycle in a public place.

2. Make sure that the quick release levers are pushed fully to the CLOSE position. (The

side of the lever with the inscription "CLOSE" must be facing away from the

bicycle.)

As shown in the diagram, the lever operates by swinging from OPEN to CLOSE

position. It must not be rotated like a nut on a bolt.

OPEN position

CLOSE position

QUICK CHECK

Lift up the bicycle so that the wheel is off the ground. Give the top of the tire a few

sharp downward blows as shown in the diagram. The wheel should not be loose or

come off. This check does not guarantee that the quick release lever has received

adequate tightening torque.

If you are uncertain as to whether the quick release is tightened correctly, repeat the

installation procedure as explained in "How to fasten the quick release hub" of this

service instruction.

If the quick release will not adjust properly, please contact a professional dealer for

advice.

Produkt Specifikationer

Mærke:	Shimano
Kategori:	Ikke kategoriseret
Model:	WH-RS81-C50-CL-R

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