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General Safety Information
WARNING
• Before use, check the wheels to make sure that there are no bent or loose spokes,
dents, scratches or cracks on the rim surface. Do not use the wheel if any of these
problems are found.
• If the quick release mechanism is not used correctly, the wheel may come off the
bicycle and serious injury could result. Read the Service Instructions for the quick
release mechanism thoroughly before use.
• The wheel is designed for cross-country riding. Do not use it for downhill riding,
otherwise the wheel may become bent or otherwise damaged, and accidents may
occur as a result.
• Check that the wheels are fastened securely before riding the bicycle. If the wheels
are loose in any way, they may come off the bicycle and serious injury may result.
• The hollow on the opposite side to the valve hole is an indicator for the amount of
rim wear. If this hollow can no longer be seen, stop using the rim.
If you continue using the rim, it may break, and the bicycle may fall over and an
accident may result.
• Obtain and read the service instructions carefully prior to installing the parts.
Loose, worn or damaged parts may cause the bicycle to fall over and serious injury
may occur as a result. We strongly recommend only using genuine Shimano
replacement parts.
• Specifications are available for dual disc brake and rim brake use, and also for disc
brake use only (no rim brake braking surface). Do not use parts with specifications
for disc brake use only with rim brakes, otherwise the brakes will not operate
correctly.
• Be sure to carefully read the Service Instructions for the disc brakes also.
• Read these Technical Service Instructions carefully, and keep them in a safe place
for later reference.
CAUTION
• The tires should be inflated to a suitable pressure before use.
• Use rim tape which can withstand high pressures, otherwise the tires may suddenly
puncture and come off, and severe injury may result. Furthermore, it is not
recommended that you reuse rim tape after it has been removed from the wheel. If
the tape is reused, the tires may suddenly puncture and come off, and severe
injury may result.
CAUTION
• Use of genuine Shimano spokes and nipples is strongly recommended.
• When using rim brakes, check that there are no pieces of metal or other foreign
objects sticking to the brake shoes before riding the bicycle. If any such items are
present, they may cause damage to the rim when the brakes are applied.
• When using rim brakes, it is not recommended that you use the brake shoes with
the following product names with this product, because severe wearing of the
braking surfaces of the rims may occur.
R55HC, M70T3, M70T2, M65T3, M65T, M55T, M50T
Furthermore, do not use brake shoes for carbon rims or ceramic coated rims either.
Note
• If the wheel becomes stiff and difficult to turn, you should lubricate it with grease.
• Do not apply any oil to the inside of the hub, otherwise the grease will come out.
• We recommend that you ask authorized bicycle dealers to adjust the spoke
tensions if there is any initial play in the spokes and after the first 1,000 km of
riding.
• Spoke protectors are also sold separately. Use the CP-WH13 when using the CS-
M760 (11-32T), and use the CP-WH12 for all other cassette sprockets.
• For maximum performance we highly recommend Shimano lubricants and
maintenance products.
• Reflectors (manufactured by CATEYE) are also sold separately. Please ask your
bicycle dealer for details.
Model number
Specification
RR-550-WUW
CPSC
RR-550-WUA
AS
RR-317-WUA
DIN
• Parts are not guaranteed against natural wear or deterioration resulting from
normal use.
Technical Service Instructions
WH-M505
WH-MT15
In order to realize the best performance, we recommend that the following
combination be used.
Applicable tire size
Largest sprocket
This wheel can be used with 8-gear and 9-gear sprocket sets.
Refer to the Product Technical Information for details on combination with other
parts such as chains and cassette sprockets.
Specifications
Model number
Rim size
Rim width
Applicable brakes
Spoke lacing
Lace the spokes as shown in the illustration.
For front
For rear
Color
White
Amber
Amber
For front
Right side
Left (rotor) side
500 - 900 N
900 - 1500 N
(113 - 202 Ibf)
(202 - 337 Ibf)
* These values should be used as a guide only.
SI-4CH0B-001
Installation of the HG sprockets
For each sprocket, the surface
that has the group mark should
face outward and be positioned
Wheel
so that the wide parts of the
gear projections on each
sprocket and the A part (where
the groove width is wide) of the
freewheel body are aligned.
The groove is
wide at one
Clincher tire
place only.
26 X 1.5 – 2.25
34T
WH-M505 / WH-MT15
26"
25.2 mm
Replacement of the freewheel body
V-BRAKE / Disc brake
Disc brake
After removing the hub axle, remove the freewheel body
For dual V-BRAKE /
For disc brake use only
fixing bolt (inside the freewheel body), and then replace
disc brake use
the freewheel body.
Note
Do not attempt to disassemble the freewheel body,
because it may result in a malfunction.
Installation of the rotor
Spoke tension value
For rear
Right (sprocket) side
Left (rotor) side
900 - 1500 N
500 - 900 N
One Holland, Irvine, California 92618, U.S.A. Phone: +1-949-951-5003
(202 - 337 Ibf)
(113 - 202 Ibf)
Please note: specifications are subject to change for improvement without notice. (English)
© Jan. 2009 by Shimano Inc. XBC IZM Printed in Malaysia.
• For installation of the HG sprockets, use the special tool (TL-LR15) to
tighten the lock ring.
• To replace the HG sprockets, use the special tool (TL-LR15) and
TL-SR21 to remove the lock ring.
Wide part
A
Tightening torque:
30 - 50 N·m
{261 - 434 in. lbs.}
Sprocket spacers
(2.56 mm)
Tightening torque:
35 - 50 N·m {305 - 434 in. lbs.}
Tightening torque:
40 N·m {350 in. lbs.}
Industrieweg 24, 8071 CT Nunspeet, The Netherlands Phone: +31-341-272222
Lock ring
Tool
TL-LR15
(TL-SR21)
Disassembly
Lock ring spacer
Lock ring
Freewheel
Freewheel body
body
fixing bolt
Disassembly
Assembly
Freewheel body
washer
10 mm Allen key (TL-WR37)
Rotor
installation ring
TL-LR15
3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan